Merge pull request #67 from objectbox/65-test-null-properties

Test null values for entity properties

Author: nalenz-objectbox

test/box_test.dart

@@ -98,12 +98,31 @@ void main() {
     final List<TestEntity> items = [int64Min, int64Max].map((n) => TestEntity.initInteger(n)).toList();
     expect("${items[0].number}", equals("$int64Min"));
     expect("${items[1].number}", equals("$int64Max"));
-    final List<int> ids = box.putMany(items);
-    final List<TestEntity> fetchedItems = box.getMany([ids[0], ids[1]]);
+    final List<TestEntity> fetchedItems = box.getMany(box.putMany(items));
     expect(fetchedItems[0].number, equals(int64Min));
     expect(fetchedItems[1].number, equals(int64Max));
   });
 
+  test("null properties are handled correctly", () {
+    final List<TestEntity> items = [TestEntity(), TestEntity.initInteger(10), TestEntity.initText("Hello")];
+    final List<TestEntity> fetchedItems = box.getMany(box.putMany(items));
+    expect(fetchedItems[0].id, isNot(equals(null)));
+    expect(fetchedItems[0].number, equals(null));
+    expect(fetchedItems[0].text, equals(null));
+    expect(fetchedItems[0].b, equals(null));
+    expect(fetchedItems[0].d, equals(null));
+    expect(fetchedItems[1].id, isNot(equals(null)));
+    expect(fetchedItems[1].number, isNot(equals(null)));
+    expect(fetchedItems[1].text, equals(null));
+    expect(fetchedItems[1].b, equals(null));
+    expect(fetchedItems[1].d, equals(null));
+    expect(fetchedItems[2].id, isNot(equals(null)));
+    expect(fetchedItems[2].number, equals(null));
+    expect(fetchedItems[2].text, isNot(equals(null)));
+    expect(fetchedItems[2].b, equals(null));
+    expect(fetchedItems[2].d, equals(null));
+  });
+
   test(".count() works", () {
     expect(box.count(), equals(0));
     List<int> ids = box.putMany(simpleItems);