From caaff8d95d750afb4d66b9caece087b191219eb7 Mon Sep 17 00:00:00 2001
From: Tim Peters <tim.peters@gmail.com>
Date: Mon, 10 Sep 2001 23:12:14 +0000
Subject: test_dir():  Add tests for dir(i) where i is a module subclass.

---
 Lib/test/test_descr.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 1ff9060..0bed675 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -241,6 +241,29 @@ def test_dir():
     a.amethod = lambda self: 3
     verify(interesting(dir(a)) == astuff + ['adata', 'amethod'])
 
+    # Try a module subclass.
+    import sys
+    class M(type(sys)):
+        pass
+    minstance = M()
+    minstance.b = 2
+    minstance.a = 1
+    verify(dir(minstance) == ['a', 'b'])
+
+    class M2(M):
+        def getdict(self):
+            return "Not a dict!"
+        __dict__ = property(getdict)
+
+    m2instance = M2()
+    m2instance.b = 2
+    m2instance.a = 1
+    verify(m2instance.__dict__ == "Not a dict!")
+    try:
+        dir(m2instance)
+    except TypeError:
+        pass
+
 binops = {
     'add': '+',
     'sub': '-',
-- 
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