public void testDeltasAccessibleByBeginVersion() throws Exception {
appendDeltas(d1, d2, d3);
assertEquals(d1.transformed, target.getTransformedDelta(V0));
assertEquals(d1.applied, target.getAppliedDelta(V0));
assertEquals(d2.transformed, target.getTransformedDelta(d1.getResultingVersion()));
assertEquals(d2.applied, target.getAppliedDelta(d1.getResultingVersion()));
assertEquals(d3.transformed, target.getTransformedDelta(d2.getResultingVersion()));
assertEquals(d3.applied, target.getAppliedDelta(d2.getResultingVersion()));
// Wrong hashes return null.
assertNull(target.getTransformedDelta(HashedVersion.unsigned(0)));
assertNull(target.getAppliedDelta(HashedVersion.unsigned(0)));
}
public void testEmptyStateIsEmpty() {
assertNull(target.getSnapshot());
assertEquals(V0, target.getCurrentVersion());
assertEquals(V0, target.getHashedVersion(0));
assertNull(target.getTransformedDelta(V0));
assertNull(target.getAppliedDelta(V0));
}
