@Test
public void objectAttributes() {
Anchor a = new Anchor();
// TODO define before-id hashcode behaviour
a.setId("123");
int iStartHashCode = a.hashCode();
a.setOffset(456.789);
a.put("foo", "bar");
int iEndHashCode = a.hashCode();
assertEquals("Immutable hashcode:", iStartHashCode, iEndHashCode);
assertEquals("456.789", a.toString());
assertTrue("Equality reflexive", a.equals(a));
Anchor a2 = new Anchor();
assertFalse("equals before id set:", a.equals(a2));
a2.setId("123");
a2.setOffset(456.789);
// no "foo" attribute, to ensure it doesn't contribute to equality
assertTrue("id defines equality:", a.equals(a2));
assertTrue("Equality is symmetric:", a2.equals(a));
assertEquals("Comparable:", 0, a.compareTo(a2));
a2.setOffset(123.456);
assertTrue("offset doesn't affect equality:", a.equals(a2));
a2.setId("different id");
assertFalse("Different id:", a.equals(a2));
assertTrue("Compare by offset - 456.123 > 123.456", a.compareTo(a2) > 0);
a2.setOffset(a.getOffset());
assertTrue(
"Comparable: if offsets are equal, comparison is by ID - \"123\" < \"different id\"",
a.compareTo(a2) < 0);
a2.setOffset(null);
assertTrue(
"Comparable: if left offset is null, comparison is by ID - \"123\" < \"different id\"",
a.compareTo(a2) < 0);
assertTrue(
"Comparable: if right offset is null, comparison is by ID - \"different id\" > \"123\"",
a2.compareTo(a) > 0);
a2.setId(a.getId());
assertTrue("Resetting attribute resets equality:", a.equals(a2));
LinkedHashMap<String, Object> aMap = new LinkedHashMap<String, Object>();
aMap.putAll(a);
assertFalse("A map with the same attributes isn't equal:", a.equals(aMap));
}
