@Test
public void testToString() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(1);
dll.pushBack(2);
System.out.println(dll.toString());
}
@Test
public void testPushFront() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushFront(5);
assertEquals(1, dll.elements());
}
@Test
public void testClone() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
DoubleLinkedList dll2 = dll.clone();
assertEquals(true, dll.equals(dll2));
}
@Test
public void testSearchFalse() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
dll.pushFront(3);
dll.pushFront(2);
assertEquals(false, dll.search(4));
}
@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 testSearchTrue() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
dll.pushFront(new Integer(3));
dll.pushFront(2);
assertEquals(true, dll.search(new Integer(3)));
}
@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());
}
// Exception expected
@Test
public void testPopFrontEmpty() throws InvalidAccessException {
DoubleLinkedList dll = new DoubleLinkedList();
try {
dll.popFront();
} catch (InvalidAccessException ex) {
return;
}
fail("ExceptionExpected");
}
@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 testEqualsFalse() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
DoubleLinkedList dll2 = new DoubleLinkedList();
dll2.pushFront(6);
dll2.pushFront(5);
assertEquals(false, dll.equals(dll2));
}
// no exception expected
@Test
public void testPeekBack() throws InvalidAccessException, ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
try {
assertEquals(5, dll.popBack());
} catch (InvalidAccessException ex) {
fail(ex.getMessage());
}
}
// null exception expected
@Test
public void testPushFrontNullPointerException() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
try {
dll.pushFront((Comparable) null);
dll.pushFront("String");
} catch (NullPointerException ex) {
return;
}
fail("Exception expected!");
}
// 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!");
}
}
// exception expected
@Test
public void testPushFrontException() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
try {
dll.pushFront(5);
dll.pushFront("String");
} catch (ValueException ex) {
return;
}
fail("Exception expected!");
}
// no Exception expected
@Test
public void testSearchNoException() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
dll.pushFront(3);
dll.pushFront(2);
try {
assertEquals(false, dll.search(4));
} catch (NullPointerException 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");
}
}
// Exception expected
@Test
public void testSearchException() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
dll.pushFront(3);
dll.pushFront(2);
try {
assertEquals(false, dll.search("String"));
} catch (ValueException ex) {
return;
}
fail("Exception expected!");
}
// Exception expected
@Test
public void testEqualsException() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(6);
dll.pushBack(5);
DoubleLinkedList dll2 = new DoubleLinkedList();
dll2.pushFront(6);
dll2.pushFront(5);
try {
assertEquals(false, dll.equals(null));
} catch (NullPointerException ex) {
return;
}
fail("Exception expected!");
}
@Test
public void testMultipleReverse() throws InvalidAccessException, ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(1);
dll.pushBack(2);
dll.pushBack(3);
dll.pushBack(4);
dll.reverse();
assertEquals(1, dll.popBack());
assertEquals(2, dll.popBack());
dll.reverse();
assertEquals(4, dll.popBack());
assertEquals(3, dll.popBack());
}
// null exception expected
@Test
public void testPushFrontDoubleLinkedListNullPointerException() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushFront(5);
dll.pushFront(6);
DoubleLinkedList dll2 = new DoubleLinkedList();
dll2.pushFront("String");
dll2.pushFront("ssdf");
dll2.pushFront("sdf");
try {
dll.pushFront((DoubleLinkedList) null);
} catch (NullPointerException ex) {
return;
}
fail("Exceptione 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!");
}
}
// Null Exception expected
@Test
public void testPushBackDoubleLinkedListNullPointerException() throws ValueException {
DoubleLinkedList dll = new DoubleLinkedList();
dll.pushBack(5);
dll.pushBack(6);
DoubleLinkedList dll2 = new DoubleLinkedList();
dll2.pushBack("dssdf");
dll2.pushBack("sdfsd");
dll2.pushBack("sdf");
try {
dll.pushBack((DoubleLinkedList) null);
} catch (NullPointerException ex) {
return;
}
fail("Exception expected!");
}
@Test
public void testDoubleLinkedListEmpty() {
DoubleLinkedList dll = new DoubleLinkedList();
assertEquals(0, dll.elements());
}
@Test
public void testEmptyToString() {
DoubleLinkedList dll = new DoubleLinkedList();
assertEquals("No Nodes in that list!", dll.toString());
}