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Code Issues Projects Releases Packages Wiki Activity Actions 15

Issue #28822: Adjust indices handling of PyUnicode_FindChar().

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This commit is contained in:
Xiang Zhang 2016-12-20 22:52:33 +08:00
parent 38f225dd48
commit b211068f5c
5 changed files with 55 additions and 8 deletions
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23
Lib/test/test_unicode.py
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@ -2728,6 +2728,29 @@ class CAPITest(unittest.TestCase):
self.assertEqual(unicode_asucs4(s, len(s), 1), s+'\0')
self.assertEqual(unicode_asucs4(s, len(s), 0), s+'\uffff')
# Test PyUnicode_FindChar()
@support.cpython_only
def test_findchar(self):
from _testcapi import unicode_findchar
for str in "\xa1", "\u8000\u8080", "\ud800\udc02", "\U0001f100\U0001f1f1":
for i, ch in enumerate(str):
self.assertEqual(unicode_findchar(str, ord(ch), 0, len(str), 1), i)
self.assertEqual(unicode_findchar(str, ord(ch), 0, len(str), -1), i)
str = "!>_<!"
self.assertEqual(unicode_findchar(str, 0x110000, 0, len(str), 1), -1)
self.assertEqual(unicode_findchar(str, 0x110000, 0, len(str), -1), -1)
# start < end
self.assertEqual(unicode_findchar(str, ord('!'), 1, len(str)+1, 1), 4)
self.assertEqual(unicode_findchar(str, ord('!'), 1, len(str)+1, -1), 4)
# start >= end
self.assertEqual(unicode_findchar(str, ord('!'), 0, 0, 1), -1)
self.assertEqual(unicode_findchar(str, ord('!'), len(str), 0, 1), -1)
# negative
self.assertEqual(unicode_findchar(str, ord('!'), -len(str), -1, 1), 0)
self.assertEqual(unicode_findchar(str, ord('!'), -len(str), -1, -1), 0)
# Test PyUnicode_CopyCharacters()
@support.cpython_only
def test_copycharacters(self):