public void testClear()
{
DEQueue <string> b = new DEQueue <string>();
b.pushBack("abc");
b.clear();
Assert.IsTrue(b.Count == 0);
}
public void ClearTest()
{
DEQueue <string> deq = new DEQueue <string>();
deq.pushFront("a");
deq.pushBack("b");
deq.pushFront("c");
Assert.IsTrue(deq.Size == 3);
Assert.AreEqual("c", deq.Head.Data);
Assert.AreEqual("b", deq.Tail.Data);
deq.clear();
Assert.IsTrue(deq.Size == 0);
Assert.IsNull(deq.Head);
Assert.IsNull(deq.Tail);
}