// 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 Microsoft.CodeAnalysis.Shared.Extensions;
using Xunit;
 
namespace Microsoft.CodeAnalysis.UnitTests.Extensions;
 
public sealed class TelemetryExtensionTests
{
    [Fact]
    public void TestConstantTelemetryId()
    {
        var expected = Guid.Parse("00000000-0000-0000-54ad-749900000000");
        var actual = typeof(TelemetryExtensionTests).GetTelemetryId();
        var actualBytes = actual.ToByteArray();
 
        // If the assertion fails then telemetry ids could be changing
        // making them hard to track. It's important to not regress
        // the ability to track telemetry across versions of Roslyn.
        Assert.Equal(expected, new Guid(actualBytes));
    }
}