@Test public void testEqualsWithAliases() {

    NSNumber fortyTwo = NSNumber.CLASS.numberWithInt(42);
    NSNumber fortyTwoAlias = Rococoa.wrap(fortyTwo.id(), NSNumber.class);
    NSNumber fortyThree = NSNumber.CLASS.numberWithInt(43);
    assertTrue(fortyTwo.equals(fortyTwoAlias));
    assertTrue(fortyTwoAlias.equals(fortyTwo));
    assertFalse(fortyTwo.equals(fortyThree));
    assertFalse(fortyTwo.equals(null));
}