public void Constructor_NullCostCalculator_Throws()
{
var stubDecoratee = Substitute.For <ICommandService <TranslateSubtitlesFileToNewFile> >();
ISubtitlesFileCostCalculator nullCalculator = null;
var stubConfirmationService = Substitute.For <IUserConfirmationService>();
Assert.Throws <ArgumentNullException>(
() => new TranslationCostConfirmationDecorator(
stubDecoratee, nullCalculator, stubConfirmationService));
}
public TranslationCostConfirmationDecorator(
ICommandService <TranslateSubtitlesFileToNewFile> decoratee,
ISubtitlesFileCostCalculator costCalculator,
IUserConfirmationService confirmationService)
{
if (decoratee == null)
{
throw new ArgumentNullException(nameof(decoratee));
}
if (costCalculator == null)
{
throw new ArgumentNullException(nameof(decoratee));
}
if (confirmationService == null)
{
throw new ArgumentNullException(nameof(confirmationService));
}
this.decoratee = decoratee;
this.costCalculator = costCalculator;
this.confirmationService = confirmationService;
}