public override void TrackChange(Product p1, Product p2, ref PChange change)
{
baseComparer.Compare(p1, p2, ref change);
if (((AdvancedProduct)p1).CurrentVersion != ((AdvancedProduct)p2).CurrentVersion)
{
change.CurrentVersion = true;
}
}
public override void TrackChange(Product p1, Product p2, ref PChange change)
{
baseComparer.Compare(p1, p2, ref change);
if (p1.CurrentVersion != p2.CurrentVersion)
{
change.CurrentVersion = true;
}
}
public bool Equals(Product p1, Product p2)
{
PChanges newChange = new PChanges();
comparer.Compare(p1, p2, ref newChange);
this.change = newChange;
return(newChange.CurrentVersion || newChange.NameChange);
}
public void CompareShouldThrowArgumentNullExceptionWhenConsumptionLessThanZero()
{
// Arrange
var consumption = -300;
var productComparer = new ProductComparer();
// Act
productComparer.Compare(consumption);
}
public void Compare_Products_ShouldCompareProducts(long consumptionProductLeft,
long consumptionProductRight,
int comparisonResult)
{
// Arrange
var productComparer = new ProductComparer <Product>();
// Act
Product productLeft = Product.Create("pLeft", consumptionProductLeft, new BasicTariffCalculator());
Product productRight = Product.Create("pRight", consumptionProductRight, new BasicTariffCalculator());
// Assert
Assert.Equal(comparisonResult, productComparer.Compare(productLeft, productRight));
}
public static void Main()
{
IComparer <Product> comp = new ProductComparer();
Product book = new Product(name: "C++ Primer", price: 100);
Product book2 = new Product(name: "C++ Primer", price: 10);
Product pc = new Product(name: "Apple PC", price: 10000);
Product hdd = new Product(name: "Seagate 1TB", price: 100);
Product bbc = new Product(name: "BBC", price: 5);
Product[] products = new Product[] { book, book2, pc, hdd, bbc };
Array.Sort(products, comp);
foreach (Product p in products)
{
Console.WriteLine($"{p.Name}:{p.Price}");
}
Product bbc2 = new Product(name: "BBC", price: 5);
Console.WriteLine(comp.Compare(bbc2, bbc));//引用对象地址不同，comp.Compare方法返回比较的属性相同
Product none = null;
Console.WriteLine(comp.Compare(none, bbc) == 0);
Console.ReadKey();
}
public void CompareShouldReturnListWithCorrectOrder()
{
// Arrange
var productComparer = new ProductComparer();
var product1 = new Product(TariffConstants.BasicTariffName);
var product2 = new Product(TariffConstants.PackagedTariffName);
var expectedResult = new List <Product>();
expectedResult.Add(product2);
expectedResult.Add(product1);
// Act
productComparer.Add(product1);
productComparer.Add(product2);
var actualResult = productComparer.Compare(3400).ToList();
// Assert
CollectionAssert.AreEqual(expectedResult, actualResult);
}
