private static IInvocationDescriptor GetInvocationDescriptor(object actual)
{
IInvocationDescriptor invocationDescriptor = actual as IInvocationDescriptor;
if (invocationDescriptor == null)
{
TestDelegate testDelegate = actual as TestDelegate;
if (testDelegate == null)
{
throw new ArgumentException(
String.Format("The actual value must be a TestDelegate or ActualValueDelegate but was {0}", actual.GetType().Name),
"actual");
}
invocationDescriptor = new VoidInvocationDescriptor(testDelegate);
}
return(invocationDescriptor);
}
internal static Exception Intercept(object invocation)
{
IInvocationDescriptor invocationDescriptor = GetInvocationDescriptor(invocation);
#if NET_4_5
if (AsyncInvocationRegion.IsAsyncOperation(invocationDescriptor.Delegate))
{
using (AsyncInvocationRegion region = AsyncInvocationRegion.Create(invocationDescriptor.Delegate))
{
object result = invocationDescriptor.Invoke();
try
{
region.WaitForPendingOperationsToComplete(result);
return(null);
}
catch (Exception ex)
{
return(ex);
}
}
}
else
#endif
{
try
{
invocationDescriptor.Invoke();
return(null);
}
catch (Exception ex)
{
return(ex);
}
}
}
