1 files changed, 16 insertions, 1 deletions
diff --git a/test/ext/test_mutable.py b/test/ext/test_mutable.py
index ed97a0d92..602ff911a 100644
--- a/test/ext/test_mutable.py
+++ b/test/ext/test_mutable.py
@@ -4,7 +4,7 @@ from sqlalchemy.orm import mapper, Session, composite
 from sqlalchemy.orm.mapper import Mapper
 from sqlalchemy.orm.instrumentation import ClassManager
 from sqlalchemy.testing.schema import Table, Column
-from sqlalchemy.testing import eq_, assert_raises_message
+from sqlalchemy.testing import eq_, assert_raises_message, assert_raises
 from sqlalchemy.testing.util import picklers
 from sqlalchemy.testing import fixtures
 from sqlalchemy.ext.mutable import MutableComposite
@@ -146,6 +146,21 @@ class _MutableDictTestBase(_MutableDictTestFixture):
         eq_(f1.data.pop('a'), 'b')
         sess.commit()
 
+        assert_raises(KeyError, f1.data.pop, 'g')
+
+        eq_(f1.data, {'c': 'd'})
+
+    def test_pop_default(self):
+        sess = Session()
+
+        f1 = Foo(data={'a': 'b', 'c': 'd'})
+        sess.add(f1)
+        sess.commit()
+
+        eq_(f1.data.pop('a', 'q'), 'b')
+        eq_(f1.data.pop('a', 'q'), 'q')
+        sess.commit()
+
         eq_(f1.data, {'c': 'd'})
 
     def test_popitem(self):