public void TestImmutableTreeSetCreateRangeValidation()
{
Assert.Throws <ArgumentNullException>("other", () => ImmutableTreeSet.CreateRange <int>(null !));
Assert.Throws <ArgumentNullException>("other", () => ImmutableTreeSet.CreateRange(EqualityComparer <int> .Default, null !));
Assert.Throws <ArgumentNullException>("source", () => default(IEnumerable <int>) !.ToImmutableTreeSet());
Assert.Throws <ArgumentNullException>("source", () => default(IEnumerable <int>) !.ToImmutableTreeSet(EqualityComparer <int> .Default));
}
public void TestImmutableTreeSetCreateRange()
{
var values = new[] { Generator.GetInt32(), Generator.GetInt32(), Generator.GetInt32() };
var set = ImmutableTreeSet.CreateRange(values);
Assert.Equal(values.OrderBy(x => x), set);
}
public void TestTrimExcess()
{
var random = new Random();
ImmutableTreeSet <int> .Builder set = ImmutableTreeSet.CreateBuilder <int>();
var reference = new SortedSet <int>();
for (int i = 0; i < 2 * 4 * 4; i++)
{
int value = random.Next(set.Count + 1);
set.Add(i);
reference.Add(i);
}
set.Validate(ValidationRules.None);
// In the first call to TrimExcess, items will move
set.TrimExcess();
set.Validate(ValidationRules.RequirePacked);
Assert.Equal(reference, set);
// In the second call, the list is already packed so nothing will move
set.TrimExcess();
set.Validate(ValidationRules.RequirePacked);
Assert.Equal(reference, set);
ImmutableTreeSet <int> .Builder empty = ImmutableTreeSet.CreateBuilder <int>();
empty.Validate(ValidationRules.RequirePacked);
empty.TrimExcess();
empty.Validate(ValidationRules.RequirePacked);
var single = ImmutableTreeSet.CreateRange <int>(Enumerable.Range(0, 1)).ToBuilder();
single.Validate(ValidationRules.RequirePacked);
single.TrimExcess();
single.Validate(ValidationRules.RequirePacked);
// Construct a poorly-packed list with several levels
ImmutableTreeSet <int> .Builder binary = ImmutableTreeSet.CreateBuilder <int>();
for (int i = 99; i >= 0; i--)
{
binary.Add(i);
}
binary.TrimExcess();
binary.Validate(ValidationRules.RequirePacked);
// Construct a poorly-packed list with several levels
var ternary = ImmutableTreeSet.CreateRange <int>(equalityComparer: null, Enumerable.Range(0, 100)).ToBuilder();
for (int i = 99; i >= 0; i--)
{
ternary.Add(i);
}
ternary.TrimExcess();
ternary.Validate(ValidationRules.RequirePacked);
}
public void TestRemoveValue()
{
var set = ImmutableTreeSet.CreateRange(equalityComparer: null, Enumerable.Range(0, 10)).ToBuilder();
Assert.False(set.Remove(-1));
Assert.Equal(10, set.Count);
Assert.True(set.Remove(3));
Assert.Equal(9, set.Count);
}
public void TestCopyToValidation()
{
var set = ImmutableTreeSet.CreateRange <int>(Enumerable.Range(0, 10)).ToBuilder();
Assert.Throws <ArgumentNullException>("array", () => ((ICollection <int>)set).CopyTo(array: null !, 0));
Assert.Throws <ArgumentOutOfRangeException>("arrayIndex", () => ((ICollection <int>)set).CopyTo(new int[set.Count], -1));
Assert.Throws <ArgumentException>(string.Empty, () => ((ICollection <int>)set).CopyTo(new int[set.Count - 1], 0));
Assert.Throws <ArgumentException>(() => ((ICollection <int>)set).CopyTo(new int[set.Count], 1));
}
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 TestCopyTo()
{
var set = ImmutableTreeSet.CreateRange(equalityComparer: null, Enumerable.Range(0, 100)).ToBuilder();
var reference = new SortedSet <int>(Enumerable.Range(0, 100));
int[] listArray = new int[set.Count * 2];
int[] referenceArray = new int[reference.Count * 2];
((ICollection <int>)set).CopyTo(listArray, 0);
reference.CopyTo(referenceArray);
Assert.Equal(referenceArray, listArray);
((ICollection <int>)set).CopyTo(listArray, set.Count / 2);
reference.CopyTo(referenceArray, reference.Count / 2);
Assert.Equal(referenceArray, listArray);
}
public void TestICollectionTInterface()
{
ICollection <int> set = ImmutableTreeSet.CreateRange(Enumerable.Range(0, 10)).ToBuilder();
Assert.False(set.IsReadOnly);
Assert.Equal(10, set.Count);
Assert.True(set.Contains(3));
set.Add(3);
Assert.True(set.Contains(3));
Assert.Equal(10, set.Count);
Assert.False(set.Contains(12));
set.Add(12);
Assert.True(set.Contains(12));
Assert.Equal(11, set.Count);
}
public void TestDefaultComparer()
{
Assert.Same(EqualityComparer <object> .Default, ImmutableTreeSet.CreateBuilder <object>().KeyComparer);
Assert.Same(EqualityComparer <int> .Default, ImmutableTreeSet.CreateBuilder <int>().KeyComparer);
Assert.Same(EqualityComparer <IComparable> .Default, ImmutableTreeSet.CreateBuilder <IComparable>().KeyComparer);
Assert.Same(EqualityComparer <object> .Default, ImmutableTreeSet.CreateRange <object>(Enumerable.Empty <object>()).ToBuilder().KeyComparer);
Assert.Same(EqualityComparer <int> .Default, ImmutableTreeSet.CreateRange <int>(Enumerable.Empty <int>()).ToBuilder().KeyComparer);
Assert.Same(EqualityComparer <IComparable> .Default, ImmutableTreeSet.CreateRange <IComparable>(Enumerable.Empty <IComparable>()).ToBuilder().KeyComparer);
Assert.Same(EqualityComparer <object> .Default, ImmutableTreeSet.CreateBuilder <object>(equalityComparer: null).KeyComparer);
Assert.Same(EqualityComparer <int> .Default, ImmutableTreeSet.CreateBuilder <int>(equalityComparer: null).KeyComparer);
Assert.Same(EqualityComparer <IComparable> .Default, ImmutableTreeSet.CreateBuilder <IComparable>(equalityComparer: null).KeyComparer);
Assert.Same(EqualityComparer <object> .Default, ImmutableTreeSet.CreateRange <object>(equalityComparer: null, Enumerable.Empty <object>()).ToBuilder().KeyComparer);
Assert.Same(EqualityComparer <int> .Default, ImmutableTreeSet.CreateRange <int>(equalityComparer: null, Enumerable.Empty <int>()).ToBuilder().KeyComparer);
Assert.Same(EqualityComparer <IComparable> .Default, ImmutableTreeSet.CreateRange <IComparable>(equalityComparer: null, Enumerable.Empty <IComparable>()).ToBuilder().KeyComparer);
}
public void TestICollectionInterface()
{
TestICollectionInterfaceImpl(ImmutableTreeSet.Create(600, 601), supportsNullValues: false);
TestICollectionInterfaceImpl(ImmutableTreeSet.Create <int?>(600, 601), supportsNullValues: true);
TestICollectionInterfaceImpl(ImmutableTreeSet.Create <object>(600, 601), supportsNullValues: true);
ICollection collection = ImmutableTreeSet <int> .Empty;
collection.CopyTo(new int[0], 0);
// Type checks are only performed if the collection has items
collection.CopyTo(new string[0], 0);
collection = ImmutableTreeSet.CreateRange(Enumerable.Range(0, 100));
var array = new int[collection.Count];
collection.CopyTo(array, 0);
Assert.Equal(array, collection);
// Run the same set of tests on ImmutableList<T> to ensure consistent behavior
TestICollectionInterfaceImpl(ImmutableList.Create(600, 601), supportsNullValues: false);
TestICollectionInterfaceImpl(ImmutableList.Create <int?>(600, 601), supportsNullValues: true);
TestICollectionInterfaceImpl(ImmutableList.Create <object>(600, 601), supportsNullValues: true);
}
protected override IEnumerable <T> TransformEnumerableForSetOperation <T>(IEnumerable <T> enumerable)
{
return(ImmutableTreeSet.CreateRange(enumerable));
}
