@Test public void testEmpty() { LinkedStackOfStrings s = new LinkedStackOfStrings(); assertTrue(s.isEmpty()); s.push("one"); assertFalse(s.isEmpty()); }
public void testPush2() { LinkedStackOfStrings s = new LinkedStackOfStrings(); s.push("one"); s.push("two"); s.push("three"); assertFalse(s.isEmpty()); assertTrue(s.pop().equals("three")); assertTrue(s.pop().equals("two")); assertTrue(s.pop().equals("one")); assertTrue(s.isEmpty()); }