src/VisualStudio/ExternalAccess/Test/FSharp/FSharpSignatureHelpTriggerReasonTests.cs - main - githubmirror/roslyn

src/VisualStudio/ExternalAccess/Test/FSharp/FSharpSignatureHelpTriggerReasonTests.cs

60 строк2 KB

Joey Robichaud

Consolidate ExternalAccess libraries (#81593)

07 июл 2026, 23:16

07 июл 2026, 23:1697ee762

// 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;
using System.Collections.Generic;
using Microsoft.CodeAnalysis.ExternalAccess.FSharp.Internal.SignatureHelp;
using Microsoft.CodeAnalysis.ExternalAccess.FSharp.SignatureHelp;
using Microsoft.CodeAnalysis.SignatureHelp;
using Xunit;

namespace Microsoft.CodeAnalysis.ExternalAccess.FSharp.UnitTests;

public class FSharpSignatureHelpTriggerReasonTests
{
    public static IEnumerable<object[]> enumValues()
    {
        foreach (var number in Enum.GetValues(typeof(SignatureHelpTriggerReason)))
        {
            yield return new object[] { number };
        }
    }

    internal static FSharpSignatureHelpTriggerReason GetExpectedTriggerReason(SignatureHelpTriggerReason triggerReason)
    {
        switch (triggerReason)
        {
            case SignatureHelpTriggerReason.InvokeSignatureHelpCommand:
                {
                    return FSharpSignatureHelpTriggerReason.InvokeSignatureHelpCommand;
                }

            case SignatureHelpTriggerReason.RetriggerCommand:
                {
                    return FSharpSignatureHelpTriggerReason.RetriggerCommand;
                }

            case SignatureHelpTriggerReason.TypeCharCommand:
                {
                    return FSharpSignatureHelpTriggerReason.TypeCharCommand;
                }

            default:
                {
                    throw ExceptionUtilities.UnexpectedValue(triggerReason);
                }
        }
    }

    [Theory]
    [MemberData(nameof(enumValues))]
    internal void MapsCorrectly(SignatureHelpTriggerReason triggerReason)
    {
        var actual = FSharpSignatureHelpTriggerReasonHelpers.ConvertFrom(triggerReason);
        var expected = GetExpectedTriggerReason(triggerReason);
        Assert.Equal(expected, actual);
    }
}