private static void AppendFailReason(StringBuilder description, CallThatShouldThrow call)
{
if (call.Thrown == null)
{
description.Append("did not throw any exception.");
}
else
{
var argumentNullException = call.Thrown as ArgumentNullException;
if (argumentNullException != null)
{
description.Append(CommonExtensions.FormatInvariant("threw ArgumentNullException with wrong argument name, it should be \"{0}\".", call.ArgumentName));
}
else
{
description.Append(CommonExtensions.FormatInvariant("threw unexpected {0}.", call.Thrown.GetType().FullName));
}
}
}
public override void WriteDescriptionTo(MessageWriter writer)
{
writer.WritePredicate(CommonExtensions.FormatInvariant("Calls to {0} should be null guarded.", this.state.ToString()));
}
