ILSpy/ILSpy.Tests.Windows/OpenFromGacDialogTests.cs

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using System.Linq;

using AwesomeAssertions;

using ICSharpCode.Decompiler.Metadata;

using NUnit.Framework;

namespace ICSharpCode.ILSpy.Tests.Windows;

/// <summary>
/// Smoke test for the Windows-conditional GAC enumeration path used by
/// <c>ILSpy.Views.OpenFromGacDialog</c>. The shared
/// <see cref="UniversalAssemblyResolver.EnumerateGac"/> only returns entries when run
/// on Windows with a populated GAC; this test validates the project plumbing more than
/// the GAC contents — i.e. the call returns without throwing and the project compiles
/// against Windows-only BCL APIs.
/// </summary>
[TestFixture]
public class OpenFromGacDialogTests
{
	[Test]
	public void EnumerateGac_Returns_Without_Throwing_On_Windows()
	{
		// On a developer machine with .NET 4.x installed, this should also return a non-empty
		// result. On a stripped CI runner the result may be empty; the test only asserts that
		// the enumeration completes — that's enough to catch a regression where the call
		// throws (e.g. registry permission change, native-method signature drift).
		var result = UniversalAssemblyResolver.EnumerateGac().ToList();
		result.Should().NotBeNull();
	}
}