commit 9fbec7ad5e8fcdd9dcc5abd496341b86d12a4472
author Serhiy Storchaka <storchaka@gmail.com> Sat Jan 18 15:53:05 2014 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Sat Jan 18 15:53:05 2014 +0200
tree deb922b10d5de919bd8387cfcfa5dea37cd76aa9
parent 53ad0cd2842b7327bde4ca04ee11c544e522ff43

Issue #20238: TarFile opened with external fileobj and "w:gz" mode didn't
write complete output on close.

Lib/test/test_tarfile.py

diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index 6986fc0..ceaa3aa 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -855,6 +855,12 @@
         tar.addfile(tarfile.TarInfo("foo"))
         tar.close()
         self.assertFalse(fobj.closed, "external fileobjs must never closed")
+        # Issue #20238: Incomplete gzip output with mode="w:gz"
+        data = fobj.getvalue()
+        del tar
+        support.gc_collect()
+        self.assertFalse(fobj.closed)
+        self.assertEqual(data, fobj.getvalue())
 
 
 class WriteTest(WriteTestBase, unittest.TestCase):