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Issue #8870: PyUnicode_AsWideCharString() doesn't count the trailing nul character

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And write unit tests for PyUnicode_AsWideChar() and PyUnicode_AsWideCharString().
This commit is contained in:
Victor Stinner 2010-10-02 11:03:13 +00:00
parent 5a2da3b3ad
commit 1c24bd0252
4 changed files with 105 additions and 11 deletions
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39
Lib/test/test_unicode.py
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@ -1394,6 +1394,45 @@ class UnicodeTest(string_tests.CommonTest,
'string, got a non-ASCII byte: 0xe9$',
format_unicode, b'unicode\xe9=%s', 'ascii')
# Test PyUnicode_AsWideChar()
def test_aswidechar(self):
from _testcapi import test_aswidechar
from ctypes import c_wchar, sizeof
wchar, size = test_aswidechar('abcdef', 2)
self.assertEquals(size, 2)
self.assertEquals(wchar, 'ab')
wchar, size = test_aswidechar('abc', 3)
self.assertEquals(size, 3)
self.assertEquals(wchar, 'abc')
wchar, size = test_aswidechar('abc', 4)
self.assertEquals(size, 3)
self.assertEquals(wchar, 'abc\0')
wchar, size = test_aswidechar('abc', 10)
self.assertEquals(size, 3)
self.assertEquals(wchar, 'abc\0')
wchar, size = test_aswidechar('abc\0def', 20)
self.assertEquals(size, 7)
self.assertEquals(wchar, 'abc\0def\0')
# Test PyUnicode_AsWideCharString()
def test_aswidecharstring(self):
from _testcapi import test_aswidecharstring
from ctypes import c_wchar, sizeof
wchar, size = test_aswidecharstring('abc')
self.assertEquals(size, 3)
self.assertEquals(wchar, 'abc\0')
wchar, size = test_aswidecharstring('abc\0def')
self.assertEquals(size, 7)
self.assertEquals(wchar, 'abc\0def\0')
def test_main():
support.run_unittest(__name__)