ILSpy/ICSharpCode.Decompiler.Tests/DisassemblerPrettyTestRunner.cs

// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
// 
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// 
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// substantial portions of the Software.
// 
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

using ICSharpCode.Decompiler.Tests.Helpers;

using NUnit.Framework;

namespace ICSharpCode.Decompiler.Tests
{
	[TestFixture, Parallelizable(ParallelScope.All)]
	public class DisassemblerPrettyTestRunner
	{
		static readonly string TestCasePath = Tester.TestCasePath + "/Disassembler/Pretty";

		[Test]
		public void AllFilesHaveTests()
		{
			var testNames = typeof(DisassemblerPrettyTestRunner).GetMethods()
				.Where(m => m.GetCustomAttributes(typeof(TestAttribute), false).Any())
				.Select(m => m.Name)
				.ToArray();
			foreach (var file in new DirectoryInfo(TestCasePath).EnumerateFiles())
			{
				if (file.Extension.Equals(".il", StringComparison.OrdinalIgnoreCase))
				{
					var testName = file.Name.Split('.')[0];
					Assert.Contains(testName, testNames);
				}
			}
		}

		[Test]
		public async Task SecurityDeclarations()
		{
			await Run();
		}

		[Test]
		public async Task SortMembers()
		{
			await Run(ilExpectedFile: Path.Combine(TestCasePath, "SortMembers.expected.il"), asmOptions: AssemblerOptions.SortedOutput);
		}

		async Task Run([CallerMemberName] string testName = null, string ilExpectedFile = null, AssemblerOptions asmOptions = AssemblerOptions.None)
		{
			var ilInputFile = Path.Combine(TestCasePath, testName + ".il");
			ilExpectedFile ??= ilInputFile;
			var ilResultFile = Path.Combine(TestCasePath, testName + ".result.il");

			var executable = await Tester.AssembleIL(ilInputFile, AssemblerOptions.Library).ConfigureAwait(false);
			var disassembled = await Tester.Disassemble(executable, ilResultFile, AssemblerOptions.UseOwnDisassembler | asmOptions).ConfigureAwait(false);

			CodeAssert.FilesAreEqual(ilExpectedFile, disassembled);
		}
	}
}