src/Workspaces/CSharpTest/Formatting/FormattingTreeEditTests.cs - main - githubmirror/roslyn

src/Workspaces/CSharpTest/Formatting/FormattingTreeEditTests.cs
69 строк2 KB
Cyrus Najmabadi
Use raw strings in tests
09 июл 2025, 08:52
09 июл 2025, 08:52f265dce
// 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 System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Formatting;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Editing;
using Microsoft.CodeAnalysis.Formatting;
using Microsoft.CodeAnalysis.Text;
using Xunit;

namespace Microsoft.CodeAnalysis.CSharp.UnitTests.Formatting;

public sealed class FormattingTreeEditTests : CSharpFormattingTestBase
{
    private static Document GetDocument(string code)
    {
        var ws = new AdhocWorkspace();
        var project = ws.AddProject("project", LanguageNames.CSharp);
        return project.AddDocument("code", SourceText.From(code));
    }

    [Fact]
    public async Task SpaceAfterAttribute()
    {
        var code = """
            public class C
            {
                void M(int? p) { }
            }
            """;
        var document = GetDocument(code);
        var g = SyntaxGenerator.GetGenerator(document);
        var root = await document.GetSyntaxRootAsync();
        var attr = g.Attribute("MyAttr");
        var options = CSharpSyntaxFormattingOptions.Default;

        var param = root.DescendantNodes().OfType<ParameterSyntax>().First();
        var root1 = root.ReplaceNode(param, g.AddAttributes(param, g.Attribute("MyAttr")));

        var result1 = Formatter.Format(root1, document.Project.Solution.Services, options, CancellationToken.None);

        Assert.Equal("""
            public class C
            {
                void M([MyAttr] int? p) { }
            }
            """, result1.ToFullString());

        // verify change doesn't affect how attributes appear before other kinds of declarations
        var method = root.DescendantNodes().OfType<MethodDeclarationSyntax>().First();

        var root2 = root.ReplaceNode(method, g.AddAttributes(method, g.Attribute("MyAttr")));
        var result2 = Formatter.Format(root2, document.Project.Solution.Services, options, CancellationToken.None);

        Assert.Equal("""
            public class C
            {
                [MyAttr]
                void M(int? p) { }
            }
            """, result2.ToFullString());
    }
}