commit ad4f64d58c020016bd438de0e863a0d31d0f0dac
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Sun Jul 29 12:57:21 2018 -0700
committer GitHub <noreply@github.com> Sun Jul 29 12:57:21 2018 -0700
tree 320abfe70932278f7d99a3d47a2d5bceef0cdf65
parent 990de2f4ca734ddaa196e2af64caafb9c77f29e0

bpo-34035: Fix several AttributeError in zipfile seek() methods. (GH-8527)

(cherry picked from commit 3f8c6913b82ed9c05e57175bcbfeacde46c598e3)

Co-authored-by: Mickaël Schoentgen <contact@tiger-222.fr>

Lib/test/test_zipfile.py

diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
index 61c3e34..ac9a4ff 100644
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -1646,6 +1646,8 @@
                 self.assertEqual(fp.read(5), txt[bloc:bloc+5])
                 fp.seek(0, os.SEEK_END)
                 self.assertEqual(fp.tell(), len(txt))
+                fp.seek(0, os.SEEK_SET)
+                self.assertEqual(fp.tell(), 0)
         # Check seek on memory file
         data = io.BytesIO()
         with zipfile.ZipFile(data, mode="w") as zipf:
@@ -1661,6 +1663,8 @@
                 self.assertEqual(fp.read(5), txt[bloc:bloc+5])
                 fp.seek(0, os.SEEK_END)
                 self.assertEqual(fp.tell(), len(txt))
+                fp.seek(0, os.SEEK_SET)
+                self.assertEqual(fp.tell(), 0)
 
     def tearDown(self):
         unlink(TESTFN)