commit bdec50f0277971830e307aff8090c1494a69f4ce
author Martin v. Löwis <martin@v.loewis.de> Tue Jun 08 08:29:33 2004 +0000
committer Martin v. Löwis <martin@v.loewis.de> Tue Jun 08 08:29:33 2004 +0000
tree 19ae2f89e1b093efd1062a997d9139c781b9d9a9
parent f30d60edbc0d5047a2fdd01e25868e4b814107e2

Feature request #935915: Add os.path.devnull.

Lib/test/test_os.py

diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 4cdc29d..b05bffc 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -334,6 +334,14 @@
 
         os.removedirs(path)
 
+class DevNullTests (unittest.TestCase):
+    def test_devnull(self):
+        f = file(os.devnull, 'w')
+        f.write('hello')
+        f.close()
+        f = file(os.devnull, 'r')
+        assert f.read() == ''
+        f.close()
 
 def test_main():
     test_support.run_unittest(
@@ -342,6 +350,7 @@
         EnvironTests,
         WalkTests,
         MakedirTests,
+        DevNullTests,
     )
 
 if __name__ == "__main__":