public void Trying_to_mock_null_instance_should_fail_with_descriptive_error_message()
{
Assert.Throws <ArgumentNullException>(
() => RepositoryExtensions.Expect <object>(null, x => x.ToString()));
}
public void Trying_to_mock_null_instance_should_fail_with_descriptive_error_message()
{
Assert.Throws <ArgumentNullException>(
() => RepositoryExtensions.Expect <object>(null, x => x.ToString()));
}