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Viewing changes to Lib/test/test_bytes.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-16 17:18:23 UTC
  • mfrom: (1.1.4 upstream)
  • Revision ID: james.westby@ubuntu.com-20090216171823-1d5cm5qnnjvmnzzm
Tags: 3.0.1-0ubuntu1
New upstream version.

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Lines of Context:
Lib/test/test_bytes.py
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        self.assertEqual(b, b"")
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        self.assertEqual(c, b"")
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    def test_resize_forbidden(self):
 
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        # #4509: can't resize a bytearray when there are buffer exports, even
 
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        # if it wouldn't reallocate the underlying buffer.
 
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        # Furthermore, no destructive changes to the buffer may be applied
 
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        # before raising the error.
 
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        b = bytearray(range(10))
 
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        v = memoryview(b)
 
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        def resize(n):
 
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            b[1:-1] = range(n + 1, 2*n - 1)
 
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        resize(10)
 
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        orig = b[:]
 
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        self.assertRaises(BufferError, resize, 11)
 
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        self.assertEquals(b, orig)
 
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        self.assertRaises(BufferError, resize, 9)
 
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        self.assertEquals(b, orig)
 
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        self.assertRaises(BufferError, resize, 0)
 
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        self.assertEquals(b, orig)
 
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        # Other operations implying resize
 
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        self.assertRaises(BufferError, b.pop, 0)
 
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        self.assertEquals(b, orig)
 
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        self.assertRaises(BufferError, b.remove, b[1])
 
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        self.assertEquals(b, orig)
 
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        def delitem():
 
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            del b[1]
 
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        self.assertRaises(BufferError, delitem)
 
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        self.assertEquals(b, orig)
 
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        # deleting a non-contiguous slice
 
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        def delslice():
 
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            b[1:-1:2] = b""
 
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        self.assertRaises(BufferError, delslice)
 
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        self.assertEquals(b, orig)
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class AssortedBytesTest(unittest.TestCase):
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    #
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    def test_translate(self):
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        b = b'hello'
 
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        ba = bytearray(b)
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        rosetta = bytearray(range(0, 256))
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        rosetta[ord('o')] = ord('e')
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        c = b.translate(rosetta, b'l')
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        self.assertEqual(b, b'hello')
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        self.assertEqual(c, b'hee')
 
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        c = ba.translate(rosetta, b'l')
 
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        self.assertEqual(ba, b'hello')
 
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        self.assertEqual(c, b'hee')
 
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        c = b.translate(None, b'e')
 
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        self.assertEqual(c, b'hllo')
 
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        self.assertRaises(TypeError, b.translate, b'a'*256, None)
 
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        self.assertRaises(TypeError, ba.translate, b'a'*256, None)
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    def test_split_bytearray(self):
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        self.assertEqual(b'a b'.split(memoryview(b' ')), [b'a', b'b'])