@Test public void testGetBINThrowsNullPointerException() throws Throwable { try { new CardHolder().getBIN(); fail("Expected NullPointerException to be thrown"); } catch (NullPointerException ex) { assertNull("ex.getMessage()", ex.getMessage()); } }
@Test public void testGetBIN() throws Throwable { CardHolder cardHolder = new CardHolder(); cardHolder.setPAN("testCardHolderPan"); String result = cardHolder.getBIN(); assertEquals("result", "testCa", result); }