Short-circuit 확인 테스트 코드

private String s; @Test(expected = NullPointerException.class) public void testShortCircuit1(){ assertFalse((s != null) & (s.length() > 0)); } @Test public void testShortCircuit2(){ assertFalse((s != null) && (s.length() > 0)); } @Test(expected = NullPointerException.class) public void testShortCircuit3(){ assertFalse((s == null) | (s.length() == 0)); } @Test public void testShortCircuit4(){ assertTrue((s == null) || (s.length() == 0)); }