Add roundtrip test case for ICSharpCode.Decompiler and pretty tests for Async and YieldReturn

ICSharpCode.Decompiler/Tests/ICSharpCode.Decompiler.Tests.csproj

@@ -127,6 +127,7 @@
     <Compile Include="Loops.cs" />
     <Compile Include="PrettyTestRunner.cs" />
     <Compile Include="RoundtripAssembly.cs" />
+    <Compile Include="TestCases\Pretty\Async.cs" />
     <Compile Include="TestCases\Correctness\CompoundAssignment.cs" />
     <Compile Include="TestCases\Correctness\ConditionalAttr.cs" />
     <Compile Include="TestCases\Correctness\ControlFlow.cs" />
@@ -143,6 +144,7 @@
     <Compile Include="TestCases\Correctness\UnsafeCode.cs" />
     <Compile Include="TestCases\Correctness\ValueTypeCall.cs" />
     <Compile Include="CorrectnessTestRunner.cs" />
+    <Compile Include="TestCases\Pretty\YieldReturn.cs" />
     <Compile Include="TestCases\Pretty\CompoundAssignmentTest.cs" />
     <Compile Include="TestCases\Pretty\ExceptionHandling.cs" />
     <Compile Include="TestCases\Pretty\HelloWorld.cs" />

ICSharpCode.Decompiler/Tests/PrettyTestRunner.cs

@@ -94,6 +94,18 @@ namespace ICSharpCode.Decompiler.Tests
 			Run(cscOptions: cscOptions);
 		}
 
+		[Test, Ignore("Not implemented")]
+		public void Async([ValueSource("defaultOptions")] CompilerOptions cscOptions)
+		{
+			Run(cscOptions: cscOptions);
+		}
+
+		[Test, Ignore("Not implemented")]
+		public void YieldReturn([ValueSource("defaultOptions")] CompilerOptions cscOptions)
+		{
+			Run(cscOptions: cscOptions);
+		}
+
 		void Run([CallerMemberName] string testName = null, AssemblerOptions asmOptions = AssemblerOptions.None, CompilerOptions cscOptions = CompilerOptions.None)
 		{
 			var ilFile = Path.Combine(TestCasePath, testName);

ICSharpCode.Decompiler/Tests/RoundtripAssembly.cs

@@ -45,13 +45,23 @@ namespace ICSharpCode.Decompiler.Tests
 		{
 			RunWithTest("Newtonsoft.Json-net40", "Newtonsoft.Json.dll", "Newtonsoft.Json.Tests.dll");
 		}
-		
+
 		[Test]
 		public void NRefactory_CSharp()
 		{
 			RunWithTest("NRefactory", "ICSharpCode.NRefactory.CSharp.dll", "ICSharpCode.NRefactory.Tests.dll");
 		}
-		
+
+		[Test]
+		public void ICSharpCode_Decompiler()
+		{
+			try {
+				RunWithTest("ICSharpCode.Decompiler", "ICSharpCode.Decompiler.dll", "ICSharpCode.Decompiler.Tests.dll");
+			} catch (CompilationFailedException) {
+				Assert.Ignore("Ignored because yield return is not yet implemented!");
+			}
+		}
+
 		[Test]
 		public void ImplicitConversions()
 		{

ICSharpCode.Decompiler/Tests/TestCases/Pretty/Async.cs

@@ -133,7 +133,27 @@ public class Async
 			Console.WriteLine("Crash");
 		}
 	}
-	
+
+	public async Task AwaitCatch(Task<int> task)
+	{
+		try {
+			Console.WriteLine("Before throw");
+			throw new Exception();
+		} catch {
+			Console.WriteLine(await task);
+		}
+	}
+
+	public async Task AwaitFinally(Task<int> task)
+	{
+		try {
+			Console.WriteLine("Before throw");
+			throw new Exception();
+		} finally {
+			Console.WriteLine(await task);
+		}
+	}
+
 	public async Task<int> NestedAwait(Task<Task<int>> task)
 	{
 		return await(await task);