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authorVictor Stinner <victor.stinner@haypocalc.com>2010-05-22 02:12:28 (GMT)
committerVictor Stinner <victor.stinner@haypocalc.com>2010-05-22 02:12:28 (GMT)
commitf5a3eafaac77d897b702f0ae6dbb00b8449141f7 (patch)
treed840f700e48ce572538d5e50e88a43d67b5c9dd1 /Lib/test/test_codecs.py
parent9a4a01df756b7cde999214401e146600570b5cad (diff)
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Merged revisions 81459 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r81459 | victor.stinner | 2010-05-22 04:11:07 +0200 (sam., 22 mai 2010) | 3 lines Issue #6268: Fix seek() method of codecs.open(), don't read the BOM twice after seek(0) ........
Diffstat (limited to 'Lib/test/test_codecs.py')
-rw-r--r--Lib/test/test_codecs.py21
1 files changed, 21 insertions, 0 deletions
diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py
index 7c3a30b..47b80f7 100644
--- a/Lib/test/test_codecs.py
+++ b/Lib/test/test_codecs.py
@@ -1488,6 +1488,26 @@ class WithStmtTest(unittest.TestCase):
self.assertEquals(srw.read(), u"\xfc")
+class BomTest(unittest.TestCase):
+ def test_seek0(self):
+ data = "1234567890"
+ tests = ("utf-16",
+ "utf-16-le",
+ "utf-16-be",
+ "utf-32",
+ "utf-32-le",
+ "utf-32-be")
+ for encoding in tests:
+ with codecs.open('foo', 'wt+', encoding=encoding) as f:
+ # Check if the BOM is written only once
+ f.write(data)
+ f.write(data)
+ f.seek(0)
+ self.assertEquals(f.read(), data * 2)
+ f.seek(0)
+ self.assertEquals(f.read(), data * 2)
+
+
def test_main():
test_support.run_unittest(
UTF32Test,
@@ -1516,6 +1536,7 @@ def test_main():
BasicStrTest,
CharmapTest,
WithStmtTest,
+ BomTest,
)