public void testUpdateAndQuery() {
Item item1 = new Item();
store(item1);
Item item2 = new Item();
store(item2);
commit();
long initialCommitTimestamp1 = db().getObjectInfo(item1).getCommitTimestamp();
long initialCommitTimestamp2 = db().getObjectInfo(item2).getCommitTimestamp();
Assert.areEqual(initialCommitTimestamp1, initialCommitTimestamp2);
store(item2);
commit();
long secondCommitTimestamp1 = db().getObjectInfo(item1).getCommitTimestamp();
long secondCommitTimestamp2 = db().getObjectInfo(item2).getCommitTimestamp();
Assert.areEqual(initialCommitTimestamp1, secondCommitTimestamp1);
Assert.areNotEqual(initialCommitTimestamp2, secondCommitTimestamp2);
assertQueryForTimestamp(item1, initialCommitTimestamp1);
assertQueryForTimestamp(item2, secondCommitTimestamp2);
}
