public void OfNullCollection_ShouldHaveZeroHashCode()
{
var firstCollection = (string[])null;
var firstByValue = new CollectionByValue <string>(firstCollection, StrictOptions);
Assert.AreEqual(0, firstByValue.GetHashCode());
}
public void OfSameCountCollectionsWithSameFirstItem_ShouldHaveSameHashCode()
{
var firstCollection = new[] { "1" };
var secondCollection = new[] { "1" };
var firstByValue = new CollectionByValue <string>(firstCollection, StrictOptions);
var secondByValue = new CollectionByValue <string>(secondCollection, StrictOptions);
Assert.AreEqual(firstByValue.GetHashCode(), secondByValue.GetHashCode());
}
public void OfCollectionWithNotComparableItems_ShouldNotThrowWhenGetHashCode([Values] bool strictOrdering)
{
var collection = new[]
{
new NotComparableClass(),
new NotComparableClass()
};
var byValue = new CollectionByValue <NotComparableClass>(
collection,
new Options <NotComparableClass>(strictOrdering, null));
Assert.DoesNotThrow(() => byValue.GetHashCode());
}