public void UnionYieldsImmutableCone()
{
ISet mySet = new ListSet(new int[] { 1, 4 });
ISet clone = Set.Union(mySet);
Assert.IsNotNull(clone);
Assert.AreEqual(4, clone.Count);
Assert.Throws <NotSupportedException>(() => clone.Add("bad chair, bad chair"));
}
public void Union()
{
Set.AddAll(UniqueStuff);
SetForSetOps.AddAll(new object [] { "Bar", StuffOne });
ISet union = Set.Union(SetForSetOps);
Assert.IsTrue(union.Count == UniqueStuff.Length + 1);
Assert.IsFalse(object.ReferenceEquals(union, Set), "Got back same instance after set operation.");
Assert.IsTrue(Set.Count == UniqueStuff.Length);
Assert.IsTrue(SetForSetOps.Count == 2);
}
public void Union()
{
ISet actual = Set.Union(one, two);
Assert.IsNotNull(actual);
Assert.AreEqual(4, actual.Count);
Assert.IsTrue(actual.ContainsAll(new object [] { 1, "Foo", 2, 3 }));
CheckThatOriginalsHaveNotBeenModified();
Assert.IsNull(Set.Union(null, null));
actual = Set.Union(null, two);
Assert.AreEqual(two, actual);
actual = Set.Union(one, null);
Assert.AreEqual(one, actual);
}