@Test
public void testPushFront() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushFront(5);
assertEquals(1, dll.elements());
}
@Test
public void testPopBackCount() throws InvalidAccessException, ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
assertEquals(5, dll.popBack());
assertEquals(1, dll.elements());
}
@Test
public void testElements() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
dll.pushFront(1);
dll.pushFront(2);
assertEquals(4, dll.elements());
}
@Test
public void testPopFrontCaunt() throws InvalidAccessException, ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushFront(5);
dll.pushFront(6);
dll.pushFront(7);
assertEquals(7, dll.popFront());
assertEquals(2, dll.elements());
}
// No Exception
@Test
public void testPushFrontNoException() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
try {
dll.pushFront(5);
dll.pushFront(6);
assertEquals(2, dll.elements());
} catch (ValueException ex) {
fail("No Exception expected!");
}
}
// no Exception
@Test
public void testDoubleLinkedList() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushFront(1);
dll.pushFront(2);
dll.pushFront(3);
DoubleLinkedList dll2;
try {
dll2 = new DoubleLinkedList(dll);
assertEquals(3, dll2.elements());
} catch (NullPointerException ex) {
fail("No Exception expected");
}
}
// no exception expected
@Test
public void testPushBackDoubleLinkedList() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(5);
dll.pushBack(6);
DoubleLinkedList dll2 = new DoubleLinkedList();
dll2.pushBack(1);
dll2.pushBack(2);
dll2.pushBack(3);
try {
dll.pushBack(dll2);
assertEquals(5, dll.elements());
} catch (ValueException ex) {
fail("No Exception expected!");
}
}
@Test
public void testDoubleLinkedListEmpty() {
DoubleLinkedList dll = new DoubleLinkedList();
assertEquals(0, dll.elements());
}