Issue #13739: In os.listdir(), rewind the directory stream (so that listdir()
can be called again on the same open file).
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 3c863a7..07755b9 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -454,14 +454,22 @@
@unittest.skipUnless(hasattr(posix, 'fdlistdir'), "test needs posix.fdlistdir()")
def test_fdlistdir(self):
f = posix.open(posix.getcwd(), posix.O_RDONLY)
+ self.addCleanup(posix.close, f)
+ f1 = posix.dup(f)
self.assertEqual(
sorted(posix.listdir('.')),
- sorted(posix.fdlistdir(f))
+ sorted(posix.fdlistdir(f1))
)
# Check the fd was closed by fdlistdir
with self.assertRaises(OSError) as ctx:
- posix.close(f)
+ posix.close(f1)
self.assertEqual(ctx.exception.errno, errno.EBADF)
+ # Check that the fd offset was reset (issue #13739)
+ f2 = posix.dup(f)
+ self.assertEqual(
+ sorted(posix.listdir('.')),
+ sorted(posix.fdlistdir(f2))
+ )
def test_access(self):
if hasattr(posix, 'access'):