@Test
public void testSize() {
assertEquals(0, deque.size());
deque.addFront(3);
assertEquals(1, deque.size());
deque.addFront(7);
assertEquals(2, deque.size());
deque.removeFront();
assertEquals(1, deque.size());
deque.removeFront();
assertEquals(0, deque.size());
}
@Test
public void testRemove() {
Deque<String> deque = new Deque<String>();
deque.addFirst(new String("test"));
deque.addFirst(new String("test first"));
deque.addLast(new String("test last"));
deque.removeLast();
deque.removeFirst();
assertTrue(deque.size() == 1);
deque.removeLast();
assertTrue(deque.size() == 0);
}
@Test
public void Deque_addLast_removeLast_AddsRemovesTwo() {
deque.addLast("firstString");
deque.addLast("secondString");
assertFalse(deque.isEmpty());
assertEquals(deque.size(), 2);
String returnedString = deque.removeLast();
assertEquals(returnedString, "secondString");
assertFalse(deque.isEmpty());
assertEquals(deque.size(), 1);
returnedString = deque.removeLast();
assertEquals(returnedString, "firstString");
assertTrue(deque.isEmpty());
assertEquals(deque.size(), 0);
}
@Test
public void Deque_addLast_AddsTwo() {
deque.addLast("firstString");
deque.addLast("secondString");
assertFalse(deque.isEmpty());
assertEquals(deque.size(), 2);
}
@Test
public void testAddition() {
Deque<String> deque = new Deque<String>();
deque.addFirst(new String("test"));
assertFalse(deque.isEmpty());
deque.addFirst(new String("test first"));
deque.addLast(new String("test last"));
assertEquals(deque.size(), 3);
}
@Test
public void Deque_addLast_AddsOne() {
deque.addLast("firstString");
assertFalse(deque.isEmpty());
assertEquals(deque.size(), 1);
}
@Test
public void Deque_size_returns0() {
assertEquals(deque.size(), 0);
}
