Add tests.type-error-messages

1 files changed, 18 insertions, 1 deletions

diff --git a/simplejson/tests/test_errors.py b/simplejson/tests/test_errors.py
index 8dede38..78f25a5 100644
--- a/simplejson/tests/test_errors.py
+++ b/simplejson/tests/test_errors.py
@@ -7,7 +7,24 @@ from simplejson.compat import u, b
 class TestErrors(TestCase):
     def test_string_keys_error(self):
         data = [{'a': 'A', 'b': (2, 4), 'c': 3.0, ('d',): 'D tuple'}]
-        self.assertRaises(TypeError, json.dumps, data)
+        try:
+            json.dumps(data)
+        except TypeError:
+            err = sys.exc_info()[1]
+        else:
+            self.fail('Expected TypeError')
+        self.assertEqual(str(err),
+                'keys must be str, int, float, bool or None, not tuple')
+
+    def test_not_serializable(self):
+        try:
+            json.dumps(json)
+        except TypeError:
+            err = sys.exc_info()[1]
+        else:
+            self.fail('Expected TypeError')
+        self.assertEqual(str(err),
+                'Object of type module is not JSON serializable')
 
     def test_decode_error(self):
         err = None