diff --git a/test/test_dbcore.py b/test/test_dbcore.py
index d2bdb907b..b0063dffb 100644
--- a/test/test_dbcore.py
+++ b/test/test_dbcore.py
@@ -470,8 +470,12 @@ class SortFromStringsTest(unittest.TestCase):
 class ResultsIteratorTest(unittest.TestCase):
     def setUp(self):
         self.db = TestDatabase1(':memory:')
-        TestModel1().add(self.db)
-        TestModel1().add(self.db)
+        model = TestModel1()
+        model['foo'] = 'baz'
+        model.add(self.db)
+        model = TestModel1()
+        model['foo'] = 'bar'
+        model.add(self.db)
 
     def tearDown(self):
         self.db._connection().close()
@@ -493,6 +497,38 @@ class ResultsIteratorTest(unittest.TestCase):
         list(it2)
         self.assertEqual(len(list(it1)), 1)
 
+    def test_slow_query(self):
+        q = dbcore.query.SubstringQuery('foo', 'ba', False)
+        objs = self.db._fetch(TestModel1, q)
+        self.assertEqual(len(list(objs)), 2)
+
+    def test_slow_query_negative(self):
+        q = dbcore.query.SubstringQuery('foo', 'qux', False)
+        objs = self.db._fetch(TestModel1, q)
+        self.assertEqual(len(list(objs)), 0)
+
+    def test_iterate_slow_sort(self):
+        s = dbcore.query.SlowFieldSort('foo')
+        res = self.db._fetch(TestModel1, sort=s)
+        objs = list(res)
+        self.assertEqual(objs[0].foo, 'bar')
+        self.assertEqual(objs[1].foo, 'baz')
+
+    def test_unsorted_subscript(self):
+        objs = self.db._fetch(TestModel1)
+        self.assertEqual(objs[0].foo, 'baz')
+        self.assertEqual(objs[1].foo, 'bar')
+
+    def test_slow_sort_subscript(self):
+        s = dbcore.query.SlowFieldSort('foo')
+        objs = self.db._fetch(TestModel1, sort=s)
+        self.assertEqual(objs[0].foo, 'bar')
+        self.assertEqual(objs[1].foo, 'baz')
+
+    def test_length(self):
+        objs = self.db._fetch(TestModel1)
+        self.assertEqual(len(objs), 2)
+
 
 def suite():
     return unittest.TestLoader().loadTestsFromName(__name__)