public void MissingMscorlib() { var sourceA = @"public class A { } class B { } class C { }"; var sourceB = @"public class B : A { }"; var assemblyNameA = ExpressionCompilerUtilities.GenerateUniqueName(); var compilationA = CreateCompilation( sourceA, references: new MetadataReference[] { SystemRuntimePP7Ref }, options: TestOptions.DebugDll, assemblyName: assemblyNameA); byte[] exeBytesA; byte[] pdbBytesA; ImmutableArray <MetadataReference> referencesA; compilationA.EmitAndGetReferences(out exeBytesA, out pdbBytesA, out referencesA); var referenceA = AssemblyMetadata.CreateFromImage(exeBytesA).GetReference(display: assemblyNameA); var identityA = referenceA.GetAssemblyIdentity(); var moduleA = referenceA.ToModuleInstance(exeBytesA, new SymReader(pdbBytesA)); var assemblyNameB = ExpressionCompilerUtilities.GenerateUniqueName(); var compilationB = CreateCompilation( sourceB, references: new MetadataReference[] { SystemRuntimePP7Ref, referenceA }, options: TestOptions.DebugDll, assemblyName: assemblyNameB); byte[] exeBytesB; byte[] pdbBytesB; ImmutableArray <MetadataReference> referencesB; compilationB.EmitAndGetReferences(out exeBytesB, out pdbBytesB, out referencesB); var referenceB = AssemblyMetadata.CreateFromImage(exeBytesB).GetReference(display: assemblyNameB); var moduleB = referenceB.ToModuleInstance(exeBytesB, new SymReader(pdbBytesB)); // At runtime System.Runtime.dll contract assembly is replaced // by mscorlib.dll and System.Runtime.dll facade assemblies. var moduleBuilder = ArrayBuilder <ModuleInstance> .GetInstance(); moduleBuilder.Add(MscorlibFacadeRef.ToModuleInstance(null, null)); moduleBuilder.Add(SystemRuntimeFacadeRef.ToModuleInstance(null, null)); moduleBuilder.Add(moduleA); moduleBuilder.Add(moduleB); var modules = moduleBuilder.ToImmutableAndFree(); using (var runtime = new RuntimeInstance(modules)) { ImmutableArray <MetadataBlock> blocks; Guid moduleVersionId; ISymUnmanagedReader symReader; int typeToken; int localSignatureToken; GetContextState(runtime, "C", out blocks, out moduleVersionId, out symReader, out typeToken, out localSignatureToken); string errorMessage; CompilationTestData testData; int attempts = 0; ExpressionCompiler.CreateContextDelegate contextFactory = (b, u) => { attempts++; return(EvaluationContext.CreateTypeContext( ToCompilation(b, u, moduleVersionId), moduleVersionId, typeToken)); }; // Compile: [DebuggerDisplay("{new B()}")] const string expr = "new B()"; ExpressionCompilerTestHelpers.CompileExpressionWithRetry(blocks, expr, contextFactory, getMetaDataBytesPtr: null, errorMessage: out errorMessage, testData: out testData); Assert.Null(errorMessage); Assert.Equal(2, attempts); var methodData = testData.GetMethodData("<>x.<>m0"); methodData.VerifyIL( @"{ // Code size 6 (0x6) .maxstack 1 IL_0000: newobj ""B..ctor()"" IL_0005: ret }"); } }
public void MissingMscorlib() { var sourceA = @"public class A { } class B { } class C { }"; var sourceB = @"public class B : A { }"; var moduleA = CreateCompilation( sourceA, references: new[] { SystemRuntimePP7Ref }, options: TestOptions.DebugDll).ToModuleInstance(); var moduleB = CreateCompilation( sourceB, references: new[] { SystemRuntimePP7Ref, moduleA.GetReference() }, options: TestOptions.DebugDll).ToModuleInstance(); // Include an empty assembly to verify that not all assemblies // with no references are treated as mscorlib. var referenceC = AssemblyMetadata.CreateFromImage(CommonResources.Empty).GetReference(); // At runtime System.Runtime.dll contract assembly is replaced // by mscorlib.dll and System.Runtime.dll facade assemblies. var runtime = CreateRuntimeInstance(new[] { MscorlibFacadeRef.ToModuleInstance(), SystemRuntimeFacadeRef.ToModuleInstance(), moduleA, moduleB, referenceC.ToModuleInstance() }); ImmutableArray <MetadataBlock> blocks; Guid moduleVersionId; ISymUnmanagedReader symReader; int typeToken; int localSignatureToken; GetContextState(runtime, "C", out blocks, out moduleVersionId, out symReader, out typeToken, out localSignatureToken); string errorMessage; CompilationTestData testData; int attempts = 0; EvaluationContextBase contextFactory(ImmutableArray <MetadataBlock> b, bool u) { attempts++; return(EvaluationContext.CreateTypeContext( ToCompilation(b, u, moduleVersionId), moduleVersionId, typeToken)); } // Compile: [DebuggerDisplay("{new B()}")] const string expr = "new B()"; ExpressionCompilerTestHelpers.CompileExpressionWithRetry(blocks, expr, ImmutableArray <Alias> .Empty, contextFactory, getMetaDataBytesPtr: null, errorMessage: out errorMessage, testData: out testData); Assert.Null(errorMessage); Assert.Equal(2, attempts); var methodData = testData.GetMethodData("<>x.<>m0"); methodData.VerifyIL( @"{ // Code size 6 (0x6) .maxstack 1 IL_0000: newobj ""B..ctor()"" IL_0005: ret }"); }