public void You_cannot_provide_input_for_which_there_is_no_input_attribute(FakeInputOperation <IOperation> operation, object input)
{
Assert.Throws <ArgumentException>(() => operation.ProvideInput(input));
}
public void You_can_provide_input_to_an_operation(FakeInputOperation <object> operation, object input)
{
operation.ProvideInput(input);
Assert.Same(input, operation.ProvidedInput);
}