PropertyQuery: test sumDouble with no data for integers.

Author: greenrobot-team

tests/objectbox-java-test/src/test/java/io/objectbox/query/PropertyQueryTest.java

@@ -624,6 +624,16 @@ public void sum_noData() {
     @Test
     public void sumDouble_noData() {
         Query<TestEntity> baseQuery = box.query().build();
+        // Integer.
+        assertEquals(0, baseQuery.property(simpleByte).sumDouble(), 0.0001);
+        assertEquals(0, baseQuery.property(simpleInt).sumDouble(), 0.0001);
+        assertEquals(0, baseQuery.property(simpleShort).sumDouble(), 0.0001);
+        assertEquals(0, baseQuery.property(simpleLong).sumDouble(), 0.0001);
+        // Integer treated as unsigned.
+        assertEquals(0, baseQuery.property(simpleIntU).sumDouble(), 0.0001);
+        assertEquals(0, baseQuery.property(simpleShortU).sumDouble(), 0.0001);
+        assertEquals(0, baseQuery.property(simpleLongU).sumDouble(), 0.0001);
+        // Floating point.
         assertEquals(0, baseQuery.property(simpleFloat).sumDouble(), 0.0001);
         assertEquals(0, baseQuery.property(simpleDouble).sumDouble(), 0.0001);
     }