@Test
public void xor() {

    assertFalse(BindingConditions.xor(confirming, confirming).fulfilled(null, Object.class, null, null, classLoader));
    assertFalse(BindingConditions.xor(nonConfirming, nonConfirming).fulfilled(null, Object.class, null, null, classLoader));
    assertTrue(BindingConditions.xor(confirming, nonConfirming).fulfilled(null, Object.class, null, null, classLoader));
    assertTrue(BindingConditions.xor(nonConfirming, confirming).fulfilled(null, Object.class, null, null, classLoader));
}