src/Workspaces/CoreTest/UtilityTest/ExceptionHelpersTests.cs - main - githubmirror/roslyn

src/Workspaces/CoreTest/UtilityTest/ExceptionHelpersTests.cs

69 строк2 KB

Jason Malinowski

Switch code that was using Assert.True/False as a replacement for .Fail

21 апр 2026, 23:28

21 апр 2026, 23:283bf59ba

// 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.

using System;
using System.Text.Json;
using Microsoft.CodeAnalysis.ErrorReporting;
using Roslyn.Test.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.UnitTests;

public sealed class ExceptionHelpersTests : TestBase
{
    /// <summary>
    /// Test that throwing OperationCanceledException does NOT trigger FailFast
    /// </summary>
    [Fact]
    public void TestExecuteWithErrorReportingThrowOperationCanceledException()
    {
        var finallyExecuted = false;

        void a()
        {
            try
            {
                throw new OperationCanceledException();
            }
            finally
            {
                finallyExecuted = true;
            }
        }

        try
        {
            try
            {
                a();
            }
            catch (Exception e) when (FatalError.ReportAndPropagateUnlessCanceled(e))
            {
                throw ExceptionUtilities.Unreachable();
            }

            Assert.Fail("Should not get here because an exception should be thrown before this point.");
        }
        catch (OperationCanceledException)
        {
            Assert.True(finallyExecuted);
            return;
        }

        Assert.Fail("Should have returned in the catch block before this point.");
    }

    [Fact]
    public void ErrorReporting_SerializesException()
    {
        FatalError.SetHandlers(delegate { }, delegate { });

        var e = new Exception("Hello");
        FatalError.ReportNonFatalError(e);

        Assert.NotEmpty(e.Data);
        Assert.NotNull(JsonSerializer.Serialize(e));
        Assert.NotNull(Newtonsoft.Json.JsonConvert.SerializeObject(e));
    }
}