Prevent duplicate field generation.

1 files changed, 26 insertions, 0 deletions

diff --git a/src/test/java/com/amazon/carbonado/cursor/TestFilteredCursor.java b/src/test/java/com/amazon/carbonado/cursor/TestFilteredCursor.java
index 53c3171..e21b788 100644
--- a/src/test/java/com/amazon/carbonado/cursor/TestFilteredCursor.java
+++ b/src/test/java/com/amazon/carbonado/cursor/TestFilteredCursor.java
@@ -800,6 +800,32 @@ public class TestFilteredCursor extends TestCase {
         assertEquals(4, matches.get(2).getOrderID());

     }

 

+    public void testExpandedForm() throws Exception {

+        // Tests that duplicate property filters don't break code generation.

+

+        Repository repo = new ToyRepository();

+        Storage<Order> orders = repo.storageFor(Order.class);

+

+        Filter<Order> filter = Filter.filterFor

+            (Order.class, "orderTotal < ? & (orderNumber = ? | addressID = ?)");

+

+        FilterValues<Order> fv = filter.initialFilterValues();

+        fv = fv.withValues(100, "xyz", 123);

+

+        // Create the duplicates as a result of this transformation.

+        filter = filter.disjunctiveNormalForm();

+

+        Cursor<Order> cursor = EmptyCursor.the();

+

+        try {

+            cursor = FilteredCursor.applyFilter(filter, fv, cursor);

+        } catch (LinkageError e) {

+            throw e;

+        }

+

+        assertFalse(cursor.hasNext());

+    }

+

     @PrimaryKey("ID")

     public static interface FloatRecord extends Storable {

         int getID();