OrderingScore supports automatic ordering direction when unspecified.

1 files changed, 42 insertions, 0 deletions

diff --git a/src/test/java/com/amazon/carbonado/qe/TestOrderingScore.java b/src/test/java/com/amazon/carbonado/qe/TestOrderingScore.java
index 91b5676..ecacf9a 100644
--- a/src/test/java/com/amazon/carbonado/qe/TestOrderingScore.java
+++ b/src/test/java/com/amazon/carbonado/qe/TestOrderingScore.java
@@ -543,4 +543,46 @@ public class TestOrderingScore extends TestCase {
         assertEquals("+doubleProp", score.getHandledOrderings().get(1).toString());

         assertEquals("+longProp", score.getRemainderOrderings().get(0).toString());

     }

+

+    public void testUnspecifiedDirection() throws Exception {

+        // Tests that an originally unspecified ordering direction is determined.

+        final StorableIndex<StorableTestBasic> ix;

+        List<OrderedProperty<StorableTestBasic>> ops;

+        OrderingScore score;

+        Filter<StorableTestBasic> filter;

+

+        ix = makeIndex(StorableTestBasic.class, "id", "intProp", "doubleProp");

+        ops = makeOrderings(StorableTestBasic.class, "~intProp", "-doubleProp");

+        filter = Filter.filterFor(StorableTestBasic.class, "id = ?");

+

+        score = OrderingScore.evaluate(ix, filter, ops);

+        assertEquals(2, score.getHandledCount());

+        assertEquals(0, score.getRemainderCount());

+        assertEquals(true, score.shouldReverseOrder());

+

+        assertEquals("-intProp", score.getHandledOrderings().get(0).toString());

+        assertEquals("-doubleProp", score.getHandledOrderings().get(1).toString());

+

+        ops = makeOrderings(StorableTestBasic.class, "~id", "intProp", "~doubleProp");

+

+        score = OrderingScore.evaluate(ix, null, ops);

+        assertEquals(3, score.getHandledCount());

+        assertEquals(0, score.getRemainderCount());

+        assertEquals(false, score.shouldReverseOrder());

+

+        assertEquals("+id", score.getHandledOrderings().get(0).toString());

+        assertEquals("+intProp", score.getHandledOrderings().get(1).toString());

+        assertEquals("+doubleProp", score.getHandledOrderings().get(2).toString());

+

+        ops = makeOrderings(StorableTestBasic.class, "~id", "-intProp", "~doubleProp");

+

+        score = OrderingScore.evaluate(ix, null, ops);

+        assertEquals(3, score.getHandledCount());

+        assertEquals(0, score.getRemainderCount());

+        assertEquals(true, score.shouldReverseOrder());

+

+        assertEquals("-id", score.getHandledOrderings().get(0).toString());

+        assertEquals("-intProp", score.getHandledOrderings().get(1).toString());

+        assertEquals("-doubleProp", score.getHandledOrderings().get(2).toString());

+    }

 }