public void GivenDiscount_WhenTheQuantityIsNegative_IsFailed()
{
// Arrange
var discount = new Discount(Guid.NewGuid(), -1, 10);
var spec = new IsQuantityValidSpec();
// Act
var result = spec.IsSatisfiedBy(discount);
// Assert
Assert.False(result);
}
public void GivenDiscount_WhenTheQuantityIsValid_IsSuccessful()
{
// Arrange
var discount = new Discount(Guid.NewGuid(), 1, 10);
var spec = new IsQuantityValidSpec();
// Act
var result = spec.IsSatisfiedBy(discount);
// Assert
Assert.True(result);
}