One more test.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/zope/i18nmessageid/tests.py b/src/zope/i18nmessageid/tests.py
index 3de1e1d..42b9714 100644
--- a/src/zope/i18nmessageid/tests.py
+++ b/src/zope/i18nmessageid/tests.py
@@ -55,6 +55,21 @@ class PyMessageTests(unittest.TestCase):
         if self._TEST_READONLY:
             self.assertTrue(message._readonly)
 
+    def test_values_without_defaults(self):
+        mapping = {'key': 'value'}
+        message = self._makeOne(
+            'testing', 'domain', mapping=mapping,
+            msgid_plural='testings', number=2)
+        self.assertEqual(message, 'testing')
+        self.assertEqual(message.domain, 'domain')
+        self.assertEqual(message.default, None)
+        self.assertEqual(message.mapping, mapping)
+        self.assertEqual(message.msgid_plural, 'testings')
+        self.assertEqual(message.default_plural, None)
+        self.assertEqual(message.number, 2)
+        if self._TEST_READONLY:
+            self.assertTrue(message._readonly)
+
     def test_values_with_float_for_number(self):
         mapping = {'key': 'value'}
         message = self._makeOne(