public void TestConstructors()
{
IntList list = new IntList();
Assert.IsTrue(list.IsEmpty());
list.Add(0);
list.Add(1);
IntList list2 = new IntList(list);
//Assert.AreEqual(list, list2);
Assert.IsTrue(list.Equals(list2));
IntList list3 = new IntList(2);
Assert.IsTrue(list3.IsEmpty());
}
public void TestRetainAll()
{
IntList list = new IntList();
for (int j = 0; j < 1000; j++)
{
list.Add(j);
}
IntList listCopy = new IntList(list);
IntList listOdd = new IntList();
IntList listEven = new IntList();
for (int j = 0; j < 1000; j++)
{
if (j % 2 == 0)
{
listEven.Add(j);
}
else
{
listOdd.Add(j);
}
}
list.RetainAll(listOdd);
//Assert.AreEqual(list, listOdd);
Assert.IsTrue(list.Equals(listOdd));
list.RetainAll(listEven);
Assert.IsTrue(list.IsEmpty());
listCopy.RetainAll(listEven);
//Assert.AreEqual(listCopy, listEven);
Assert.IsTrue(listCopy.Equals(listEven));
listCopy.RetainAll(listOdd);
Assert.IsTrue(listCopy.IsEmpty());
}
public void TestEquals()
{
IntList list = new IntList();
Assert.AreEqual(list, list);
Assert.IsTrue(!list.Equals(null));
IntList list2 = new IntList(200);
Assert.IsTrue(list.Equals(list2));//Assert.AreEqual(list, list2);
Assert.IsTrue(list2.Equals(list));//Assert.AreEqual(list2, list);
Assert.AreEqual(list.GetHashCode(), list2.GetHashCode());
list.Add(0);
list.Add(1);
list2.Add(1);
list2.Add(0);
Assert.IsTrue(!list.Equals(list2));
list2.RemoveValue(1);
list2.Add(1);
Assert.IsTrue(list.Equals(list2));//Assert.AreEqual(list, list2);
Assert.IsTrue(list2.Equals(list));//Assert.AreEqual(list2, list);
list2.Add(2);
Assert.IsTrue(!list.Equals(list2));
Assert.IsTrue(!list2.Equals(list));
}
public void TestAddAll()
{
IntList list = new IntList();
for (int j = 0; j < 5; j++)
{
list.Add(j);
}
IntList list2 = new IntList(0);
list2.AddAll(list);
list2.AddAll(list);
Assert.AreEqual(2 * list.Count, list2.Count);
for (int j = 0; j < 5; j++)
{
Assert.AreEqual(list2.Get(j), j);
Assert.AreEqual(list2.Get(j + list.Count), j);
}
IntList empty = new IntList();
int limit = list.Count;
for (int j = 0; j < limit; j++)
{
Assert.IsTrue(list.AddAll(j, empty));
Assert.AreEqual(limit, list.Count);
}
try
{
list.AddAll(limit + 1, empty);
Assert.Fail("should have thrown an exception");
}
catch (IndexOutOfRangeException)
{
// as expected
}
// try add at beginning
empty.AddAll(0, list);
//Assert.AreEqual(empty, list);
Assert.IsTrue(empty.Equals(list));
// try in the middle
empty.AddAll(1, list);
Assert.AreEqual(2 * list.Count, empty.Count);
Assert.AreEqual(list.Get(0), empty.Get(0));
Assert.AreEqual(list.Get(0), empty.Get(1));
Assert.AreEqual(list.Get(1), empty.Get(2));
Assert.AreEqual(list.Get(1), empty.Get(6));
Assert.AreEqual(list.Get(2), empty.Get(3));
Assert.AreEqual(list.Get(2), empty.Get(7));
Assert.AreEqual(list.Get(3), empty.Get(4));
Assert.AreEqual(list.Get(3), empty.Get(8));
Assert.AreEqual(list.Get(4), empty.Get(5));
Assert.AreEqual(list.Get(4), empty.Get(9));
// try at the end
empty.AddAll(empty.Count, list);
Assert.AreEqual(3 * list.Count, empty.Count);
Assert.AreEqual(list.Get(0), empty.Get(0));
Assert.AreEqual(list.Get(0), empty.Get(1));
Assert.AreEqual(list.Get(0), empty.Get(10));
Assert.AreEqual(list.Get(1), empty.Get(2));
Assert.AreEqual(list.Get(1), empty.Get(6));
Assert.AreEqual(list.Get(1), empty.Get(11));
Assert.AreEqual(list.Get(2), empty.Get(3));
Assert.AreEqual(list.Get(2), empty.Get(7));
Assert.AreEqual(list.Get(2), empty.Get(12));
Assert.AreEqual(list.Get(3), empty.Get(4));
Assert.AreEqual(list.Get(3), empty.Get(8));
Assert.AreEqual(list.Get(3), empty.Get(13));
Assert.AreEqual(list.Get(4), empty.Get(5));
Assert.AreEqual(list.Get(4), empty.Get(9));
Assert.AreEqual(list.Get(4), empty.Get(14));
}