1 files changed, 85 insertions, 0 deletions
diff --git a/lib/python2.7/test/test_module.py b/lib/python2.7/test/test_module.py
new file mode 100644
index 0000000..21eaf3e
--- /dev/null
+++ b/lib/python2.7/test/test_module.py
@@ -0,0 +1,85 @@
+# Test the module type
+import unittest
+from test.test_support import run_unittest, gc_collect
+
+import sys
+ModuleType = type(sys)
+
+class ModuleTests(unittest.TestCase):
+    def test_uninitialized(self):
+        # An uninitialized module has no __dict__ or __name__,
+        # and __doc__ is None
+        foo = ModuleType.__new__(ModuleType)
+        self.assertTrue(foo.__dict__ is None)
+        self.assertRaises(SystemError, dir, foo)
+        try:
+            s = foo.__name__
+            self.fail("__name__ = %s" % repr(s))
+        except AttributeError:
+            pass
+        self.assertEqual(foo.__doc__, ModuleType.__doc__)
+
+    def test_no_docstring(self):
+        # Regularly initialized module, no docstring
+        foo = ModuleType("foo")
+        self.assertEqual(foo.__name__, "foo")
+        self.assertEqual(foo.__doc__, None)
+        self.assertEqual(foo.__dict__, {"__name__": "foo", "__doc__": None})
+
+    def test_ascii_docstring(self):
+        # ASCII docstring
+        foo = ModuleType("foo", "foodoc")
+        self.assertEqual(foo.__name__, "foo")
+        self.assertEqual(foo.__doc__, "foodoc")
+        self.assertEqual(foo.__dict__,
+                         {"__name__": "foo", "__doc__": "foodoc"})
+
+    def test_unicode_docstring(self):
+        # Unicode docstring
+        foo = ModuleType("foo", u"foodoc\u1234")
+        self.assertEqual(foo.__name__, "foo")
+        self.assertEqual(foo.__doc__, u"foodoc\u1234")
+        self.assertEqual(foo.__dict__,
+                         {"__name__": "foo", "__doc__": u"foodoc\u1234"})
+
+    def test_reinit(self):
+        # Reinitialization should not replace the __dict__
+        foo = ModuleType("foo", u"foodoc\u1234")
+        foo.bar = 42
+        d = foo.__dict__
+        foo.__init__("foo", "foodoc")
+        self.assertEqual(foo.__name__, "foo")
+        self.assertEqual(foo.__doc__, "foodoc")
+        self.assertEqual(foo.bar, 42)
+        self.assertEqual(foo.__dict__,
+              {"__name__": "foo", "__doc__": "foodoc", "bar": 42})
+        self.assertTrue(foo.__dict__ is d)
+
+    @unittest.expectedFailure
+    def test_dont_clear_dict(self):
+        # See issue 7140.
+        def f():
+            foo = ModuleType("foo")
+            foo.bar = 4
+            return foo
+        gc_collect()
+        self.assertEqual(f().__dict__["bar"], 4)
+
+    def test_clear_dict_in_ref_cycle(self):
+        destroyed = []
+        m = ModuleType("foo")
+        m.destroyed = destroyed
+        s = """class A:
+    def __del__(self, destroyed=destroyed):
+        destroyed.append(1)
+a = A()"""
+        exec(s, m.__dict__)
+        del m
+        gc_collect()
+        self.assertEqual(destroyed, [1])
+
+def test_main():
+    run_unittest(ModuleTests)
+
+if __name__ == '__main__':
+    test_main()