public void Compare_Returns0_IfBothArguementAreEqual()
{
PriceComparerDescending comparer = new PriceComparerDescending();
Price p1 = new Price(1);
Price p2 = new Price(1);
int result = comparer.Compare(p1, p2);
Assert.True(result == 0, "Result should be greater than 0");
}
public void Compare_ReturnsNegative_IfSecondArguementIsLarger()
{
PriceComparerDescending comparer = new PriceComparerDescending();
Price p1 = new Price(2);
Price p2 = new Price(1);
int result = comparer.Compare(p1, p2);
Assert.True(result < 0, "Result should be less than 0");
}
public void Compare_ReturnsPositive_IfSecondArguementIsSmaller()
{
PriceComparerDescending comparer = new PriceComparerDescending();
Price p1 = new Price(1);
Price p2 = new Price(2);
int result = comparer.Compare(p1, p2);
Assert.True(result > 0, "Result should be greater than 0");
}
public void SortedDictionarySortsDescendingQuantityTrackingPriceLevel()
{
PriceComparerDescending comparer = new PriceComparerDescending();
SortedDictionary <Price, QuantityTrackingPriceLevel> sortedDictionary = new SortedDictionary <Price, QuantityTrackingPriceLevel>(comparer);
Price price1 = new Price(1);
QuantityTrackingPriceLevel level1 = new QuantityTrackingPriceLevel(price1);
sortedDictionary.Add(price1, level1);
Price price4 = new Price(4);
QuantityTrackingPriceLevel level4 = new QuantityTrackingPriceLevel(price4);
sortedDictionary.Add(price4, level4);
Price price3 = new Price(3);
QuantityTrackingPriceLevel level3 = new QuantityTrackingPriceLevel(price3);
sortedDictionary.Add(price3, level3);
Price price2 = new Price(2);
QuantityTrackingPriceLevel level2 = new QuantityTrackingPriceLevel(price2);
sortedDictionary.Add(price2, level2);
Price price5 = new Price(5);
QuantityTrackingPriceLevel level5 = new QuantityTrackingPriceLevel(price5);
sortedDictionary.Add(price5, level5);
List <QuantityTrackingPriceLevel> expectedPriceLevelSortOrder = new List <QuantityTrackingPriceLevel>()
{
level5, level4, level3, level2, level1
};
AssertHelper.SequentiallyEqual(expectedPriceLevelSortOrder, sortedDictionary.Values.ToList());
List <Price> expectedPriceSortOrder = new List <Price>()
{
price5, price4, price3, price2, price1
};
AssertHelper.SequentiallyEqual(expectedPriceSortOrder, sortedDictionary.Keys.ToList());
}
public PriceComparerBenchmark()
{
_priceComparerDescending = new PriceComparerDescending();
_priceComparerDescendingZeroFirst = new PriceComparerDescendingZeroFirst();
_priceComparerAscending = new PriceComparerAscending();
}
