private static void CreateFaultInjectionTypeLibs(MockTypeLibrariesFailurePoints failurePoint, out MockTypeLib mainTypeLib,
out MockTypeLib dependencyTypeLibGood1, out MockTypeLib dependencyTypeLibBad1,
out MockTypeLib dependencyTypeLibGood2, out MockTypeLib dependencyTypeLibBad2)
{
mainTypeLib = new MockTypeLib();
mainTypeLib.AddTypeInfo(new MockTypeInfo());
mainTypeLib.AddTypeInfo(new MockTypeInfo());
dependencyTypeLibGood1 = new MockTypeLib();
dependencyTypeLibGood1.AddTypeInfo(new MockTypeInfo());
// Make it the StdOle lib to exercise the ITypeInfo.GetDocumentation failure point
dependencyTypeLibBad1 = new MockTypeLib(NativeMethods.IID_StdOle);
dependencyTypeLibBad1.AddTypeInfo(new MockTypeInfo());
dependencyTypeLibGood2 = new MockTypeLib();
dependencyTypeLibGood2.AddTypeInfo(new MockTypeInfo());
// Make it the StdOle lib to exercise the ITypeInfo.GetDocumentation failure point
dependencyTypeLibBad2 = new MockTypeLib(NativeMethods.IID_StdOle);
dependencyTypeLibBad2.AddTypeInfo(new MockTypeInfo());
COMException failureException = new COMException("unhandled exception in " + failurePoint.ToString());
dependencyTypeLibBad1.InjectFailure(failurePoint, failureException);
dependencyTypeLibBad2.InjectFailure(failurePoint, failureException);
}
public void FaultInjectionMainLib()
{
// The primary test here is that we don't throw, which can't be explicitly expressed in NUnit...
// other asserts are secondary
foreach (MockTypeLibrariesFailurePoints failurePoint in Enum.GetValues(typeof(MockTypeLibrariesFailurePoints)))
{
MockTypeLib mainTypeLib = new MockTypeLib();
mainTypeLib.AddTypeInfo(new MockTypeInfo());
// Make it the StdOle lib to exercise the ITypeInfo.GetDocumentation failure point
MockTypeLib dependencyTypeLib = new MockTypeLib(NativeMethods.IID_StdOle);
dependencyTypeLib.AddTypeInfo(new MockTypeInfo());
COMException failureException = new COMException("unhandled exception in " + failurePoint.ToString());
mainTypeLib.InjectFailure(failurePoint, failureException);
dependencyTypeLib.InjectFailure(failurePoint, failureException);
mainTypeLib.ContainedTypeInfos[0].ImplementsInterface(dependencyTypeLib.ContainedTypeInfos[0]);
mainTypeLib.ContainedTypeInfos[0].DefinesVariable(dependencyTypeLib.ContainedTypeInfos[0]);
mainTypeLib.ContainedTypeInfos[0].DefinesFunction(
new MockTypeInfo[] { dependencyTypeLib.ContainedTypeInfos[0] }, dependencyTypeLib.ContainedTypeInfos[0]);
ComDependencyWalker walker = new ComDependencyWalker(new MarshalReleaseComObject(MockReleaseComObject));
walker.AnalyzeTypeLibrary(mainTypeLib);
Assert.Single(walker.EncounteredProblems); // "Test failed for failure point " + failurePoint.ToString()
Assert.Equal(failureException, walker.EncounteredProblems[0]); // "Test failed for failure point " + failurePoint.ToString()
mainTypeLib.AssertAllHandlesReleased();
dependencyTypeLib.AssertAllHandlesReleased();
}
}
