ILSpy/ILSpy.Tests/MainWindow/MainMenuIconTests.cs

// Copyright (c) 2026 AlphaSierraPapa for the SharpDevelop Team
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using System;
using System.Linq;

using Avalonia.Controls;
using Avalonia.Headless.NUnit;

using AwesomeAssertions;

using ICSharpCode.ILSpy.Properties;

using ICSharpCode.ILSpy.AppEnv;
using ICSharpCode.ILSpy.Views;

using NUnit.Framework;

namespace ICSharpCode.ILSpy.Tests;

[TestFixture]
public class MainMenuIconTests
{
	[AvaloniaTest]
	public void A_Menu_Item_Declaring_MenuIcon_Metadata_Gets_Its_Icon_Rasterised()
	{
		var window = AppComposition.Current.GetExport<MainWindow>();
		window.Show();
		var nativeMenu = NativeMenu.GetMenu(window)
			?? throw new InvalidOperationException("MainMenu.Attach should have set NativeMenu on the window");

		var fileMenu = nativeMenu.Items.OfType<NativeMenuItem>()
			.Single(m => string.Equals(m.Header, Resources._File, StringComparison.Ordinal));
		var openItem = fileMenu.Menu!.Items.OfType<NativeMenuItem>()
			.Single(m => string.Equals(m.Header, Resources._Open, StringComparison.Ordinal));

		openItem.Icon.Should().NotBeNull(
			"File > Open declares MenuIcon=\"Images/Open\" in its [ExportMainMenuCommand]; the menu builder "
			+ "must rasterise that into NativeMenuItem.Icon.");
	}
}