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annotate Lib/test/test_buffer.py @ 57303:4aa4c19dfaed legacy-trunk

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#1757126: fix typo with the cyrillic_asian alias
author Philip Jenvey <pjenvey@underboss.org>
date Tue, 17 Nov 2009 02:42:26 +0000
parents 9620134010a5
children 51102abdec50 7caf54ce529e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
42951
9620134010a5 Improve extended slicing support in builtin types and classes. Specifically:
Thomas Wouters <thomas@python.org>
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1 """Unit tests for buffer objects.
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2
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3 For now, tests just new or changed functionality.
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4
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5 """
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6
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7 import unittest
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8 from test import test_support
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9
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10 class BufferTests(unittest.TestCase):
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11
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12 def test_extended_getslice(self):
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13 # Test extended slicing by comparing with list slicing.
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14 s = "".join(chr(c) for c in list(range(255, -1, -1)))
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15 b = buffer(s)
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16 indices = (0, None, 1, 3, 19, 300, -1, -2, -31, -300)
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17 for start in indices:
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18 for stop in indices:
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19 # Skip step 0 (invalid)
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20 for step in indices[1:]:
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21 self.assertEqual(b[start:stop:step],
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22 s[start:stop:step])
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25 def test_main():
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26 test_support.run_unittest(BufferTests)
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27
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28 if __name__ == "__main__":
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29 test_main()