Mercurial > public > mercurial-scm > hg-stable
annotate tests/test-encoding-func.py @ 33944:f4433f2713d0
encoding: add function to test if a str consists of ASCII characters
Most strings are ASCII. Let's optimize for it.
Using uint64_t is slightly faster than uint32_t on 64bit system, but there
isn't huge difference.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 23 Apr 2017 12:59:42 +0900 |
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children | 853574db5b12 |
rev | line source |
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33944
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encoding: add function to test if a str consists of ASCII characters
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1 from __future__ import absolute_import |
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2 |
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3 import unittest |
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4 |
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5 from mercurial import ( |
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6 encoding, |
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7 ) |
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8 |
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9 class IsasciistrTest(unittest.TestCase): |
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10 asciistrs = [ |
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11 b'a', |
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12 b'ab', |
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13 b'abc', |
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14 b'abcd', |
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15 b'abcde', |
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16 b'abcdefghi', |
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17 b'abcd\0fghi', |
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18 ] |
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19 |
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20 def testascii(self): |
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21 for s in self.asciistrs: |
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22 self.assertTrue(encoding.isasciistr(s)) |
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23 |
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24 def testnonasciichar(self): |
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25 for s in self.asciistrs: |
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26 for i in range(len(s)): |
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27 t = bytearray(s) |
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28 t[i] |= 0x80 |
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29 self.assertFalse(encoding.isasciistr(bytes(t))) |
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30 |
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31 if __name__ == '__main__': |
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32 import silenttestrunner |
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33 silenttestrunner.main(__name__) |