@Test public void testEqualsDifferent() { r1.setFilename("test"); assertFalse(r1.equals(r2)); }
@Test public void testEqualsNull() { assertFalse(r1.equals(null)); }
@Test public void testEqualsSame() { assertTrue(r1.equals(r2)); }
@Test public void testEqualsIdentity() { assertTrue(r1.equals(r1)); }