@Test
public void changeTracking() {
Anchor a = new Anchor();
a.setId("123");
a.setOffset(456.789);
a.put("foo", "bar");
assertEquals(new Double(456.789), a.getOffset());
assertEquals("Offset and original are the same", a.getOriginalOffset(), a.getOffset());
assertEquals(Change.Operation.NoChange, a.getChange());
a.put("foo", "foo");
assertEquals("Only offset affects change:", Change.Operation.NoChange, a.getChange());
a.setOffset(123.456);
assertEquals(new Double(123.456), a.getOffset());
assertEquals(
"Original offset remembers first offset:", new Double(456.789), a.get("originalOffset"));
assertEquals(
"Original offset remembers first offset:", new Double(456.789), a.getOriginalOffset());
assertEquals(Change.Operation.Update, a.getChange());
a.setOffset(456.123);
assertEquals(new Double(456.123), a.getOffset());
assertEquals("Original offset only set once:", new Double(456.789), a.getOriginalOffset());
assertEquals(Change.Operation.Update, a.getChange());
a.rollback();
assertEquals(new Double(456.789), a.getOffset());
assertEquals("Offset and original are the same", a.getOriginalOffset(), a.getOffset());
assertEquals(Change.Operation.NoChange, a.getChange());
a.destroy();
assertEquals(Change.Operation.Destroy, a.getChange());
a.rollback();
assertEquals(Change.Operation.NoChange, a.getChange());
a.create();
assertEquals(Change.Operation.Create, a.getChange());
a.rollback();
assertEquals("Create cannot be rolled back:", Change.Operation.Create, a.getChange());
}
@Test
public void copyConstructor() {
Anchor a = new Anchor("123", 456.789);
// change offset to generate tracked original
a.setOffset(123.456);
// set copiable attribute
a.put("copy", Boolean.TRUE);
// set transient attribute
a.put("@dontCopy", Boolean.TRUE);
Anchor newA = new Anchor(a);
assertNull("id not copied", newA.getId());
assertEquals("offset copied", new Double(123.456), newA.getOffset());
assertNull("originalOffset not copied", newA.get("originalOffset"));
assertEquals("originalOffset not copied", new Double(123.456), newA.getOriginalOffset());
assertEquals("other attribute copied", Boolean.TRUE, newA.get("copy"));
assertNull("transient attribute not copied", newA.get("@dontCopy"));
}