public void WHEN_parameter_type_extends_the_view_model_type_SHOULD_return_ExtensionOf_type_of_view_model()
{
// Arrange
var viewModel = new ExtendedViewModel();
// Act
var extendedModel = viewModel.AsExtensionModel <IExtensionViewModel>();
// Assert
extendedModel.Should().NotBeNull();
}
public void WHEN_parameter_type_does_not_extend_the_view_model_type_SHOULD_throw_InvalidOperationException()
{
// Arrange
var viewModel = new ExtendedViewModel();
// Act
var exception =
Assert.Throws <InvalidOperationException>(
() => viewModel.AsExtensionModel <INonExtensionViewModel>());
// Assert
exception.Should().NotBeNull();
}