public void TestExplicitComparer()
{
ZeroHashCodeEqualityComparer <object> objComparer = ZeroHashCodeEqualityComparer <object> .Default;
ZeroHashCodeEqualityComparer <int> intComparer = ZeroHashCodeEqualityComparer <int> .Default;
ZeroHashCodeEqualityComparer <IComparable> comparableComparer = ZeroHashCodeEqualityComparer <IComparable> .Default;
Assert.Same(objComparer, ImmutableTreeSet.CreateBuilder <object>(equalityComparer: objComparer).KeyComparer);
Assert.Same(intComparer, ImmutableTreeSet.CreateBuilder <int>(equalityComparer: intComparer).KeyComparer);
Assert.Same(comparableComparer, ImmutableTreeSet.CreateBuilder <IComparable>(equalityComparer: comparableComparer).KeyComparer);
Assert.Same(objComparer, ImmutableTreeSet.CreateRange <object>(equalityComparer: objComparer, Enumerable.Empty <object>()).ToBuilder().KeyComparer);
Assert.Same(intComparer, ImmutableTreeSet.CreateRange <int>(equalityComparer: intComparer, Enumerable.Empty <int>()).ToBuilder().KeyComparer);
Assert.Same(comparableComparer, ImmutableTreeSet.CreateRange <IComparable>(equalityComparer: comparableComparer, Enumerable.Empty <IComparable>()).ToBuilder().KeyComparer);
}
public void TestExplicitComparer()
{
ZeroHashCodeEqualityComparer <object> objComparer = ZeroHashCodeEqualityComparer <object> .Default;
ZeroHashCodeEqualityComparer <int> intComparer = ZeroHashCodeEqualityComparer <int> .Default;
ZeroHashCodeEqualityComparer <IComparable> comparableComparer = ZeroHashCodeEqualityComparer <IComparable> .Default;
Assert.Same(objComparer, ImmutableTreeDictionary.Create <object, int>(keyComparer: objComparer).KeyComparer);
Assert.Same(intComparer, ImmutableTreeDictionary.Create <int, int>(keyComparer: intComparer).KeyComparer);
Assert.Same(comparableComparer, ImmutableTreeDictionary.Create <IComparable, int>(keyComparer: comparableComparer).KeyComparer);
Assert.Same(objComparer, ImmutableTreeDictionary.CreateRange <object, int>(keyComparer: objComparer, Enumerable.Empty <KeyValuePair <object, int> >()).KeyComparer);
Assert.Same(intComparer, ImmutableTreeDictionary.CreateRange <int, int>(keyComparer: intComparer, Enumerable.Empty <KeyValuePair <int, int> >()).KeyComparer);
Assert.Same(comparableComparer, ImmutableTreeDictionary.CreateRange <IComparable, int>(keyComparer: comparableComparer, Enumerable.Empty <KeyValuePair <IComparable, int> >()).KeyComparer);
Assert.Same(EqualityComparer <object> .Default, ImmutableTreeDictionary.Create <object, object>(keyComparer: null, valueComparer: objComparer).KeyComparer);
Assert.Same(objComparer, ImmutableTreeDictionary.Create <object, object>(keyComparer: null, valueComparer: objComparer).ValueComparer);
Assert.Same(EqualityComparer <object> .Default, ImmutableTreeDictionary.Create <object, object>().Add(new object(), null !).WithComparers(keyComparer: null, valueComparer: objComparer).KeyComparer);
Assert.Same(objComparer, ImmutableTreeDictionary.Create <object, object>().Add(new object(), null !).WithComparers(keyComparer: null, valueComparer: objComparer).ValueComparer);
}
public void TestExplicitComparer()
{
var objComparer = new ComparisonComparer <object>((x, y) => 0);
var intComparer = new ComparisonComparer <int>((x, y) => 0);
var comparableComparer = new ComparisonComparer <IComparable>((x, y) => 0);
ZeroHashCodeEqualityComparer <object?> objValueComparer = ZeroHashCodeEqualityComparer <object?> .Default;
Assert.Same(objComparer, ImmutableSortedTreeDictionary.Create <object, int>(keyComparer: objComparer).KeyComparer);
Assert.Same(intComparer, ImmutableSortedTreeDictionary.Create <int, int>(keyComparer: intComparer).KeyComparer);
Assert.Same(comparableComparer, ImmutableSortedTreeDictionary.Create <IComparable, int>(keyComparer: comparableComparer).KeyComparer);
Assert.Same(objComparer, ImmutableSortedTreeDictionary.CreateRange <object, int>(keyComparer: objComparer, Enumerable.Empty <KeyValuePair <object, int> >()).KeyComparer);
Assert.Same(intComparer, ImmutableSortedTreeDictionary.CreateRange <int, int>(keyComparer: intComparer, Enumerable.Empty <KeyValuePair <int, int> >()).KeyComparer);
Assert.Same(comparableComparer, ImmutableSortedTreeDictionary.CreateRange <IComparable, int>(keyComparer: comparableComparer, Enumerable.Empty <KeyValuePair <IComparable, int> >()).KeyComparer);
Assert.Same(Comparer <object> .Default, ImmutableSortedTreeDictionary.Create <object, object>(keyComparer: null, valueComparer: objValueComparer).KeyComparer);
Assert.Same(objValueComparer, ImmutableSortedTreeDictionary.Create <object, object>(keyComparer: null, valueComparer: objValueComparer).ValueComparer);
Assert.Same(Comparer <object> .Default, ImmutableSortedTreeDictionary.Create <object, object?>().Add(new object(), null).WithComparers(keyComparer: null, valueComparer: objValueComparer).KeyComparer);
Assert.Same(objValueComparer, ImmutableSortedTreeDictionary.Create <object, object?>().Add(new object(), null).WithComparers(keyComparer: null, valueComparer: objValueComparer).ValueComparer);
}
