src/EditorFeatures/CSharpTest/Debugging/ProximityExpressionsGetterTests.Lines.cs - main - githubmirror/roslyn

src/EditorFeatures/CSharpTest/Debugging/ProximityExpressionsGetterTests.Lines.cs
3 959 строк163 KB
Cyrus Najmabadi
Make sealed
26 мар 2025, 22:21
26 мар 2025, 22:21d99b771
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

#nullable disable

using Microsoft.CodeAnalysis.CSharp.Debugging;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.CSharp.UnitTests.Debugging;

[Trait(Traits.Feature, Traits.Features.DebuggingProximityExpressions)]
public sealed partial class ProximityExpressionsGetterTests
{
    [Fact]
    public void TestAtStartOfLine_1()
    {
        //// using System.Collections.Generic;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 0, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_2()
    {
        //// using System.Collections.Generic;
        //// using Roslyn.Compilers.CSharp;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 35, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_3()
    {
        //// using Roslyn.Compilers.CSharp;
        //// using Roslyn.Services.CSharp.Utilities;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 67, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_4()
    {
        //// using Roslyn.Services.CSharp.Utilities;
        //// using Roslyn.Services.Extensions;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 108, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_5()
    {
        //// using Roslyn.Services.Extensions;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 152, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_6()
    {
        //// 
        //// namespace Roslyn.Services.CSharp.Debugging
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 154, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_7()
    {
        //// namespace Roslyn.Services.CSharp.Debugging
        //// {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 198, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_8()
    {
        //// {
        ////     internal partial class ProximityExpressionsGetter
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 201, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_9()
    {
        ////     internal partial class ProximityExpressionsGetter
        ////     {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 256, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_10()
    {
        ////     {
        ////         private static string ConvertToString(ExpressionSyntax expression)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 263, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_11()
    {
        ////         private static string ConvertToString(ExpressionSyntax expression)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 339, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_12()
    {
        ////         {
        ////             // TODO(cyrusn): Should we strip out comments?
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 350, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_13()
    {
        ////             // TODO(cyrusn): Should we strip out comments?
        ////             return expression.GetFullText();
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 410, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_14()
    {
        ////             return expression.GetFullText();
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 456, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_15()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 467, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_16()
    {
        //// 
        ////         private static void CollectExpressionTerms(int position, ExpressionSyntax expression, List<string> terms)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 469, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_17()
    {
        ////         private static void CollectExpressionTerms(int position, ExpressionSyntax expression, List<string> terms)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 584, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_18()
    {
        ////         {
        ////             // Check here rather than at all the call sites...
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 595, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "position", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_19()
    {
        ////             // Check here rather than at all the call sites...
        ////             if (expression == null)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 659, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "position", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_20()
    {
        ////             if (expression == null)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 696, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_21()
    {
        ////             {
        ////                 return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 711, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_22()
    {
        ////                 return;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 736, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_23()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 751, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "expression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_24()
    {
        //// 
        ////             // Collect terms from this expression, which returns flags indicating the validity
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 753, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "expression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_25()
    {
        ////             // Collect terms from this expression, which returns flags indicating the validity
        ////             // of this expression as a whole.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 849, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "expression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_26()
    {
        ////             // of this expression as a whole.
        ////             var expressionType = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 896, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "expression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_27()
    {
        ////             var expressionType = ExpressionType.Invalid;
        ////             CollectExpressionTerms(position, expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 954, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectExpressionTerms", "ExpressionType", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_28()
    {
        ////             CollectExpressionTerms(position, expression, terms, ref expressionType);
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1040, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "expression", "terms", "expressionType", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_29()
    {
        //// 
        ////             if ((expressionType & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1042, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "expression", "terms", "expressionType", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_30()
    {
        ////             if ((expressionType & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1132, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_31()
    {
        ////             {
        ////                 // If this expression identified itself as a valid term, add it to the
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1147, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expressionType", "terms", "expression", "ConvertToString", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_32()
    {
        ////                 // If this expression identified itself as a valid term, add it to the
        ////                 // term table
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1235, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expressionType", "terms", "expression", "ConvertToString", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_33()
    {
        ////                 // term table
        ////                 terms.Add(ConvertToString(expression));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1266, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expressionType", "terms", "expression", "ConvertToString", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_34()
    {
        ////                 terms.Add(ConvertToString(expression));
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1323, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_35()
    {
        ////             }
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1338, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidTerm", "terms", "expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_36()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1349, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_37()
    {
        //// 
        ////         private static void CollectExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1351, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_38()
    {
        ////         private static void CollectExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1502, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_39()
    {
        ////         {
        ////             // Check here rather than at all the call sites...
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1513, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "position", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_40()
    {
        ////             // Check here rather than at all the call sites...
        ////             if (expression == null)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1577, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "position", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_41()
    {
        ////             if (expression == null)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1614, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_42()
    {
        ////             {
        ////                 return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1629, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_43()
    {
        ////                 return;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1654, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_44()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1669, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_45()
    {
        //// 
        ////             switch (expression.Kind)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1671, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_46()
    {
        ////             switch (expression.Kind)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1709, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_47()
    {
        ////             {
        ////                 case SyntaxKind.ThisExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1724, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_48()
    {
        ////                 case SyntaxKind.ThisExpression:
        ////                 case SyntaxKind.BaseExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1773, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_49()
    {
        ////                 case SyntaxKind.BaseExpression:
        ////                     // an op term is ok if it's a "this" or "base" op it allows us to see
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1822, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_50()
    {
        ////                     // an op term is ok if it's a "this" or "base" op it allows us to see
        ////                     // "this.goo" in the autos window note: it's not a VALIDTERM since we don't
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 1913, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_51()
    {
        ////                     // "this.goo" in the autos window note: it's not a VALIDTERM since we don't
        ////                     // want "this" showing up in the auto's window twice.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2010, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_52()
    {
        ////                     // want "this" showing up in the auto's window twice.
        ////                     expressionType = ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2085, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_53()
    {
        ////                     expressionType = ExpressionType.ValidExpression;
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2155, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_54()
    {
        ////                     return;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2184, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_55()
    {
        //// 
        ////                 case SyntaxKind.IdentifierName:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2186, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_56()
    {
        ////                 case SyntaxKind.IdentifierName:
        ////                     // Name nodes are always valid terms
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2235, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidTerm", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_57()
    {
        ////                     // Name nodes are always valid terms
        ////                     expressionType = ExpressionType.ValidTerm;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2293, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidTerm", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_58()
    {
        ////                     expressionType = ExpressionType.ValidTerm;
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2357, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_59()
    {
        ////                     return;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2386, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_60()
    {
        //// 
        ////                 case SyntaxKind.CharacterLiteralExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2388, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_61()
    {
        ////                 case SyntaxKind.CharacterLiteralExpression:
        ////                 case SyntaxKind.FalseLiteralExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2449, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_62()
    {
        ////                 case SyntaxKind.FalseLiteralExpression:
        ////                 case SyntaxKind.NullLiteralExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2506, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_63()
    {
        ////                 case SyntaxKind.NullLiteralExpression:
        ////                 case SyntaxKind.NumericLiteralExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2562, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_64()
    {
        ////                 case SyntaxKind.NumericLiteralExpression:
        ////                 case SyntaxKind.StringLiteralExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2621, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_65()
    {
        ////                 case SyntaxKind.StringLiteralExpression:
        ////                 case SyntaxKind.TrueLiteralExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2679, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_66()
    {
        ////                 case SyntaxKind.TrueLiteralExpression:
        ////                     // Constants can make up a valid term, but we don't consider them valid
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2735, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_67()
    {
        ////                     // Constants can make up a valid term, but we don't consider them valid
        ////                     // terms themselves (since we don't want them to show up in the autos window
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2828, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_68()
    {
        ////                     // terms themselves (since we don't want them to show up in the autos window
        ////                     // on their own).
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2926, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_69()
    {
        ////                     // on their own).
        ////                     expressionType = ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 2965, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_70()
    {
        ////                     expressionType = ExpressionType.ValidExpression;
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3035, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_71()
    {
        ////                     return;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3064, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_72()
    {
        //// 
        ////                 case SyntaxKind.CastExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3066, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_73()
    {
        ////                 case SyntaxKind.CastExpression:
        ////                     // For a cast, just add the nested expression.  Note: this is technically
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3115, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "terms", "expressionType", "CollectExpressionTerms", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_74()
    {
        ////                     // For a cast, just add the nested expression.  Note: this is technically
        ////                     // unsafe as the cast *may* have side effects.  However, in practice this is
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3210, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "terms", "expressionType", "CollectExpressionTerms", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_75()
    {
        ////                     // unsafe as the cast *may* have side effects.  However, in practice this is
        ////                     // extremely rare, so we allow for this since it's ok in the common case.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3308, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "terms", "expressionType", "CollectExpressionTerms", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_76()
    {
        ////                     // extremely rare, so we allow for this since it's ok in the common case.
        ////                     CollectExpressionTerms(position, ((CastExpressionSyntax)expression).Expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3403, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "terms", "expressionType", "CollectExpressionTerms", "expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_77()
    {
        ////                     CollectExpressionTerms(position, ((CastExpressionSyntax)expression).Expression, terms, ref expressionType);
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3532, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_78()
    {
        ////                     return;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3561, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_79()
    {
        //// 
        ////                 case SyntaxKind.MemberAccessExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3563, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_80()
    {
        ////                 case SyntaxKind.MemberAccessExpression:
        ////                 case SyntaxKind.PointerMemberAccessExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3620, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_81()
    {
        ////                 case SyntaxKind.PointerMemberAccessExpression:
        ////                     CollectMemberAccessExpressionTerms(position, expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3684, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectMemberAccessExpressionTerms", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_82()
    {
        ////                     CollectMemberAccessExpressionTerms(position, expression, terms, ref expressionType);
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3790, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectMemberAccessExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_83()
    {
        ////                     return;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3819, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_84()
    {
        //// 
        ////                 case SyntaxKind.ObjectCreationExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3821, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_85()
    {
        ////                 case SyntaxKind.ObjectCreationExpression:
        ////                     CollectObjectCreationExpressionTerms(position, expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3880, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectObjectCreationExpressionTerms", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_86()
    {
        ////                     CollectObjectCreationExpressionTerms(position, expression, terms, ref expressionType);
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 3988, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectObjectCreationExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_87()
    {
        ////                     return;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4017, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_88()
    {
        //// 
        ////                 case SyntaxKind.ArrayCreationExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4019, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_89()
    {
        ////                 case SyntaxKind.ArrayCreationExpression:
        ////                     CollectArrayCreationExpressionTerms(position, expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4077, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectArrayCreationExpressionTerms", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_90()
    {
        ////                     CollectArrayCreationExpressionTerms(position, expression, terms, ref expressionType);
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4184, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectArrayCreationExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_91()
    {
        ////                     return;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4213, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_92()
    {
        //// 
        ////                 case SyntaxKind.InvocationExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4215, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_93()
    {
        ////                 case SyntaxKind.InvocationExpression:
        ////                     CollectInvocationExpressionTerms(position, expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4270, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectInvocationExpressionTerms", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_94()
    {
        ////                     CollectInvocationExpressionTerms(position, expression, terms, ref expressionType);
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4374, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectInvocationExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_95()
    {
        ////                     return;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4403, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_96()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4418, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PrefixUnaryExpressionSyntax", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_97()
    {
        //// 
        ////             // +, -, ++, --, !, etc.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4420, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PrefixUnaryExpressionSyntax", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_98()
    {
        ////             // +, -, ++, --, !, etc.
        ////             //
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4458, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PrefixUnaryExpressionSyntax", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_99()
    {
        ////             //
        ////             // This is a valid expression if it doesn't have obvious side effects (i.e. ++, --)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4474, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PrefixUnaryExpressionSyntax", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_100()
    {
        ////             // This is a valid expression if it doesn't have obvious side effects (i.e. ++, --)
        ////             if (expression is PrefixUnaryExpressionSyntax)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4571, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PrefixUnaryExpressionSyntax", "expression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_101()
    {
        ////             if (expression is PrefixUnaryExpressionSyntax)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4631, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PrefixUnaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_102()
    {
        ////             {
        ////                 CollectPrefixUnaryExpressionTerms(position, expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4646, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectPrefixUnaryExpressionTerms", "PrefixUnaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_103()
    {
        ////                 CollectPrefixUnaryExpressionTerms(position, expression, terms, ref expressionType);
        ////                 return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4747, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectPrefixUnaryExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_104()
    {
        ////                 return;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4772, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_105()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4787, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PostfixUnaryExpressionSyntax", "PrefixUnaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_106()
    {
        //// 
        ////             if (expression is PostfixUnaryExpressionSyntax)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4789, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PostfixUnaryExpressionSyntax", "PrefixUnaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_107()
    {
        ////             if (expression is PostfixUnaryExpressionSyntax)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4850, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "PostfixUnaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_108()
    {
        ////             {
        ////                 CollectPostfixUnaryExpressionTerms(position, expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4865, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectPostfixUnaryExpressionTerms", "PostfixUnaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_109()
    {
        ////                 CollectPostfixUnaryExpressionTerms(position, expression, terms, ref expressionType);
        ////                 return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4967, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectPostfixUnaryExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_110()
    {
        ////                 return;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 4992, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_111()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5007, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "BinaryExpressionSyntax", "PostfixUnaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_112()
    {
        //// 
        ////             if (expression is BinaryExpressionSyntax)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5009, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "BinaryExpressionSyntax", "PostfixUnaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_113()
    {
        ////             if (expression is BinaryExpressionSyntax)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5064, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "BinaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_114()
    {
        ////             {
        ////                 CollectBinaryExpressionTerms(position, expression, terms, ref expressionType);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5079, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectBinaryExpressionTerms", "BinaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_115()
    {
        ////                 CollectBinaryExpressionTerms(position, expression, terms, ref expressionType);
        ////                 return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5175, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType", "CollectBinaryExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_116()
    {
        ////                 return;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5200, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_117()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5215, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "expression", "BinaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_118()
    {
        //// 
        ////             expressionType = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5217, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "expression", "BinaryExpressionSyntax"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_119()
    {
        ////             expressionType = ExpressionType.Invalid;
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5271, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_120()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5282, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_121()
    {
        //// 
        ////         private static void CollectMemberAccessExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5284, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_122()
    {
        ////         private static void CollectMemberAccessExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5447, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_123()
    {
        ////         {
        ////             var flags = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5458, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "flags", "position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_124()
    {
        ////             var flags = ExpressionType.Invalid;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5507, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(MemberAccessExpressionSyntax)expression", "flags", "ExpressionType", "ExpressionType.Invalid", "memberAccess"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_125()
    {
        //// 
        ////             // These operators always have a RHS of a name node, which we know would
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5509, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(MemberAccessExpressionSyntax)expression", "flags", "ExpressionType", "ExpressionType.Invalid", "memberAccess"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_126()
    {
        ////             // These operators always have a RHS of a name node, which we know would
        ////             // "claim" to be a valid term, but is not valid without the LHS present.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5595, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(MemberAccessExpressionSyntax)expression", "flags", "ExpressionType", "ExpressionType.Invalid", "memberAccess"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_127()
    {
        ////             // "claim" to be a valid term, but is not valid without the LHS present.
        ////             // So, we don't bother collecting anything from the RHS...
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5681, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(MemberAccessExpressionSyntax)expression", "flags", "ExpressionType", "ExpressionType.Invalid", "memberAccess"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_128()
    {
        ////             // So, we don't bother collecting anything from the RHS...
        ////             var memberAccess = (MemberAccessExpressionSyntax)expression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5753, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(MemberAccessExpressionSyntax)expression", "flags", "ExpressionType", "ExpressionType.Invalid", "memberAccess"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_129()
    {
        ////             var memberAccess = (MemberAccessExpressionSyntax)expression;
        ////             CollectExpressionTerms(position, memberAccess.Expression, terms, ref flags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5827, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "memberAccess", "memberAccess.Expression", "terms", "flags", "CollectExpressionTerms", "expression", "(MemberAccessExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_130()
    {
        ////             CollectExpressionTerms(position, memberAccess.Expression, terms, ref flags);
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5917, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "position", "memberAccess", "memberAccess.Expression", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_131()
    {
        //// 
        ////             // If the LHS says it's a valid term, then we add it ONLY if our PARENT
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 5919, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "position", "memberAccess", "memberAccess.Expression", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_132()
    {
        ////             // If the LHS says it's a valid term, then we add it ONLY if our PARENT
        ////             // is NOT another dot/arrow.  This allows the expression 'a.b.c.d' to
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6004, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "position", "memberAccess", "memberAccess.Expression", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_133()
    {
        ////             // is NOT another dot/arrow.  This allows the expression 'a.b.c.d' to
        ////             // add both 'a.b.c.d' and 'a.b.c', but not 'a.b' and 'a'.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6087, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "position", "memberAccess", "memberAccess.Expression", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_134()
    {
        ////             // add both 'a.b.c.d' and 'a.b.c', but not 'a.b' and 'a'.
        ////             if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm &&
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6158, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "position", "memberAccess", "memberAccess.Expression", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_135()
    {
        ////             if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm &&
        ////                 !expression.IsParentKind(SyntaxKind.MemberAccessExpression) &&
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6241, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "position", "memberAccess", "memberAccess.Expression", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_136()
    {
        ////                 !expression.IsParentKind(SyntaxKind.MemberAccessExpression) &&
        ////                 !expression.IsParentKind(SyntaxKind.PointerMemberAccessExpression))
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6321, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "position", "memberAccess", "memberAccess.Expression", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_137()
    {
        ////                 !expression.IsParentKind(SyntaxKind.PointerMemberAccessExpression))
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6406, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_138()
    {
        ////             {
        ////                 terms.Add(ConvertToString(memberAccess.Expression));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6421, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "memberAccess", "memberAccess.Expression", "ConvertToString", "ExpressionType", "flags", "ExpressionType.ValidTerm", "expression", "SyntaxKind", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_139()
    {
        ////                 terms.Add(ConvertToString(memberAccess.Expression));
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6491, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "memberAccess", "memberAccess.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_140()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6506, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression", "ExpressionType.ValidTerm", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "terms", "memberAccess", "memberAccess.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_141()
    {
        //// 
        ////             // And this expression itself is a valid term if the LHS is a valid
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6508, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression", "ExpressionType.ValidTerm", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "terms", "memberAccess", "memberAccess.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_142()
    {
        ////             // And this expression itself is a valid term if the LHS is a valid
        ////             // expression, and its PARENT is not an invocation.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6589, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression", "ExpressionType.ValidTerm", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "terms", "memberAccess", "memberAccess.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_143()
    {
        ////             // expression, and its PARENT is not an invocation.
        ////             if ((flags & ExpressionType.ValidExpression) == ExpressionType.ValidExpression &&
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6654, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression", "ExpressionType.ValidTerm", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "terms", "memberAccess", "memberAccess.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_144()
    {
        ////             if ((flags & ExpressionType.ValidExpression) == ExpressionType.ValidExpression &&
        ////                 !expression.IsParentKind(SyntaxKind.InvocationExpression))
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6749, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression", "ExpressionType.ValidTerm", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "terms", "memberAccess", "memberAccess.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_145()
    {
        ////                 !expression.IsParentKind(SyntaxKind.InvocationExpression))
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6825, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_146()
    {
        ////             {
        ////                 expressionType = ExpressionType.ValidTerm;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6840, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "expressionType", "ExpressionType.ValidTerm", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_147()
    {
        ////                 expressionType = ExpressionType.ValidTerm;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6900, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_148()
    {
        ////             }
        ////             else
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6915, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression", "ExpressionType.ValidTerm", "SyntaxKind.MemberAccessExpression", "SyntaxKind.PointerMemberAccessExpression", "terms", "memberAccess", "memberAccess.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_149()
    {
        ////             else
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6933, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_150()
    {
        ////             {
        ////                 expressionType = ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 6948, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "flags", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_151()
    {
        ////                 expressionType = ExpressionType.ValidExpression;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7014, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_152()
    {
        ////             }
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7029, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expression", "SyntaxKind", "SyntaxKind.InvocationExpression", "expressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_153()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7040, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_154()
    {
        //// 
        ////         private static void CollectObjectCreationExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7042, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_155()
    {
        ////         private static void CollectObjectCreationExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7207, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_156()
    {
        ////         {
        ////             // Object creation can *definitely* cause side effects.  So we initially
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7218, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_157()
    {
        ////             // Object creation can *definitely* cause side effects.  So we initially
        ////             // mark this as something invalid.  We allow it as a valid expr if all
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7304, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_158()
    {
        ////             // mark this as something invalid.  We allow it as a valid expr if all
        ////             // the sub arguments are valid terms.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7388, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_159()
    {
        ////             // the sub arguments are valid terms.
        ////             expressionType = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7439, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_160()
    {
        ////             expressionType = ExpressionType.Invalid;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7493, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(ObjectCreationExpressionSyntax)expression", "ExpressionType", "expressionType", "ExpressionType.Invalid", "objectionCreation"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_161()
    {
        //// 
        ////             var objectionCreation = (ObjectCreationExpressionSyntax)expression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7495, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(ObjectCreationExpressionSyntax)expression", "ExpressionType", "expressionType", "ExpressionType.Invalid", "objectionCreation"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_162()
    {
        ////             var objectionCreation = (ObjectCreationExpressionSyntax)expression;
        ////             if (objectionCreation.ArgumentListOpt != null)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7576, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["objectionCreation", "objectionCreation.ArgumentListOpt", "expression", "(ObjectCreationExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_163()
    {
        ////             if (objectionCreation.ArgumentListOpt != null)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7636, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["objectionCreation", "objectionCreation.ArgumentListOpt"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_164()
    {
        ////             {
        ////                 var flags = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7651, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "objectionCreation", "objectionCreation.ArgumentListOpt", "flags"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_165()
    {
        ////                 var flags = ExpressionType.Invalid;
        ////                 CollectArgumentTerms(position, objectionCreation.ArgumentList, terms, ref flags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7704, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "objectionCreation", "objectionCreation.ArgumentListOpt", "terms", "flags", "CollectArgumentTerms", "ExpressionType", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_166()
    {
        ////                 CollectArgumentTerms(position, objectionCreation.ArgumentList, terms, ref flags);
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7806, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "objectionCreation", "objectionCreation.ArgumentListOpt", "terms", "flags", "CollectArgumentTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_167()
    {
        //// 
        ////                 // If all arguments are terms, then this is possibly a valid expr
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7808, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "objectionCreation", "objectionCreation.ArgumentListOpt", "terms", "flags", "CollectArgumentTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_168()
    {
        ////                 // If all arguments are terms, then this is possibly a valid expr
        ////                 // that can be used somewhere higher in the stack.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7891, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "objectionCreation", "objectionCreation.ArgumentListOpt", "terms", "flags", "CollectArgumentTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_169()
    {
        ////                 // that can be used somewhere higher in the stack.
        ////                 if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 7959, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "objectionCreation", "objectionCreation.ArgumentListOpt", "terms", "flags", "CollectArgumentTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_170()
    {
        ////                 if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        ////                 {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8044, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_171()
    {
        ////                 {
        ////                     expressionType = ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8063, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "flags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_172()
    {
        ////                     expressionType = ExpressionType.ValidExpression;
        ////                 }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8133, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_173()
    {
        ////                 }
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8152, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "expressionType", "ExpressionType.ValidExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_174()
    {
        ////             }
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8167, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["objectionCreation", "objectionCreation.ArgumentListOpt", "ExpressionType", "expressionType", "ExpressionType.ValidExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_175()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8178, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_176()
    {
        //// 
        ////         private static void CollectArrayCreationExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8180, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_177()
    {
        ////         private static void CollectArrayCreationExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8344, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_178()
    {
        ////         {
        ////             var validTerm = true;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8355, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["validTerm", "position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_179()
    {
        ////             var validTerm = true;
        ////             var arrayCreation = (ArrayCreationExpressionSyntax)expression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8390, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(ArrayCreationExpressionSyntax)expression", "validTerm", "arrayCreation"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_180()
    {
        ////             var arrayCreation = (ArrayCreationExpressionSyntax)expression;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8466, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arrayCreation", "arrayCreation.InitializerOpt", "expression", "(ArrayCreationExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_181()
    {
        //// 
        ////             if (arrayCreation.InitializerOpt != null)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8468, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arrayCreation", "arrayCreation.InitializerOpt", "expression", "(ArrayCreationExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_182()
    {
        ////             if (arrayCreation.InitializerOpt != null)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8523, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arrayCreation", "arrayCreation.InitializerOpt"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_183()
    {
        ////             {
        ////                 var flags = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8538, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "arrayCreation", "arrayCreation.InitializerOpt", "flags"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_184()
    {
        ////                 var flags = ExpressionType.Invalid;
        ////                 arrayCreation.Initializer.Expressions.Do(e => CollectExpressionTerms(position, e, terms, ref flags));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8591, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arrayCreation.InitializerOpt.Expressions", "flags", "ExpressionType", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_185()
    {
        ////                 arrayCreation.Initializer.Expressions.Do(e => CollectExpressionTerms(position, e, terms, ref flags));
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8713, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "validTerm", "arrayCreation.InitializerOpt.Expressions"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_186()
    {
        //// 
        ////                 validTerm &= (flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8715, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "validTerm", "arrayCreation.InitializerOpt.Expressions"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_187()
    {
        ////                 validTerm &= (flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8809, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm", "validTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_188()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8824, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["validTerm", "arrayCreation", "arrayCreation.InitializerOpt", "ExpressionType", "flags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_189()
    {
        //// 
        ////             if (validTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8826, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["validTerm", "arrayCreation", "arrayCreation.InitializerOpt", "ExpressionType", "flags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_190()
    {
        ////             if (validTerm)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8854, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["validTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_191()
    {
        ////             {
        ////                 expressionType = ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8869, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression", "validTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_192()
    {
        ////                 expressionType = ExpressionType.ValidExpression;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8935, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.ValidExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_193()
    {
        ////             }
        ////             else
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8950, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["validTerm", "arrayCreation", "arrayCreation.InitializerOpt", "ExpressionType", "flags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_194()
    {
        ////             else
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8968, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["validTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_195()
    {
        ////             {
        ////                 expressionType = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 8983, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "validTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_196()
    {
        ////                 expressionType = ExpressionType.Invalid;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9041, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_197()
    {
        ////             }
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9056, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["validTerm", "ExpressionType", "expressionType", "ExpressionType.ValidExpression", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_198()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9067, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_199()
    {
        //// 
        ////         private static void CollectInvocationExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9069, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_200()
    {
        ////         private static void CollectInvocationExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9230, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_201()
    {
        ////         {
        ////             // Invocations definitely have side effects.  So we assume this
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9241, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_202()
    {
        ////             // Invocations definitely have side effects.  So we assume this
        ////             // is invalid initially
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9318, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_203()
    {
        ////             // is invalid initially
        ////             expressionType = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9355, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_204()
    {
        ////             expressionType = ExpressionType.Invalid;
        ////             ExpressionType leftFlags = ExpressionType.Invalid, rightFlags = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9409, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "expressionType", "leftFlags", "rightFlags"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_205()
    {
        ////             ExpressionType leftFlags = ExpressionType.Invalid, rightFlags = ExpressionType.Invalid;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9510, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(InvocationExpressionSyntax)expression", "leftFlags", "ExpressionType", "ExpressionType.Invalid", "rightFlags", "invocation"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_206()
    {
        //// 
        ////             var invocation = (InvocationExpressionSyntax)expression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9512, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(InvocationExpressionSyntax)expression", "leftFlags", "ExpressionType", "ExpressionType.Invalid", "rightFlags", "invocation"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_207()
    {
        ////             var invocation = (InvocationExpressionSyntax)expression;
        ////             CollectExpressionTerms(position, invocation.Expression, terms, ref leftFlags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9582, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "invocation", "invocation.Expression", "terms", "leftFlags", "CollectExpressionTerms", "expression", "(InvocationExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_208()
    {
        ////             CollectExpressionTerms(position, invocation.Expression, terms, ref leftFlags);
        ////             CollectArgumentTerms(position, invocation.ArgumentList, terms, ref rightFlags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9674, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "invocation", "invocation.ArgumentList", "terms", "rightFlags", "CollectArgumentTerms", "invocation.Expression", "leftFlags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_209()
    {
        ////             CollectArgumentTerms(position, invocation.ArgumentList, terms, ref rightFlags);
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9767, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "leftFlags", "ExpressionType.ValidTerm", "position", "invocation", "invocation.ArgumentList", "terms", "rightFlags", "CollectArgumentTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_210()
    {
        //// 
        ////             if ((leftFlags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9769, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "leftFlags", "ExpressionType.ValidTerm", "position", "invocation", "invocation.ArgumentList", "terms", "rightFlags", "CollectArgumentTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_211()
    {
        ////             if ((leftFlags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9854, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "leftFlags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_212()
    {
        ////             {
        ////                 terms.Add(ConvertToString(invocation.Expression));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9869, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "invocation", "invocation.Expression", "ConvertToString", "ExpressionType", "leftFlags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_213()
    {
        ////                 terms.Add(ConvertToString(invocation.Expression));
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9937, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "invocation", "invocation.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_214()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9952, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "leftFlags", "rightFlags", "ExpressionType.ValidExpression", "expressionType", "ExpressionType.ValidTerm", "terms", "invocation", "invocation.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_215()
    {
        //// 
        ////             // We're valid if both children are...
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 9954, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "rightFlags", "ExpressionType", "ExpressionType.ValidExpression", "expressionType", "ExpressionType.ValidTerm", "terms", "invocation", "invocation.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_216()
    {
        ////             // We're valid if both children are...
        ////             expressionType = (leftFlags & rightFlags) & ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10006, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "rightFlags", "ExpressionType", "ExpressionType.ValidExpression", "expressionType", "ExpressionType.ValidTerm", "terms", "invocation", "invocation.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_217()
    {
        ////             expressionType = (leftFlags & rightFlags) & ExpressionType.ValidExpression;
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10095, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "rightFlags", "ExpressionType", "ExpressionType.ValidExpression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_218()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10106, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_219()
    {
        //// 
        ////         private static void CollectPrefixUnaryExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10108, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_220()
    {
        ////         private static void CollectPrefixUnaryExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10270, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_221()
    {
        ////         {
        ////             expressionType = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10281, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_222()
    {
        ////             expressionType = ExpressionType.Invalid;
        ////             var flags = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10335, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "expressionType", "flags"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_223()
    {
        ////             var flags = ExpressionType.Invalid;
        ////             var prefixUnaryExpression = (PrefixUnaryExpressionSyntax)expression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10384, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(PrefixUnaryExpressionSyntax)expression", "flags", "ExpressionType", "ExpressionType.Invalid", "prefixUnaryExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_224()
    {
        ////             var prefixUnaryExpression = (PrefixUnaryExpressionSyntax)expression;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10466, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms", "expression", "(PrefixUnaryExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_225()
    {
        //// 
        ////             // Ask our subexpression for terms
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10468, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms", "expression", "(PrefixUnaryExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_226()
    {
        ////             // Ask our subexpression for terms
        ////             CollectExpressionTerms(position, prefixUnaryExpression.Operand, terms, ref flags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10516, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms", "expression", "(PrefixUnaryExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_227()
    {
        ////             CollectExpressionTerms(position, prefixUnaryExpression.Operand, terms, ref flags);
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10612, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_228()
    {
        //// 
        ////             // Is our expression a valid term?
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10614, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_229()
    {
        ////             // Is our expression a valid term?
        ////             if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10662, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_230()
    {
        ////             if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10743, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_231()
    {
        ////             {
        ////                 terms.Add(ConvertToString(prefixUnaryExpression.Operand));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10758, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "terms", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "ConvertToString", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_232()
    {
        ////                 terms.Add(ConvertToString(prefixUnaryExpression.Operand));
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10834, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_233()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10849, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "expression", "SyntaxKind", "SyntaxKind.LogicalNotExpression", "SyntaxKind.BitwiseNotExpression", "SyntaxKind.NegateExpression", "SyntaxKind.PlusExpression", "ExpressionType", "ExpressionType.ValidTerm", "terms", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_234()
    {
        //// 
        ////             if (expression.MatchesKind(SyntaxKind.LogicalNotExpression, SyntaxKind.BitwiseNotExpression, SyntaxKind.NegateExpression, SyntaxKind.PlusExpression))
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 10851, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "expression", "SyntaxKind", "SyntaxKind.LogicalNotExpression", "SyntaxKind.BitwiseNotExpression", "SyntaxKind.NegateExpression", "SyntaxKind.PlusExpression", "ExpressionType", "ExpressionType.ValidTerm", "terms", "prefixUnaryExpression", "prefixUnaryExpression.Operand", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_235()
    {
        ////             if (expression.MatchesKind(SyntaxKind.LogicalNotExpression, SyntaxKind.BitwiseNotExpression, SyntaxKind.NegateExpression, SyntaxKind.PlusExpression))
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11014, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "SyntaxKind", "SyntaxKind.LogicalNotExpression", "SyntaxKind.BitwiseNotExpression", "SyntaxKind.NegateExpression", "SyntaxKind.PlusExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_236()
    {
        ////             {
        ////                 // We're a valid expression if our subexpression is...
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11029, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expressionType", "expression", "SyntaxKind", "SyntaxKind.LogicalNotExpression", "SyntaxKind.BitwiseNotExpression", "SyntaxKind.NegateExpression", "SyntaxKind.PlusExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_237()
    {
        ////                 // We're a valid expression if our subexpression is...
        ////                 expressionType = flags & ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11101, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expressionType", "expression", "SyntaxKind", "SyntaxKind.LogicalNotExpression", "SyntaxKind.BitwiseNotExpression", "SyntaxKind.NegateExpression", "SyntaxKind.PlusExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_238()
    {
        ////                 expressionType = flags & ExpressionType.ValidExpression;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11175, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidExpression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_239()
    {
        ////             }
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11190, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "SyntaxKind", "SyntaxKind.LogicalNotExpression", "SyntaxKind.BitwiseNotExpression", "SyntaxKind.NegateExpression", "SyntaxKind.PlusExpression", "ExpressionType", "flags", "ExpressionType.ValidExpression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_240()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11201, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_241()
    {
        //// 
        ////         private static void CollectPostfixUnaryExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11203, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_242()
    {
        ////         private static void CollectPostfixUnaryExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11366, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_243()
    {
        ////         {
        ////             // ++ and -- are the only postfix operators.  Since they always have side
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11377, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_244()
    {
        ////             // ++ and -- are the only postfix operators.  Since they always have side
        ////             // effects, we never consider this an expression.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11464, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_245()
    {
        ////             // effects, we never consider this an expression.
        ////             expressionType = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11527, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "position", "expression", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_246()
    {
        ////             expressionType = ExpressionType.Invalid;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11581, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "expressionType", "flags"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_247()
    {
        //// 
        ////             var flags = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11583, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "expressionType", "flags"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_248()
    {
        ////             var flags = ExpressionType.Invalid;
        ////             var postfixUnaryExpression = (PostfixUnaryExpressionSyntax)expression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11632, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(PostfixUnaryExpressionSyntax)expression", "flags", "ExpressionType", "ExpressionType.Invalid", "postfixUnaryExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_249()
    {
        ////             var postfixUnaryExpression = (PostfixUnaryExpressionSyntax)expression;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11716, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms", "expression", "(PostfixUnaryExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_250()
    {
        //// 
        ////             // Ask our subexpression for terms
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11718, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms", "expression", "(PostfixUnaryExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_251()
    {
        ////             // Ask our subexpression for terms
        ////             CollectExpressionTerms(position, postfixUnaryExpression.Operand, terms, ref flags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11766, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms", "expression", "(PostfixUnaryExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_252()
    {
        ////             CollectExpressionTerms(position, postfixUnaryExpression.Operand, terms, ref flags);
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11863, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_253()
    {
        //// 
        ////             // Is our expression a valid term?
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11865, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_254()
    {
        ////             // Is our expression a valid term?
        ////             if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11913, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "terms", "flags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_255()
    {
        ////             if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 11994, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "flags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_256()
    {
        ////             {
        ////                 terms.Add(ConvertToString(postfixUnaryExpression.Operand));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12009, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "terms", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "ConvertToString", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_257()
    {
        ////                 terms.Add(ConvertToString(postfixUnaryExpression.Operand));
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12086, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_258()
    {
        ////             }
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12101, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "ExpressionType.ValidTerm", "terms", "postfixUnaryExpression", "postfixUnaryExpression.Operand", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_259()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12112, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_260()
    {
        //// 
        ////         private static void CollectBinaryExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12114, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_261()
    {
        ////         private static void CollectBinaryExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12271, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_262()
    {
        ////         {
        ////             ExpressionType leftFlags = ExpressionType.Invalid, rightFlags = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12282, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "leftFlags", "rightFlags", "position", "expression", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_263()
    {
        ////             ExpressionType leftFlags = ExpressionType.Invalid, rightFlags = ExpressionType.Invalid;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12383, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(BinaryExpressionSyntax)expression", "leftFlags", "ExpressionType", "ExpressionType.Invalid", "rightFlags", "binaryExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_264()
    {
        //// 
        ////             var binaryExpression = (BinaryExpressionSyntax)expression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12385, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["expression", "(BinaryExpressionSyntax)expression", "leftFlags", "ExpressionType", "ExpressionType.Invalid", "rightFlags", "binaryExpression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_265()
    {
        ////             var binaryExpression = (BinaryExpressionSyntax)expression;
        ////             CollectExpressionTerms(position, binaryExpression.Left, terms, ref leftFlags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12457, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "binaryExpression", "binaryExpression.Left", "terms", "leftFlags", "CollectExpressionTerms", "expression", "(BinaryExpressionSyntax)expression"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_266()
    {
        ////             CollectExpressionTerms(position, binaryExpression.Left, terms, ref leftFlags);
        ////             CollectExpressionTerms(position, binaryExpression.Right, terms, ref rightFlags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12549, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "binaryExpression", "binaryExpression.Right", "terms", "rightFlags", "CollectExpressionTerms", "binaryExpression.Left", "leftFlags"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_267()
    {
        ////             CollectExpressionTerms(position, binaryExpression.Right, terms, ref rightFlags);
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12643, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "leftFlags", "ExpressionType.ValidTerm", "position", "binaryExpression", "binaryExpression.Right", "terms", "rightFlags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_268()
    {
        //// 
        ////             if ((leftFlags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12645, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "leftFlags", "ExpressionType.ValidTerm", "position", "binaryExpression", "binaryExpression.Right", "terms", "rightFlags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_269()
    {
        ////             if ((leftFlags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12730, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "leftFlags", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_270()
    {
        ////             {
        ////                 terms.Add(ConvertToString(binaryExpression.Left));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12745, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "terms", "binaryExpression", "binaryExpression.Left", "ConvertToString", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_271()
    {
        ////                 terms.Add(ConvertToString(binaryExpression.Left));
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12813, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "binaryExpression", "binaryExpression.Left", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_272()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12828, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "rightFlags", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression", "binaryExpression.Left", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_273()
    {
        //// 
        ////             if ((rightFlags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12830, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "rightFlags", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression", "binaryExpression.Left", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_274()
    {
        ////             if ((rightFlags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12916, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_275()
    {
        ////             {
        ////                 terms.Add(ConvertToString(binaryExpression.Right));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 12931, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "terms", "binaryExpression", "binaryExpression.Right", "ConvertToString", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_276()
    {
        ////                 terms.Add(ConvertToString(binaryExpression.Right));
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13000, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "binaryExpression", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_277()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13015, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_278()
    {
        //// 
        ////             // Many sorts of binops (like +=) will definitely have side effects.  We only
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13017, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_279()
    {
        ////             // Many sorts of binops (like +=) will definitely have side effects.  We only
        ////             // consider this valid if it's a simple expression like +, -, etc.
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13108, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_280()
    {
        ////             // consider this valid if it's a simple expression like +, -, etc.
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13188, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_281()
    {
        //// 
        ////             switch (binaryExpression.Kind)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13190, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_282()
    {
        ////             switch (binaryExpression.Kind)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13234, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_283()
    {
        ////             {
        ////                 case SyntaxKind.AddExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13249, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_284()
    {
        ////                 case SyntaxKind.AddExpression:
        ////                 case SyntaxKind.SubtractExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 13297, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    // Tests 285-302 removed because they were redundant.
    [Fact]
    public void TestAtStartOfLine_303()
    {
        ////                 case SyntaxKind.AsExpression:
        ////                 case SyntaxKind.CoalesceExpression:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14319, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_304()
    {
        ////                 case SyntaxKind.CoalesceExpression:
        ////                     // We're valid if both children are...
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14372, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "rightFlags", "ExpressionType", "ExpressionType.ValidExpression", "expressionType", "binaryExpression", "binaryExpression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_305()
    {
        ////                     // We're valid if both children are...
        ////                     expressionType = (leftFlags & rightFlags) & ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14432, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "rightFlags", "ExpressionType", "ExpressionType.ValidExpression", "expressionType", "binaryExpression", "binaryExpression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_306()
    {
        ////                     expressionType = (leftFlags & rightFlags) & ExpressionType.ValidExpression;
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14529, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["leftFlags", "rightFlags", "ExpressionType", "ExpressionType.ValidExpression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_307()
    {
        ////                     return;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14558, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_308()
    {
        //// 
        ////                 default:
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14560, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_309()
    {
        ////                 default:
        ////                     expressionType = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14586, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid", "binaryExpression", "binaryExpression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_310()
    {
        ////                     expressionType = ExpressionType.Invalid;
        ////                     return;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14648, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "expressionType", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_311()
    {
        ////                     return;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14677, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["rightFlags", "binaryExpression", "binaryExpression.Kind", "ExpressionType", "ExpressionType.ValidTerm", "terms", "binaryExpression.Right", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_312()
    {
        ////             }
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14692, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["binaryExpression", "binaryExpression.Kind"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_313()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14703, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_314()
    {
        //// 
        ////         private static void CollectArgumentTerms(int position, ArgumentListSyntax argumentList, IList<string> terms, ref ExpressionType expressionType)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14705, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_315()
    {
        ////         private static void CollectArgumentTerms(int position, ArgumentListSyntax argumentList, IList<string> terms, ref ExpressionType expressionType)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14858, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "argumentList", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_316()
    {
        ////         {
        ////             var validExpr = true;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14869, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["validExpr", "position", "argumentList", "terms", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_317()
    {
        ////             var validExpr = true;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14904, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arg", "argumentList", "argumentList.Arguments", "validExpr"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_318()
    {
        //// 
        ////             // Process the list of expressions.  This is probably a list of
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14906, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arg", "argumentList", "argumentList.Arguments", "validExpr"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_319()
    {
        ////             // Process the list of expressions.  This is probably a list of
        ////             // arguments to a function call(or a list of array index expressions)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 14983, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arg", "argumentList", "argumentList.Arguments", "validExpr"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_320()
    {
        ////             // arguments to a function call(or a list of array index expressions)
        ////             foreach (var arg in argumentList.Arguments)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15066, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arg", "argumentList", "argumentList.Arguments", "validExpr"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_321()
    {
        ////             foreach (var arg in argumentList.Arguments)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15123, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["arg", "argumentList", "argumentList.Arguments"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_322()
    {
        ////             {
        ////                 var flags = ExpressionType.Invalid;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15138, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.Invalid", "arg", "argumentList", "argumentList.Arguments", "flags"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_323()
    {
        ////                 var flags = ExpressionType.Invalid;
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15191, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "arg", "arg.Expression", "terms", "flags", "CollectExpressionTerms", "ExpressionType", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_324()
    {
        //// 
        ////                 CollectExpressionTerms(position, arg.Expression, terms, ref flags);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15193, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "arg", "arg.Expression", "terms", "flags", "CollectExpressionTerms", "ExpressionType", "ExpressionType.Invalid"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_325()
    {
        ////                 CollectExpressionTerms(position, arg.Expression, terms, ref flags);
        ////                 if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15278, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "ExpressionType.ValidTerm", "position", "arg", "arg.Expression", "terms", "flags", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_326()
    {
        ////                 if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm)
        ////                 {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15363, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_327()
    {
        ////                 {
        ////                     terms.Add(ConvertToString(arg.Expression));
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15382, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "terms", "arg", "arg.Expression", "ConvertToString", "ExpressionType", "ExpressionType.ValidTerm"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_328()
    {
        ////                     terms.Add(ConvertToString(arg.Expression));
        ////                 }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15447, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["terms", "arg", "arg.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_329()
    {
        ////                 }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15466, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "ExpressionType.ValidExpression", "validExpr", "ExpressionType.ValidTerm", "terms", "arg", "arg.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_330()
    {
        //// 
        ////                 validExpr &= (flags & ExpressionType.ValidExpression) == ExpressionType.ValidExpression;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15468, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "ExpressionType.ValidExpression", "validExpr", "ExpressionType.ValidTerm", "terms", "arg", "arg.Expression", "ConvertToString"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_331()
    {
        ////                 validExpr &= (flags & ExpressionType.ValidExpression) == ExpressionType.ValidExpression;
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15574, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "ExpressionType.ValidExpression", "validExpr"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_332()
    {
        ////             }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15589, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "validExpr", "ExpressionType.ValidExpression", "expressionType", "arg", "argumentList", "argumentList.Arguments"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_333()
    {
        //// 
        ////             // We're never a valid term, but we're a valid expression if all
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15591, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "validExpr", "ExpressionType.ValidExpression", "expressionType", "arg", "argumentList", "argumentList.Arguments"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_334()
    {
        ////             // We're never a valid term, but we're a valid expression if all
        ////             // the list elements are...
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15669, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "validExpr", "ExpressionType.ValidExpression", "expressionType", "arg", "argumentList", "argumentList.Arguments"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_335()
    {
        ////             // the list elements are...
        ////             expressionType = validExpr ? ExpressionType.ValidExpression : 0;
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15710, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["flags", "ExpressionType", "validExpr", "ExpressionType.ValidExpression", "expressionType", "arg", "argumentList", "argumentList.Arguments"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_336()
    {
        ////             expressionType = validExpr ? ExpressionType.ValidExpression : 0;
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15788, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["ExpressionType", "validExpr", "ExpressionType.ValidExpression", "expressionType"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_337()
    {
        ////         }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15799, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_338()
    {
        //// 
        ////         private static void CollectVariableTerms(int position, SeparatedSyntaxList<VariableDeclaratorSyntax> declarators, List<string> terms)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15801, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_339()
    {
        ////         private static void CollectVariableTerms(int position, SeparatedSyntaxList<VariableDeclaratorSyntax> declarators, List<string> terms)
        ////         {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15944, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "declarators", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_340()
    {
        ////         {
        ////             foreach (var declarator in declarators)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 15955, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["declarator", "declarators", "position", "terms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_341()
    {
        ////             foreach (var declarator in declarators)
        ////             {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16008, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["declarator", "declarators"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_342()
    {
        ////             {
        ////                 if (declarator.InitializerOpt != null)
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16023, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["declarator", "declarator.InitializerOpt", "declarators"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_343()
    {
        ////                 if (declarator.InitializerOpt != null)
        ////                 {
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16079, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["declarator", "declarator.InitializerOpt"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_344()
    {
        ////                 {
        ////                     CollectExpressionTerms(position, declarator.Initializer.Value, terms);
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16098, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "declarator.InitializerOpt", "declarator.InitializerOpt.Value", "terms", "CollectExpressionTerms", "declarator"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_345()
    {
        ////                     CollectExpressionTerms(position, declarator.Initializer.Value, terms);
        ////                 }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16193, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["position", "declarator.InitializerOpt", "declarator.InitializerOpt.Value", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_346()
    {
        ////                 }
        ////             }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16212, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["declarator", "declarator.InitializerOpt", "position", "declarator.InitializerOpt.Value", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_347()
    {
        ////             }
        ////         }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16227, cancellationToken: default);
        Assert.NotNull(terms);
        AssertEx.SetEqual(["declarator", "declarators", "position", "declarator.InitializerOpt", "declarator.InitializerOpt.Value", "terms", "CollectExpressionTerms"], terms);
    }

    [Fact]
    public void TestAtStartOfLine_348()
    {
        ////         }
        ////     }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16238, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_349()
    {
        ////     }
        //// }
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16245, cancellationToken: default);
        Assert.Null(terms);
    }

    [Fact]
    public void TestAtStartOfLine_350()
    {
        //// }
        //// 
        //// ^
        var tree = GetTree();
        var terms = CSharpProximityExpressionsService.GetProximityExpressions(tree, 16248, cancellationToken: default);
        Assert.Null(terms);
    }
}