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Merged revisions 76593 via svnmerge from

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  r76593 | amaury.forgeotdarc | 2009-11-30 01:08:56 +0100 (lun., 30 nov. 2009) | 5 lines

  #6077: on Windows, fix truncation of a tempfile.TemporaryFile opened in "wt+" mode:
  files opened with os.open() stop on the first \x1a (Ctrl-Z) unless os.O_BINARY is used.

  Will backport to 3.1
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This commit is contained in:
Amaury Forgeot d'Arc 2009-11-30 00:16:44 +00:00
parent ac4a07c714
commit 36dfe78456
3 changed files with 16 additions and 12 deletions
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12
Lib/test/test_tempfile.py
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@ -309,8 +309,12 @@ class test__mkstemp_inner(TC):
if not has_textmode:
return # ugh, can't use SkipTest.
self.do_create(bin=0).write(b"blat\n")
# XXX should test that the file really is a text file
# A text file is truncated at the first Ctrl+Z byte
f = self.do_create(bin=0)
f.write(b"blat\x1a")
f.write(b"extra\n")
os.lseek(f.fd, 0, os.SEEK_SET)
self.assertEquals(os.read(f.fd, 20), b"blat")
test_classes.append(test__mkstemp_inner)
@ -761,6 +765,10 @@ class test_SpooledTemporaryFile(TC):
f.write("xyzzy\n")
f.seek(0)
self.assertEqual(f.read(), "abc\ndef\nxyzzy\n")
# Check that Ctrl+Z doesn't truncate the file
f.write("foo\x1abar\n")
f.seek(0)
self.assertEqual(f.read(), "abc\ndef\nxyzzy\nfoo\x1abar\n")
def test_text_newline_and_encoding(self):
f = tempfile.SpooledTemporaryFile(mode='w+', max_size=10,