| 1 | """Unit tests for the bytes and bytearray types.
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| 2 |
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| 3 | XXX This is a mess. Common tests should be moved to buffer_tests.py,
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| 4 | which itself ought to be unified with string_tests.py (and the latter
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| 5 | should be modernized).
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| 6 | """
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| 7 |
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| 8 | import os
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| 9 | import re
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| 10 | import sys
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| 11 | import copy
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| 12 | import functools
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| 13 | import pickle
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| 14 | import tempfile
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| 15 | import unittest
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| 16 | import test.test_support
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| 17 | import test.string_tests
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| 18 | import test.buffer_tests
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| 19 |
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| 20 |
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| 21 | if sys.flags.bytes_warning:
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| 22 | def check_bytes_warnings(func):
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| 23 | @functools.wraps(func)
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| 24 | def wrapper(*args, **kw):
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| 25 | with test.test_support.check_warnings(('', BytesWarning)):
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| 26 | return func(*args, **kw)
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| 27 | return wrapper
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| 28 | else:
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| 29 | # no-op
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| 30 | def check_bytes_warnings(func):
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| 31 | return func
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| 32 |
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| 33 |
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| 34 | class Indexable:
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| 35 | def __init__(self, value=0):
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| 36 | self.value = value
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| 37 | def __index__(self):
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| 38 | return self.value
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| 39 |
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| 40 |
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| 41 | class BaseBytesTest(unittest.TestCase):
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| 42 |
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| 43 | def test_basics(self):
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| 44 | b = self.type2test()
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| 45 | self.assertEqual(type(b), self.type2test)
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| 46 | self.assertEqual(b.__class__, self.type2test)
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| 47 |
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| 48 | def test_empty_sequence(self):
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| 49 | b = self.type2test()
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| 50 | self.assertEqual(len(b), 0)
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| 51 | self.assertRaises(IndexError, lambda: b[0])
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| 52 | self.assertRaises(IndexError, lambda: b[1])
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| 53 | self.assertRaises(IndexError, lambda: b[sys.maxint])
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| 54 | self.assertRaises(IndexError, lambda: b[sys.maxint+1])
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| 55 | self.assertRaises(IndexError, lambda: b[10**100])
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| 56 | self.assertRaises(IndexError, lambda: b[-1])
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| 57 | self.assertRaises(IndexError, lambda: b[-2])
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| 58 | self.assertRaises(IndexError, lambda: b[-sys.maxint])
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| 59 | self.assertRaises(IndexError, lambda: b[-sys.maxint-1])
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| 60 | self.assertRaises(IndexError, lambda: b[-sys.maxint-2])
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| 61 | self.assertRaises(IndexError, lambda: b[-10**100])
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| 62 |
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| 63 | def test_from_list(self):
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| 64 | ints = list(range(256))
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| 65 | b = self.type2test(i for i in ints)
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| 66 | self.assertEqual(len(b), 256)
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| 67 | self.assertEqual(list(b), ints)
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| 68 |
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| 69 | def test_from_index(self):
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| 70 | b = self.type2test([Indexable(), Indexable(1), Indexable(254),
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| 71 | Indexable(255)])
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| 72 | self.assertEqual(list(b), [0, 1, 254, 255])
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| 73 | self.assertRaises(ValueError, self.type2test, [Indexable(-1)])
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| 74 | self.assertRaises(ValueError, self.type2test, [Indexable(256)])
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| 75 |
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| 76 | def test_from_ssize(self):
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| 77 | self.assertEqual(self.type2test(0), b'')
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| 78 | self.assertEqual(self.type2test(1), b'\x00')
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| 79 | self.assertEqual(self.type2test(5), b'\x00\x00\x00\x00\x00')
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| 80 | self.assertRaises(ValueError, self.type2test, -1)
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| 81 |
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| 82 | self.assertEqual(self.type2test('0', 'ascii'), b'0')
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| 83 | self.assertEqual(self.type2test(b'0'), b'0')
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| 84 | self.assertRaises(OverflowError, self.type2test, sys.maxsize + 1)
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| 85 |
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| 86 | def test_constructor_type_errors(self):
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| 87 | self.assertRaises(TypeError, self.type2test, 0.0)
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| 88 | class C:
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| 89 | pass
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| 90 | # allowed in 2.x
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| 91 | #self.assertRaises(TypeError, self.type2test, ["0"])
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| 92 | self.assertRaises(TypeError, self.type2test, [0.0])
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| 93 | self.assertRaises(TypeError, self.type2test, [None])
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| 94 | self.assertRaises(TypeError, self.type2test, [C()])
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| 95 |
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| 96 | def test_constructor_value_errors(self):
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| 97 | self.assertRaises(ValueError, self.type2test, [-1])
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| 98 | self.assertRaises(ValueError, self.type2test, [-sys.maxint])
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| 99 | self.assertRaises(ValueError, self.type2test, [-sys.maxint-1])
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| 100 | self.assertRaises(ValueError, self.type2test, [-sys.maxint-2])
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| 101 | self.assertRaises(ValueError, self.type2test, [-10**100])
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| 102 | self.assertRaises(ValueError, self.type2test, [256])
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| 103 | self.assertRaises(ValueError, self.type2test, [257])
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| 104 | self.assertRaises(ValueError, self.type2test, [sys.maxint])
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| 105 | self.assertRaises(ValueError, self.type2test, [sys.maxint+1])
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| 106 | self.assertRaises(ValueError, self.type2test, [10**100])
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| 107 |
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| 108 | def test_compare(self):
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| 109 | b1 = self.type2test([1, 2, 3])
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| 110 | b2 = self.type2test([1, 2, 3])
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| 111 | b3 = self.type2test([1, 3])
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| 112 |
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| 113 | self.assertEqual(b1, b2)
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| 114 | self.assertTrue(b2 != b3)
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| 115 | self.assertTrue(b1 <= b2)
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| 116 | self.assertTrue(b1 <= b3)
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| 117 | self.assertTrue(b1 < b3)
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| 118 | self.assertTrue(b1 >= b2)
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| 119 | self.assertTrue(b3 >= b2)
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| 120 | self.assertTrue(b3 > b2)
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| 121 |
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| 122 | self.assertFalse(b1 != b2)
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| 123 | self.assertFalse(b2 == b3)
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| 124 | self.assertFalse(b1 > b2)
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| 125 | self.assertFalse(b1 > b3)
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| 126 | self.assertFalse(b1 >= b3)
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| 127 | self.assertFalse(b1 < b2)
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| 128 | self.assertFalse(b3 < b2)
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| 129 | self.assertFalse(b3 <= b2)
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| 130 |
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| 131 | @check_bytes_warnings
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| 132 | def test_compare_to_str(self):
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| 133 | # Byte comparisons with unicode should always fail!
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| 134 | # Test this for all expected byte orders and Unicode character sizes
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| 135 | self.assertEqual(self.type2test(b"\0a\0b\0c") == u"abc", False)
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| 136 | self.assertEqual(self.type2test(b"\0\0\0a\0\0\0b\0\0\0c") == u"abc", False)
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| 137 | self.assertEqual(self.type2test(b"a\0b\0c\0") == u"abc", False)
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| 138 | self.assertEqual(self.type2test(b"a\0\0\0b\0\0\0c\0\0\0") == u"abc", False)
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| 139 | self.assertEqual(self.type2test() == unicode(), False)
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| 140 | self.assertEqual(self.type2test() != unicode(), True)
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| 141 |
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| 142 | def test_reversed(self):
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| 143 | input = list(map(ord, "Hello"))
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| 144 | b = self.type2test(input)
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| 145 | output = list(reversed(b))
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| 146 | input.reverse()
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| 147 | self.assertEqual(output, input)
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| 148 |
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| 149 | def test_getslice(self):
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| 150 | def by(s):
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| 151 | return self.type2test(map(ord, s))
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| 152 | b = by("Hello, world")
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| 153 |
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| 154 | self.assertEqual(b[:5], by("Hello"))
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| 155 | self.assertEqual(b[1:5], by("ello"))
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| 156 | self.assertEqual(b[5:7], by(", "))
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| 157 | self.assertEqual(b[7:], by("world"))
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| 158 | self.assertEqual(b[7:12], by("world"))
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| 159 | self.assertEqual(b[7:100], by("world"))
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| 160 |
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| 161 | self.assertEqual(b[:-7], by("Hello"))
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| 162 | self.assertEqual(b[-11:-7], by("ello"))
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| 163 | self.assertEqual(b[-7:-5], by(", "))
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| 164 | self.assertEqual(b[-5:], by("world"))
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| 165 | self.assertEqual(b[-5:12], by("world"))
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| 166 | self.assertEqual(b[-5:100], by("world"))
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| 167 | self.assertEqual(b[-100:5], by("Hello"))
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| 168 |
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| 169 | def test_extended_getslice(self):
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| 170 | # Test extended slicing by comparing with list slicing.
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| 171 | L = list(range(255))
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| 172 | b = self.type2test(L)
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| 173 | indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)
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| 174 | for start in indices:
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| 175 | for stop in indices:
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| 176 | # Skip step 0 (invalid)
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| 177 | for step in indices[1:]:
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| 178 | self.assertEqual(b[start:stop:step], self.type2test(L[start:stop:step]))
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| 179 |
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| 180 | def test_encoding(self):
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| 181 | sample = u"Hello world\n\u1234\u5678\u9abc\udef0"
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| 182 | for enc in ("utf8", "utf16"):
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| 183 | b = self.type2test(sample, enc)
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| 184 | self.assertEqual(b, self.type2test(sample.encode(enc)))
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| 185 | self.assertRaises(UnicodeEncodeError, self.type2test, sample, "latin1")
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| 186 | b = self.type2test(sample, "latin1", "ignore")
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| 187 | self.assertEqual(b, self.type2test(sample[:-4], "utf-8"))
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| 188 |
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| 189 | def test_decode(self):
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| 190 | sample = u"Hello world\n\u1234\u5678\u9abc\def0\def0"
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| 191 | for enc in ("utf8", "utf16"):
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| 192 | b = self.type2test(sample, enc)
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| 193 | self.assertEqual(b.decode(enc), sample)
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| 194 | sample = u"Hello world\n\x80\x81\xfe\xff"
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| 195 | b = self.type2test(sample, "latin1")
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| 196 | self.assertRaises(UnicodeDecodeError, b.decode, "utf8")
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| 197 | self.assertEqual(b.decode("utf8", "ignore"), "Hello world\n")
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| 198 | self.assertEqual(b.decode(errors="ignore", encoding="utf8"),
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| 199 | "Hello world\n")
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| 200 |
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| 201 | def test_from_int(self):
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| 202 | b = self.type2test(0)
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| 203 | self.assertEqual(b, self.type2test())
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| 204 | b = self.type2test(10)
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| 205 | self.assertEqual(b, self.type2test([0]*10))
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| 206 | b = self.type2test(10000)
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| 207 | self.assertEqual(b, self.type2test([0]*10000))
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| 208 |
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| 209 | def test_concat(self):
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| 210 | b1 = self.type2test(b"abc")
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| 211 | b2 = self.type2test(b"def")
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| 212 | self.assertEqual(b1 + b2, b"abcdef")
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| 213 | self.assertEqual(b1 + bytes(b"def"), b"abcdef")
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| 214 | self.assertEqual(bytes(b"def") + b1, b"defabc")
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| 215 | self.assertRaises(TypeError, lambda: b1 + u"def")
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| 216 | self.assertRaises(TypeError, lambda: u"abc" + b2)
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| 217 |
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| 218 | def test_repeat(self):
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| 219 | for b in b"abc", self.type2test(b"abc"):
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| 220 | self.assertEqual(b * 3, b"abcabcabc")
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| 221 | self.assertEqual(b * 0, b"")
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| 222 | self.assertEqual(b * -1, b"")
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| 223 | self.assertRaises(TypeError, lambda: b * 3.14)
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| 224 | self.assertRaises(TypeError, lambda: 3.14 * b)
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| 225 | # XXX Shouldn't bytes and bytearray agree on what to raise?
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| 226 | self.assertRaises((OverflowError, MemoryError),
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| 227 | lambda: b * sys.maxsize)
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| 228 |
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| 229 | def test_repeat_1char(self):
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| 230 | self.assertEqual(self.type2test(b'x')*100, self.type2test([ord('x')]*100))
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| 231 |
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| 232 | def test_contains(self):
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| 233 | b = self.type2test(b"abc")
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| 234 | self.assertIn(ord('a'), b)
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| 235 | self.assertIn(int(ord('a')), b)
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| 236 | self.assertNotIn(200, b)
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| 237 | self.assertRaises(ValueError, lambda: 300 in b)
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| 238 | self.assertRaises(ValueError, lambda: -1 in b)
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| 239 | self.assertRaises(TypeError, lambda: None in b)
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| 240 | self.assertRaises(TypeError, lambda: float(ord('a')) in b)
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| 241 | self.assertRaises(TypeError, lambda: u"a" in b)
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| 242 | for f in bytes, bytearray:
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| 243 | self.assertIn(f(b""), b)
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| 244 | self.assertIn(f(b"a"), b)
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| 245 | self.assertIn(f(b"b"), b)
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| 246 | self.assertIn(f(b"c"), b)
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| 247 | self.assertIn(f(b"ab"), b)
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| 248 | self.assertIn(f(b"bc"), b)
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| 249 | self.assertIn(f(b"abc"), b)
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| 250 | self.assertNotIn(f(b"ac"), b)
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| 251 | self.assertNotIn(f(b"d"), b)
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| 252 | self.assertNotIn(f(b"dab"), b)
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| 253 | self.assertNotIn(f(b"abd"), b)
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| 254 |
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| 255 | def test_fromhex(self):
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| 256 | self.assertRaises(TypeError, self.type2test.fromhex)
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| 257 | self.assertRaises(TypeError, self.type2test.fromhex, 1)
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| 258 | self.assertEqual(self.type2test.fromhex(u''), self.type2test())
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| 259 | b = bytearray([0x1a, 0x2b, 0x30])
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| 260 | self.assertEqual(self.type2test.fromhex(u'1a2B30'), b)
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| 261 | self.assertEqual(self.type2test.fromhex(u' 1A 2B 30 '), b)
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| 262 | self.assertEqual(self.type2test.fromhex(u'0000'), b'\0\0')
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| 263 | self.assertRaises(ValueError, self.type2test.fromhex, u'a')
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| 264 | self.assertRaises(ValueError, self.type2test.fromhex, u'rt')
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| 265 | self.assertRaises(ValueError, self.type2test.fromhex, u'1a b cd')
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| 266 | self.assertRaises(ValueError, self.type2test.fromhex, u'\x00')
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| 267 | self.assertRaises(ValueError, self.type2test.fromhex, u'12 \x00 34')
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| 268 |
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| 269 | def test_join(self):
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| 270 | self.assertEqual(self.type2test(b"").join([]), b"")
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| 271 | self.assertEqual(self.type2test(b"").join([b""]), b"")
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| 272 | for lst in [[b"abc"], [b"a", b"bc"], [b"ab", b"c"], [b"a", b"b", b"c"]]:
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| 273 | lst = list(map(self.type2test, lst))
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| 274 | self.assertEqual(self.type2test(b"").join(lst), b"abc")
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| 275 | self.assertEqual(self.type2test(b"").join(tuple(lst)), b"abc")
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| 276 | self.assertEqual(self.type2test(b"").join(iter(lst)), b"abc")
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| 277 | self.assertEqual(self.type2test(b".").join([b"ab", b"cd"]), b"ab.cd")
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| 278 | # XXX more...
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| 279 |
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| 280 | def test_count(self):
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| 281 | b = self.type2test(b'mississippi')
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| 282 | self.assertEqual(b.count(b'i'), 4)
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| 283 | self.assertEqual(b.count(b'ss'), 2)
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| 284 | self.assertEqual(b.count(b'w'), 0)
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| 285 |
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| 286 | def test_startswith(self):
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| 287 | b = self.type2test(b'hello')
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| 288 | self.assertFalse(self.type2test().startswith(b"anything"))
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| 289 | self.assertTrue(b.startswith(b"hello"))
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| 290 | self.assertTrue(b.startswith(b"hel"))
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| 291 | self.assertTrue(b.startswith(b"h"))
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| 292 | self.assertFalse(b.startswith(b"hellow"))
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| 293 | self.assertFalse(b.startswith(b"ha"))
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| 294 |
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| 295 | def test_endswith(self):
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| 296 | b = self.type2test(b'hello')
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| 297 | self.assertFalse(bytearray().endswith(b"anything"))
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| 298 | self.assertTrue(b.endswith(b"hello"))
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| 299 | self.assertTrue(b.endswith(b"llo"))
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| 300 | self.assertTrue(b.endswith(b"o"))
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| 301 | self.assertFalse(b.endswith(b"whello"))
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| 302 | self.assertFalse(b.endswith(b"no"))
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| 303 |
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| 304 | def test_find(self):
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| 305 | b = self.type2test(b'mississippi')
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| 306 | self.assertEqual(b.find(b'ss'), 2)
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| 307 | self.assertEqual(b.find(b'ss', 3), 5)
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| 308 | self.assertEqual(b.find(b'ss', 1, 7), 2)
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| 309 | self.assertEqual(b.find(b'ss', 1, 3), -1)
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| 310 | self.assertEqual(b.find(b'w'), -1)
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| 311 | self.assertEqual(b.find(b'mississippian'), -1)
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| 312 |
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| 313 | def test_rfind(self):
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| 314 | b = self.type2test(b'mississippi')
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| 315 | self.assertEqual(b.rfind(b'ss'), 5)
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| 316 | self.assertEqual(b.rfind(b'ss', 3), 5)
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| 317 | self.assertEqual(b.rfind(b'ss', 0, 6), 2)
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| 318 | self.assertEqual(b.rfind(b'w'), -1)
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| 319 | self.assertEqual(b.rfind(b'mississippian'), -1)
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| 320 |
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| 321 | def test_index(self):
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| 322 | b = self.type2test(b'world')
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| 323 | self.assertEqual(b.index(b'w'), 0)
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| 324 | self.assertEqual(b.index(b'orl'), 1)
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| 325 | self.assertRaises(ValueError, b.index, b'worm')
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| 326 | self.assertRaises(ValueError, b.index, b'ldo')
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| 327 |
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| 328 | def test_rindex(self):
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| 329 | # XXX could be more rigorous
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| 330 | b = self.type2test(b'world')
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| 331 | self.assertEqual(b.rindex(b'w'), 0)
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| 332 | self.assertEqual(b.rindex(b'orl'), 1)
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| 333 | self.assertRaises(ValueError, b.rindex, b'worm')
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| 334 | self.assertRaises(ValueError, b.rindex, b'ldo')
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| 335 |
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| 336 | def test_replace(self):
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| 337 | b = self.type2test(b'mississippi')
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| 338 | self.assertEqual(b.replace(b'i', b'a'), b'massassappa')
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| 339 | self.assertEqual(b.replace(b'ss', b'x'), b'mixixippi')
|
|---|
| 340 |
|
|---|
| 341 | def test_split(self):
|
|---|
| 342 | b = self.type2test(b'mississippi')
|
|---|
| 343 | self.assertEqual(b.split(b'i'), [b'm', b'ss', b'ss', b'pp', b''])
|
|---|
| 344 | self.assertEqual(b.split(b'ss'), [b'mi', b'i', b'ippi'])
|
|---|
| 345 | self.assertEqual(b.split(b'w'), [b])
|
|---|
| 346 |
|
|---|
| 347 | def test_split_whitespace(self):
|
|---|
| 348 | for b in (b' arf barf ', b'arf\tbarf', b'arf\nbarf', b'arf\rbarf',
|
|---|
| 349 | b'arf\fbarf', b'arf\vbarf'):
|
|---|
| 350 | b = self.type2test(b)
|
|---|
| 351 | self.assertEqual(b.split(), [b'arf', b'barf'])
|
|---|
| 352 | self.assertEqual(b.split(None), [b'arf', b'barf'])
|
|---|
| 353 | self.assertEqual(b.split(None, 2), [b'arf', b'barf'])
|
|---|
| 354 | for b in (b'a\x1Cb', b'a\x1Db', b'a\x1Eb', b'a\x1Fb'):
|
|---|
| 355 | b = self.type2test(b)
|
|---|
| 356 | self.assertEqual(b.split(), [b])
|
|---|
| 357 | self.assertEqual(self.type2test(b' a bb c ').split(None, 0), [b'a bb c '])
|
|---|
| 358 | self.assertEqual(self.type2test(b' a bb c ').split(None, 1), [b'a', b'bb c '])
|
|---|
| 359 | self.assertEqual(self.type2test(b' a bb c ').split(None, 2), [b'a', b'bb', b'c '])
|
|---|
| 360 | self.assertEqual(self.type2test(b' a bb c ').split(None, 3), [b'a', b'bb', b'c'])
|
|---|
| 361 |
|
|---|
| 362 | def test_split_string_error(self):
|
|---|
| 363 | self.assertRaises(TypeError, self.type2test(b'a b').split, u' ')
|
|---|
| 364 |
|
|---|
| 365 | def test_split_unicodewhitespace(self):
|
|---|
| 366 | b = self.type2test(b"\x09\x0A\x0B\x0C\x0D\x1C\x1D\x1E\x1F")
|
|---|
| 367 | self.assertEqual(b.split(), [b'\x1c\x1d\x1e\x1f'])
|
|---|
| 368 |
|
|---|
| 369 | def test_rsplit(self):
|
|---|
| 370 | b = self.type2test(b'mississippi')
|
|---|
| 371 | self.assertEqual(b.rsplit(b'i'), [b'm', b'ss', b'ss', b'pp', b''])
|
|---|
| 372 | self.assertEqual(b.rsplit(b'ss'), [b'mi', b'i', b'ippi'])
|
|---|
| 373 | self.assertEqual(b.rsplit(b'w'), [b])
|
|---|
| 374 |
|
|---|
| 375 | def test_rsplit_whitespace(self):
|
|---|
| 376 | for b in (b' arf barf ', b'arf\tbarf', b'arf\nbarf', b'arf\rbarf',
|
|---|
| 377 | b'arf\fbarf', b'arf\vbarf'):
|
|---|
| 378 | b = self.type2test(b)
|
|---|
| 379 | self.assertEqual(b.rsplit(), [b'arf', b'barf'])
|
|---|
| 380 | self.assertEqual(b.rsplit(None), [b'arf', b'barf'])
|
|---|
| 381 | self.assertEqual(b.rsplit(None, 2), [b'arf', b'barf'])
|
|---|
| 382 | self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 0), [b' a bb c'])
|
|---|
| 383 | self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 1), [b' a bb', b'c'])
|
|---|
| 384 | self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 2), [b' a', b'bb', b'c'])
|
|---|
| 385 | self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 3), [b'a', b'bb', b'c'])
|
|---|
| 386 |
|
|---|
| 387 | def test_rsplit_string_error(self):
|
|---|
| 388 | self.assertRaises(TypeError, self.type2test(b'a b').rsplit, u' ')
|
|---|
| 389 |
|
|---|
| 390 | def test_rsplit_unicodewhitespace(self):
|
|---|
| 391 | b = self.type2test(b"\x09\x0A\x0B\x0C\x0D\x1C\x1D\x1E\x1F")
|
|---|
| 392 | self.assertEqual(b.rsplit(), [b'\x1c\x1d\x1e\x1f'])
|
|---|
| 393 |
|
|---|
| 394 | def test_partition(self):
|
|---|
| 395 | b = self.type2test(b'mississippi')
|
|---|
| 396 | self.assertEqual(b.partition(b'ss'), (b'mi', b'ss', b'issippi'))
|
|---|
| 397 | self.assertEqual(b.partition(b'w'), (b'mississippi', b'', b''))
|
|---|
| 398 |
|
|---|
| 399 | def test_rpartition(self):
|
|---|
| 400 | b = self.type2test(b'mississippi')
|
|---|
| 401 | self.assertEqual(b.rpartition(b'ss'), (b'missi', b'ss', b'ippi'))
|
|---|
| 402 | self.assertEqual(b.rpartition(b'i'), (b'mississipp', b'i', b''))
|
|---|
| 403 | self.assertEqual(b.rpartition(b'w'), (b'', b'', b'mississippi'))
|
|---|
| 404 |
|
|---|
| 405 | def test_pickling(self):
|
|---|
| 406 | for proto in range(pickle.HIGHEST_PROTOCOL + 1):
|
|---|
| 407 | for b in b"", b"a", b"abc", b"\xffab\x80", b"\0\0\377\0\0":
|
|---|
| 408 | b = self.type2test(b)
|
|---|
| 409 | ps = pickle.dumps(b, proto)
|
|---|
| 410 | q = pickle.loads(ps)
|
|---|
| 411 | self.assertEqual(b, q)
|
|---|
| 412 |
|
|---|
| 413 | def test_strip(self):
|
|---|
| 414 | b = self.type2test(b'mississippi')
|
|---|
| 415 | self.assertEqual(b.strip(b'i'), b'mississipp')
|
|---|
| 416 | self.assertEqual(b.strip(b'm'), b'ississippi')
|
|---|
| 417 | self.assertEqual(b.strip(b'pi'), b'mississ')
|
|---|
| 418 | self.assertEqual(b.strip(b'im'), b'ssissipp')
|
|---|
| 419 | self.assertEqual(b.strip(b'pim'), b'ssiss')
|
|---|
| 420 | self.assertEqual(b.strip(b), b'')
|
|---|
| 421 |
|
|---|
| 422 | def test_lstrip(self):
|
|---|
| 423 | b = self.type2test(b'mississippi')
|
|---|
| 424 | self.assertEqual(b.lstrip(b'i'), b'mississippi')
|
|---|
| 425 | self.assertEqual(b.lstrip(b'm'), b'ississippi')
|
|---|
| 426 | self.assertEqual(b.lstrip(b'pi'), b'mississippi')
|
|---|
| 427 | self.assertEqual(b.lstrip(b'im'), b'ssissippi')
|
|---|
| 428 | self.assertEqual(b.lstrip(b'pim'), b'ssissippi')
|
|---|
| 429 |
|
|---|
| 430 | def test_rstrip(self):
|
|---|
| 431 | b = self.type2test(b'mississippi')
|
|---|
| 432 | self.assertEqual(b.rstrip(b'i'), b'mississipp')
|
|---|
| 433 | self.assertEqual(b.rstrip(b'm'), b'mississippi')
|
|---|
| 434 | self.assertEqual(b.rstrip(b'pi'), b'mississ')
|
|---|
| 435 | self.assertEqual(b.rstrip(b'im'), b'mississipp')
|
|---|
| 436 | self.assertEqual(b.rstrip(b'pim'), b'mississ')
|
|---|
| 437 |
|
|---|
| 438 | def test_strip_whitespace(self):
|
|---|
| 439 | b = self.type2test(b' \t\n\r\f\vabc \t\n\r\f\v')
|
|---|
| 440 | self.assertEqual(b.strip(), b'abc')
|
|---|
| 441 | self.assertEqual(b.lstrip(), b'abc \t\n\r\f\v')
|
|---|
| 442 | self.assertEqual(b.rstrip(), b' \t\n\r\f\vabc')
|
|---|
| 443 |
|
|---|
| 444 | def test_strip_bytearray(self):
|
|---|
| 445 | self.assertEqual(self.type2test(b'abc').strip(memoryview(b'ac')), b'b')
|
|---|
| 446 | self.assertEqual(self.type2test(b'abc').lstrip(memoryview(b'ac')), b'bc')
|
|---|
| 447 | self.assertEqual(self.type2test(b'abc').rstrip(memoryview(b'ac')), b'ab')
|
|---|
| 448 |
|
|---|
| 449 | def test_strip_string_error(self):
|
|---|
| 450 | self.assertRaises(TypeError, self.type2test(b'abc').strip, u'b')
|
|---|
| 451 | self.assertRaises(TypeError, self.type2test(b'abc').lstrip, u'b')
|
|---|
| 452 | self.assertRaises(TypeError, self.type2test(b'abc').rstrip, u'b')
|
|---|
| 453 |
|
|---|
| 454 | def test_ord(self):
|
|---|
| 455 | b = self.type2test(b'\0A\x7f\x80\xff')
|
|---|
| 456 | self.assertEqual([ord(b[i:i+1]) for i in range(len(b))],
|
|---|
| 457 | [0, 65, 127, 128, 255])
|
|---|
| 458 |
|
|---|
| 459 | def test_none_arguments(self):
|
|---|
| 460 | # issue 11828
|
|---|
| 461 | b = self.type2test(b'hello')
|
|---|
| 462 | l = self.type2test(b'l')
|
|---|
| 463 | h = self.type2test(b'h')
|
|---|
| 464 | x = self.type2test(b'x')
|
|---|
| 465 | o = self.type2test(b'o')
|
|---|
| 466 |
|
|---|
| 467 | self.assertEqual(2, b.find(l, None))
|
|---|
| 468 | self.assertEqual(3, b.find(l, -2, None))
|
|---|
| 469 | self.assertEqual(2, b.find(l, None, -2))
|
|---|
| 470 | self.assertEqual(0, b.find(h, None, None))
|
|---|
| 471 |
|
|---|
| 472 | self.assertEqual(3, b.rfind(l, None))
|
|---|
| 473 | self.assertEqual(3, b.rfind(l, -2, None))
|
|---|
| 474 | self.assertEqual(2, b.rfind(l, None, -2))
|
|---|
| 475 | self.assertEqual(0, b.rfind(h, None, None))
|
|---|
| 476 |
|
|---|
| 477 | self.assertEqual(2, b.index(l, None))
|
|---|
| 478 | self.assertEqual(3, b.index(l, -2, None))
|
|---|
| 479 | self.assertEqual(2, b.index(l, None, -2))
|
|---|
| 480 | self.assertEqual(0, b.index(h, None, None))
|
|---|
| 481 |
|
|---|
| 482 | self.assertEqual(3, b.rindex(l, None))
|
|---|
| 483 | self.assertEqual(3, b.rindex(l, -2, None))
|
|---|
| 484 | self.assertEqual(2, b.rindex(l, None, -2))
|
|---|
| 485 | self.assertEqual(0, b.rindex(h, None, None))
|
|---|
| 486 |
|
|---|
| 487 | self.assertEqual(2, b.count(l, None))
|
|---|
| 488 | self.assertEqual(1, b.count(l, -2, None))
|
|---|
| 489 | self.assertEqual(1, b.count(l, None, -2))
|
|---|
| 490 | self.assertEqual(0, b.count(x, None, None))
|
|---|
| 491 |
|
|---|
| 492 | self.assertEqual(True, b.endswith(o, None))
|
|---|
| 493 | self.assertEqual(True, b.endswith(o, -2, None))
|
|---|
| 494 | self.assertEqual(True, b.endswith(l, None, -2))
|
|---|
| 495 | self.assertEqual(False, b.endswith(x, None, None))
|
|---|
| 496 |
|
|---|
| 497 | self.assertEqual(True, b.startswith(h, None))
|
|---|
| 498 | self.assertEqual(True, b.startswith(l, -2, None))
|
|---|
| 499 | self.assertEqual(True, b.startswith(h, None, -2))
|
|---|
| 500 | self.assertEqual(False, b.startswith(x, None, None))
|
|---|
| 501 |
|
|---|
| 502 | def test_find_etc_raise_correct_error_messages(self):
|
|---|
| 503 | # issue 11828
|
|---|
| 504 | b = self.type2test(b'hello')
|
|---|
| 505 | x = self.type2test(b'x')
|
|---|
| 506 | self.assertRaisesRegexp(TypeError, r'\bfind\b', b.find,
|
|---|
| 507 | x, None, None, None)
|
|---|
| 508 | self.assertRaisesRegexp(TypeError, r'\brfind\b', b.rfind,
|
|---|
| 509 | x, None, None, None)
|
|---|
| 510 | self.assertRaisesRegexp(TypeError, r'\bindex\b', b.index,
|
|---|
| 511 | x, None, None, None)
|
|---|
| 512 | self.assertRaisesRegexp(TypeError, r'\brindex\b', b.rindex,
|
|---|
| 513 | x, None, None, None)
|
|---|
| 514 | self.assertRaisesRegexp(TypeError, r'\bcount\b', b.count,
|
|---|
| 515 | x, None, None, None)
|
|---|
| 516 | self.assertRaisesRegexp(TypeError, r'\bstartswith\b', b.startswith,
|
|---|
| 517 | x, None, None, None)
|
|---|
| 518 | self.assertRaisesRegexp(TypeError, r'\bendswith\b', b.endswith,
|
|---|
| 519 | x, None, None, None)
|
|---|
| 520 |
|
|---|
| 521 |
|
|---|
| 522 | class ByteArrayTest(BaseBytesTest):
|
|---|
| 523 | type2test = bytearray
|
|---|
| 524 |
|
|---|
| 525 | def test_nohash(self):
|
|---|
| 526 | self.assertRaises(TypeError, hash, bytearray())
|
|---|
| 527 |
|
|---|
| 528 | def test_bytearray_api(self):
|
|---|
| 529 | short_sample = b"Hello world\n"
|
|---|
| 530 | sample = short_sample + b"\0"*(20 - len(short_sample))
|
|---|
| 531 | tfn = tempfile.mktemp()
|
|---|
| 532 | try:
|
|---|
| 533 | # Prepare
|
|---|
| 534 | with open(tfn, "wb") as f:
|
|---|
| 535 | f.write(short_sample)
|
|---|
| 536 | # Test readinto
|
|---|
| 537 | with open(tfn, "rb") as f:
|
|---|
| 538 | b = bytearray(20)
|
|---|
| 539 | n = f.readinto(b)
|
|---|
| 540 | self.assertEqual(n, len(short_sample))
|
|---|
| 541 | # Python 2.x
|
|---|
| 542 | b_sample = (ord(s) for s in sample)
|
|---|
| 543 | self.assertEqual(list(b), list(b_sample))
|
|---|
| 544 | # Test writing in binary mode
|
|---|
| 545 | with open(tfn, "wb") as f:
|
|---|
| 546 | f.write(b)
|
|---|
| 547 | with open(tfn, "rb") as f:
|
|---|
| 548 | self.assertEqual(f.read(), sample)
|
|---|
| 549 | # Text mode is ambiguous; don't test
|
|---|
| 550 | finally:
|
|---|
| 551 | try:
|
|---|
| 552 | os.remove(tfn)
|
|---|
| 553 | except os.error:
|
|---|
| 554 | pass
|
|---|
| 555 |
|
|---|
| 556 | def test_reverse(self):
|
|---|
| 557 | b = bytearray(b'hello')
|
|---|
| 558 | self.assertEqual(b.reverse(), None)
|
|---|
| 559 | self.assertEqual(b, b'olleh')
|
|---|
| 560 | b = bytearray(b'hello1') # test even number of items
|
|---|
| 561 | b.reverse()
|
|---|
| 562 | self.assertEqual(b, b'1olleh')
|
|---|
| 563 | b = bytearray()
|
|---|
| 564 | b.reverse()
|
|---|
| 565 | self.assertFalse(b)
|
|---|
| 566 |
|
|---|
| 567 | def test_regexps(self):
|
|---|
| 568 | def by(s):
|
|---|
| 569 | return bytearray(map(ord, s))
|
|---|
| 570 | b = by("Hello, world")
|
|---|
| 571 | self.assertEqual(re.findall(r"\w+", b), [by("Hello"), by("world")])
|
|---|
| 572 |
|
|---|
| 573 | def test_setitem(self):
|
|---|
| 574 | b = bytearray([1, 2, 3])
|
|---|
| 575 | b[1] = 100
|
|---|
| 576 | self.assertEqual(b, bytearray([1, 100, 3]))
|
|---|
| 577 | b[-1] = 200
|
|---|
| 578 | self.assertEqual(b, bytearray([1, 100, 200]))
|
|---|
| 579 | b[0] = Indexable(10)
|
|---|
| 580 | self.assertEqual(b, bytearray([10, 100, 200]))
|
|---|
| 581 | try:
|
|---|
| 582 | b[3] = 0
|
|---|
| 583 | self.fail("Didn't raise IndexError")
|
|---|
| 584 | except IndexError:
|
|---|
| 585 | pass
|
|---|
| 586 | try:
|
|---|
| 587 | b[-10] = 0
|
|---|
| 588 | self.fail("Didn't raise IndexError")
|
|---|
| 589 | except IndexError:
|
|---|
| 590 | pass
|
|---|
| 591 | try:
|
|---|
| 592 | b[0] = 256
|
|---|
| 593 | self.fail("Didn't raise ValueError")
|
|---|
| 594 | except ValueError:
|
|---|
| 595 | pass
|
|---|
| 596 | try:
|
|---|
| 597 | b[0] = Indexable(-1)
|
|---|
| 598 | self.fail("Didn't raise ValueError")
|
|---|
| 599 | except ValueError:
|
|---|
| 600 | pass
|
|---|
| 601 | try:
|
|---|
| 602 | b[0] = None
|
|---|
| 603 | self.fail("Didn't raise TypeError")
|
|---|
| 604 | except TypeError:
|
|---|
| 605 | pass
|
|---|
| 606 |
|
|---|
| 607 | def test_delitem(self):
|
|---|
| 608 | b = bytearray(range(10))
|
|---|
| 609 | del b[0]
|
|---|
| 610 | self.assertEqual(b, bytearray(range(1, 10)))
|
|---|
| 611 | del b[-1]
|
|---|
| 612 | self.assertEqual(b, bytearray(range(1, 9)))
|
|---|
| 613 | del b[4]
|
|---|
| 614 | self.assertEqual(b, bytearray([1, 2, 3, 4, 6, 7, 8]))
|
|---|
| 615 |
|
|---|
| 616 | def test_setslice(self):
|
|---|
| 617 | b = bytearray(range(10))
|
|---|
| 618 | self.assertEqual(list(b), list(range(10)))
|
|---|
| 619 |
|
|---|
| 620 | b[0:5] = bytearray([1, 1, 1, 1, 1])
|
|---|
| 621 | self.assertEqual(b, bytearray([1, 1, 1, 1, 1, 5, 6, 7, 8, 9]))
|
|---|
| 622 |
|
|---|
| 623 | del b[0:-5]
|
|---|
| 624 | self.assertEqual(b, bytearray([5, 6, 7, 8, 9]))
|
|---|
| 625 |
|
|---|
| 626 | b[0:0] = bytearray([0, 1, 2, 3, 4])
|
|---|
| 627 | self.assertEqual(b, bytearray(range(10)))
|
|---|
| 628 |
|
|---|
| 629 | b[-7:-3] = bytearray([100, 101])
|
|---|
| 630 | self.assertEqual(b, bytearray([0, 1, 2, 100, 101, 7, 8, 9]))
|
|---|
| 631 |
|
|---|
| 632 | b[3:5] = [3, 4, 5, 6]
|
|---|
| 633 | self.assertEqual(b, bytearray(range(10)))
|
|---|
| 634 |
|
|---|
| 635 | b[3:0] = [42, 42, 42]
|
|---|
| 636 | self.assertEqual(b, bytearray([0, 1, 2, 42, 42, 42, 3, 4, 5, 6, 7, 8, 9]))
|
|---|
| 637 |
|
|---|
| 638 | b[3:] = b'foo'
|
|---|
| 639 | self.assertEqual(b, bytearray([0, 1, 2, 102, 111, 111]))
|
|---|
| 640 |
|
|---|
| 641 | b[:3] = memoryview(b'foo')
|
|---|
| 642 | self.assertEqual(b, bytearray([102, 111, 111, 102, 111, 111]))
|
|---|
| 643 |
|
|---|
| 644 | b[3:4] = []
|
|---|
| 645 | self.assertEqual(b, bytearray([102, 111, 111, 111, 111]))
|
|---|
| 646 |
|
|---|
| 647 | b[1:] = list(b'uuuu') # this works only on Python2
|
|---|
| 648 | self.assertEqual(b, bytearray([102, 117, 117, 117, 117]))
|
|---|
| 649 |
|
|---|
| 650 | for elem in [5, -5, 0, long(10e20), u'str', 2.3, [u'a', u'b'], [[]]]:
|
|---|
| 651 | with self.assertRaises(TypeError):
|
|---|
| 652 | b[3:4] = elem
|
|---|
| 653 |
|
|---|
| 654 | for elem in [[254, 255, 256], [-256, 9000]]:
|
|---|
| 655 | with self.assertRaises(ValueError):
|
|---|
| 656 | b[3:4] = elem
|
|---|
| 657 |
|
|---|
| 658 | def test_extended_set_del_slice(self):
|
|---|
| 659 | indices = (0, None, 1, 3, 19, 300, 1<<333, -1, -2, -31, -300)
|
|---|
| 660 | for start in indices:
|
|---|
| 661 | for stop in indices:
|
|---|
| 662 | # Skip invalid step 0
|
|---|
| 663 | for step in indices[1:]:
|
|---|
| 664 | L = list(range(255))
|
|---|
| 665 | b = bytearray(L)
|
|---|
| 666 | # Make sure we have a slice of exactly the right length,
|
|---|
| 667 | # but with different data.
|
|---|
| 668 | data = L[start:stop:step]
|
|---|
| 669 | data.reverse()
|
|---|
| 670 | L[start:stop:step] = data
|
|---|
| 671 | b[start:stop:step] = data
|
|---|
| 672 | self.assertEqual(b, bytearray(L))
|
|---|
| 673 |
|
|---|
| 674 | del L[start:stop:step]
|
|---|
| 675 | del b[start:stop:step]
|
|---|
| 676 | self.assertEqual(b, bytearray(L))
|
|---|
| 677 |
|
|---|
| 678 | def test_setslice_trap(self):
|
|---|
| 679 | # This test verifies that we correctly handle assigning self
|
|---|
| 680 | # to a slice of self (the old Lambert Meertens trap).
|
|---|
| 681 | b = bytearray(range(256))
|
|---|
| 682 | b[8:] = b
|
|---|
| 683 | self.assertEqual(b, bytearray(list(range(8)) + list(range(256))))
|
|---|
| 684 |
|
|---|
| 685 | def test_iconcat(self):
|
|---|
| 686 | b = bytearray(b"abc")
|
|---|
| 687 | b1 = b
|
|---|
| 688 | b += b"def"
|
|---|
| 689 | self.assertEqual(b, b"abcdef")
|
|---|
| 690 | self.assertEqual(b, b1)
|
|---|
| 691 | self.assertTrue(b is b1)
|
|---|
| 692 | b += b"xyz"
|
|---|
| 693 | self.assertEqual(b, b"abcdefxyz")
|
|---|
| 694 | try:
|
|---|
| 695 | b += u""
|
|---|
| 696 | except TypeError:
|
|---|
| 697 | pass
|
|---|
| 698 | else:
|
|---|
| 699 | self.fail("bytes += unicode didn't raise TypeError")
|
|---|
| 700 |
|
|---|
| 701 | def test_irepeat(self):
|
|---|
| 702 | b = bytearray(b"abc")
|
|---|
| 703 | b1 = b
|
|---|
| 704 | b *= 3
|
|---|
| 705 | self.assertEqual(b, b"abcabcabc")
|
|---|
| 706 | self.assertEqual(b, b1)
|
|---|
| 707 | self.assertTrue(b is b1)
|
|---|
| 708 |
|
|---|
| 709 | def test_irepeat_1char(self):
|
|---|
| 710 | b = bytearray(b"x")
|
|---|
| 711 | b1 = b
|
|---|
| 712 | b *= 100
|
|---|
| 713 | self.assertEqual(b, b"x"*100)
|
|---|
| 714 | self.assertEqual(b, b1)
|
|---|
| 715 | self.assertTrue(b is b1)
|
|---|
| 716 |
|
|---|
| 717 | def test_alloc(self):
|
|---|
| 718 | b = bytearray()
|
|---|
| 719 | alloc = b.__alloc__()
|
|---|
| 720 | self.assertTrue(alloc >= 0)
|
|---|
| 721 | seq = [alloc]
|
|---|
| 722 | for i in range(100):
|
|---|
| 723 | b += b"x"
|
|---|
| 724 | alloc = b.__alloc__()
|
|---|
| 725 | self.assertTrue(alloc >= len(b))
|
|---|
| 726 | if alloc not in seq:
|
|---|
| 727 | seq.append(alloc)
|
|---|
| 728 |
|
|---|
| 729 | def test_extend(self):
|
|---|
| 730 | orig = b'hello'
|
|---|
| 731 | a = bytearray(orig)
|
|---|
| 732 | a.extend(a)
|
|---|
| 733 | self.assertEqual(a, orig + orig)
|
|---|
| 734 | self.assertEqual(a[5:], orig)
|
|---|
| 735 | a = bytearray(b'')
|
|---|
| 736 | # Test iterators that don't have a __length_hint__
|
|---|
| 737 | a.extend(map(ord, orig * 25))
|
|---|
| 738 | a.extend(ord(x) for x in orig * 25)
|
|---|
| 739 | self.assertEqual(a, orig * 50)
|
|---|
| 740 | self.assertEqual(a[-5:], orig)
|
|---|
| 741 | a = bytearray(b'')
|
|---|
| 742 | a.extend(iter(map(ord, orig * 50)))
|
|---|
| 743 | self.assertEqual(a, orig * 50)
|
|---|
| 744 | self.assertEqual(a[-5:], orig)
|
|---|
| 745 | a = bytearray(b'')
|
|---|
| 746 | a.extend(list(map(ord, orig * 50)))
|
|---|
| 747 | self.assertEqual(a, orig * 50)
|
|---|
| 748 | self.assertEqual(a[-5:], orig)
|
|---|
| 749 | a = bytearray(b'')
|
|---|
| 750 | self.assertRaises(ValueError, a.extend, [0, 1, 2, 256])
|
|---|
| 751 | self.assertRaises(ValueError, a.extend, [0, 1, 2, -1])
|
|---|
| 752 | self.assertEqual(len(a), 0)
|
|---|
| 753 | a = bytearray(b'')
|
|---|
| 754 | a.extend([Indexable(ord('a'))])
|
|---|
| 755 | self.assertEqual(a, b'a')
|
|---|
| 756 |
|
|---|
| 757 | def test_remove(self):
|
|---|
| 758 | b = bytearray(b'hello')
|
|---|
| 759 | b.remove(ord('l'))
|
|---|
| 760 | self.assertEqual(b, b'helo')
|
|---|
| 761 | b.remove(ord('l'))
|
|---|
| 762 | self.assertEqual(b, b'heo')
|
|---|
| 763 | self.assertRaises(ValueError, lambda: b.remove(ord('l')))
|
|---|
| 764 | self.assertRaises(ValueError, lambda: b.remove(400))
|
|---|
| 765 | self.assertRaises(TypeError, lambda: b.remove(u'e'))
|
|---|
| 766 | # remove first and last
|
|---|
| 767 | b.remove(ord('o'))
|
|---|
| 768 | b.remove(ord('h'))
|
|---|
| 769 | self.assertEqual(b, b'e')
|
|---|
| 770 | self.assertRaises(TypeError, lambda: b.remove(u'e'))
|
|---|
| 771 | b.remove(Indexable(ord('e')))
|
|---|
| 772 | self.assertEqual(b, b'')
|
|---|
| 773 |
|
|---|
| 774 | def test_pop(self):
|
|---|
| 775 | b = bytearray(b'world')
|
|---|
| 776 | self.assertEqual(b.pop(), ord('d'))
|
|---|
| 777 | self.assertEqual(b.pop(0), ord('w'))
|
|---|
| 778 | self.assertEqual(b.pop(-2), ord('r'))
|
|---|
| 779 | self.assertRaises(IndexError, lambda: b.pop(10))
|
|---|
| 780 | self.assertRaises(IndexError, lambda: bytearray().pop())
|
|---|
| 781 | # test for issue #6846
|
|---|
| 782 | self.assertEqual(bytearray(b'\xff').pop(), 0xff)
|
|---|
| 783 |
|
|---|
| 784 | def test_nosort(self):
|
|---|
| 785 | self.assertRaises(AttributeError, lambda: bytearray().sort())
|
|---|
| 786 |
|
|---|
| 787 | def test_append(self):
|
|---|
| 788 | b = bytearray(b'hell')
|
|---|
| 789 | b.append(ord('o'))
|
|---|
| 790 | self.assertEqual(b, b'hello')
|
|---|
| 791 | self.assertEqual(b.append(100), None)
|
|---|
| 792 | b = bytearray()
|
|---|
| 793 | b.append(ord('A'))
|
|---|
| 794 | self.assertEqual(len(b), 1)
|
|---|
| 795 | self.assertRaises(TypeError, lambda: b.append(u'o'))
|
|---|
| 796 | b = bytearray()
|
|---|
| 797 | b.append(Indexable(ord('A')))
|
|---|
| 798 | self.assertEqual(b, b'A')
|
|---|
| 799 |
|
|---|
| 800 | def test_insert(self):
|
|---|
| 801 | b = bytearray(b'msssspp')
|
|---|
| 802 | b.insert(1, ord('i'))
|
|---|
| 803 | b.insert(4, ord('i'))
|
|---|
| 804 | b.insert(-2, ord('i'))
|
|---|
| 805 | b.insert(1000, ord('i'))
|
|---|
| 806 | self.assertEqual(b, b'mississippi')
|
|---|
| 807 | # allowed in 2.x
|
|---|
| 808 | #self.assertRaises(TypeError, lambda: b.insert(0, b'1'))
|
|---|
| 809 | b = bytearray()
|
|---|
| 810 | b.insert(0, Indexable(ord('A')))
|
|---|
| 811 | self.assertEqual(b, b'A')
|
|---|
| 812 |
|
|---|
| 813 | def test_copied(self):
|
|---|
| 814 | # Issue 4348. Make sure that operations that don't mutate the array
|
|---|
| 815 | # copy the bytes.
|
|---|
| 816 | b = bytearray(b'abc')
|
|---|
| 817 | self.assertFalse(b is b.replace(b'abc', b'cde', 0))
|
|---|
| 818 |
|
|---|
| 819 | t = bytearray([i for i in range(256)])
|
|---|
| 820 | x = bytearray(b'')
|
|---|
| 821 | self.assertFalse(x is x.translate(t))
|
|---|
| 822 |
|
|---|
| 823 | def test_partition_bytearray_doesnt_share_nullstring(self):
|
|---|
| 824 | a, b, c = bytearray(b"x").partition(b"y")
|
|---|
| 825 | self.assertEqual(b, b"")
|
|---|
| 826 | self.assertEqual(c, b"")
|
|---|
| 827 | self.assertTrue(b is not c)
|
|---|
| 828 | b += b"!"
|
|---|
| 829 | self.assertEqual(c, b"")
|
|---|
| 830 | a, b, c = bytearray(b"x").partition(b"y")
|
|---|
| 831 | self.assertEqual(b, b"")
|
|---|
| 832 | self.assertEqual(c, b"")
|
|---|
| 833 | # Same for rpartition
|
|---|
| 834 | b, c, a = bytearray(b"x").rpartition(b"y")
|
|---|
| 835 | self.assertEqual(b, b"")
|
|---|
| 836 | self.assertEqual(c, b"")
|
|---|
| 837 | self.assertTrue(b is not c)
|
|---|
| 838 | b += b"!"
|
|---|
| 839 | self.assertEqual(c, b"")
|
|---|
| 840 | c, b, a = bytearray(b"x").rpartition(b"y")
|
|---|
| 841 | self.assertEqual(b, b"")
|
|---|
| 842 | self.assertEqual(c, b"")
|
|---|
| 843 |
|
|---|
| 844 | def test_resize_forbidden(self):
|
|---|
| 845 | # #4509: can't resize a bytearray when there are buffer exports, even
|
|---|
| 846 | # if it wouldn't reallocate the underlying buffer.
|
|---|
| 847 | # Furthermore, no destructive changes to the buffer may be applied
|
|---|
| 848 | # before raising the error.
|
|---|
| 849 | b = bytearray(range(10))
|
|---|
| 850 | v = memoryview(b)
|
|---|
| 851 | def resize(n):
|
|---|
| 852 | b[1:-1] = range(n + 1, 2*n - 1)
|
|---|
| 853 | resize(10)
|
|---|
| 854 | orig = b[:]
|
|---|
| 855 | self.assertRaises(BufferError, resize, 11)
|
|---|
| 856 | self.assertEqual(b, orig)
|
|---|
| 857 | self.assertRaises(BufferError, resize, 9)
|
|---|
| 858 | self.assertEqual(b, orig)
|
|---|
| 859 | self.assertRaises(BufferError, resize, 0)
|
|---|
| 860 | self.assertEqual(b, orig)
|
|---|
| 861 | # Other operations implying resize
|
|---|
| 862 | self.assertRaises(BufferError, b.pop, 0)
|
|---|
| 863 | self.assertEqual(b, orig)
|
|---|
| 864 | self.assertRaises(BufferError, b.remove, b[1])
|
|---|
| 865 | self.assertEqual(b, orig)
|
|---|
| 866 | def delitem():
|
|---|
| 867 | del b[1]
|
|---|
| 868 | self.assertRaises(BufferError, delitem)
|
|---|
| 869 | self.assertEqual(b, orig)
|
|---|
| 870 | # deleting a non-contiguous slice
|
|---|
| 871 | def delslice():
|
|---|
| 872 | b[1:-1:2] = b""
|
|---|
| 873 | self.assertRaises(BufferError, delslice)
|
|---|
| 874 | self.assertEqual(b, orig)
|
|---|
| 875 |
|
|---|
| 876 | def test_empty_bytearray(self):
|
|---|
| 877 | # Issue #7561: operations on empty bytearrays could crash in many
|
|---|
| 878 | # situations, due to a fragile implementation of the
|
|---|
| 879 | # PyByteArray_AS_STRING() C macro.
|
|---|
| 880 | self.assertRaises(ValueError, int, bytearray(b''))
|
|---|
| 881 |
|
|---|
| 882 |
|
|---|
| 883 | class AssortedBytesTest(unittest.TestCase):
|
|---|
| 884 | #
|
|---|
| 885 | # Test various combinations of bytes and bytearray
|
|---|
| 886 | #
|
|---|
| 887 |
|
|---|
| 888 | @check_bytes_warnings
|
|---|
| 889 | def test_repr_str(self):
|
|---|
| 890 | for f in str, repr:
|
|---|
| 891 | self.assertEqual(f(bytearray()), "bytearray(b'')")
|
|---|
| 892 | self.assertEqual(f(bytearray([0])), "bytearray(b'\\x00')")
|
|---|
| 893 | self.assertEqual(f(bytearray([0, 1, 254, 255])),
|
|---|
| 894 | "bytearray(b'\\x00\\x01\\xfe\\xff')")
|
|---|
| 895 | self.assertEqual(f(b"abc"), "b'abc'")
|
|---|
| 896 | self.assertEqual(f(b"'"), '''b"'"''') # '''
|
|---|
| 897 | self.assertEqual(f(b"'\""), r"""b'\'"'""") # '
|
|---|
| 898 |
|
|---|
| 899 | def test_compare_bytes_to_bytearray(self):
|
|---|
| 900 | self.assertEqual(b"abc" == bytes(b"abc"), True)
|
|---|
| 901 | self.assertEqual(b"ab" != bytes(b"abc"), True)
|
|---|
| 902 | self.assertEqual(b"ab" <= bytes(b"abc"), True)
|
|---|
| 903 | self.assertEqual(b"ab" < bytes(b"abc"), True)
|
|---|
| 904 | self.assertEqual(b"abc" >= bytes(b"ab"), True)
|
|---|
| 905 | self.assertEqual(b"abc" > bytes(b"ab"), True)
|
|---|
| 906 |
|
|---|
| 907 | self.assertEqual(b"abc" != bytes(b"abc"), False)
|
|---|
| 908 | self.assertEqual(b"ab" == bytes(b"abc"), False)
|
|---|
| 909 | self.assertEqual(b"ab" > bytes(b"abc"), False)
|
|---|
| 910 | self.assertEqual(b"ab" >= bytes(b"abc"), False)
|
|---|
| 911 | self.assertEqual(b"abc" < bytes(b"ab"), False)
|
|---|
| 912 | self.assertEqual(b"abc" <= bytes(b"ab"), False)
|
|---|
| 913 |
|
|---|
| 914 | self.assertEqual(bytes(b"abc") == b"abc", True)
|
|---|
| 915 | self.assertEqual(bytes(b"ab") != b"abc", True)
|
|---|
| 916 | self.assertEqual(bytes(b"ab") <= b"abc", True)
|
|---|
| 917 | self.assertEqual(bytes(b"ab") < b"abc", True)
|
|---|
| 918 | self.assertEqual(bytes(b"abc") >= b"ab", True)
|
|---|
| 919 | self.assertEqual(bytes(b"abc") > b"ab", True)
|
|---|
| 920 |
|
|---|
| 921 | self.assertEqual(bytes(b"abc") != b"abc", False)
|
|---|
| 922 | self.assertEqual(bytes(b"ab") == b"abc", False)
|
|---|
| 923 | self.assertEqual(bytes(b"ab") > b"abc", False)
|
|---|
| 924 | self.assertEqual(bytes(b"ab") >= b"abc", False)
|
|---|
| 925 | self.assertEqual(bytes(b"abc") < b"ab", False)
|
|---|
| 926 | self.assertEqual(bytes(b"abc") <= b"ab", False)
|
|---|
| 927 |
|
|---|
| 928 | @test.test_support.requires_docstrings
|
|---|
| 929 | def test_doc(self):
|
|---|
| 930 | self.assertIsNotNone(bytearray.__doc__)
|
|---|
| 931 | self.assertTrue(bytearray.__doc__.startswith("bytearray("), bytearray.__doc__)
|
|---|
| 932 | self.assertIsNotNone(bytes.__doc__)
|
|---|
| 933 | self.assertTrue(bytes.__doc__.startswith("bytes("), bytes.__doc__)
|
|---|
| 934 |
|
|---|
| 935 | def test_from_bytearray(self):
|
|---|
| 936 | sample = bytes(b"Hello world\n\x80\x81\xfe\xff")
|
|---|
| 937 | buf = memoryview(sample)
|
|---|
| 938 | b = bytearray(buf)
|
|---|
| 939 | self.assertEqual(b, bytearray(sample))
|
|---|
| 940 |
|
|---|
| 941 | @check_bytes_warnings
|
|---|
| 942 | def test_to_str(self):
|
|---|
| 943 | self.assertEqual(str(b''), "b''")
|
|---|
| 944 | self.assertEqual(str(b'x'), "b'x'")
|
|---|
| 945 | self.assertEqual(str(b'\x80'), "b'\\x80'")
|
|---|
| 946 | self.assertEqual(str(bytearray(b'')), "bytearray(b'')")
|
|---|
| 947 | self.assertEqual(str(bytearray(b'x')), "bytearray(b'x')")
|
|---|
| 948 | self.assertEqual(str(bytearray(b'\x80')), "bytearray(b'\\x80')")
|
|---|
| 949 |
|
|---|
| 950 | def test_literal(self):
|
|---|
| 951 | tests = [
|
|---|
| 952 | (b"Wonderful spam", "Wonderful spam"),
|
|---|
| 953 | (br"Wonderful spam too", "Wonderful spam too"),
|
|---|
| 954 | (b"\xaa\x00\000\200", "\xaa\x00\000\200"),
|
|---|
| 955 | (br"\xaa\x00\000\200", r"\xaa\x00\000\200"),
|
|---|
| 956 | ]
|
|---|
| 957 | for b, s in tests:
|
|---|
| 958 | self.assertEqual(b, bytearray(s, 'latin-1'))
|
|---|
| 959 | for c in range(128, 256):
|
|---|
| 960 | self.assertRaises(SyntaxError, eval,
|
|---|
| 961 | 'b"%s"' % chr(c))
|
|---|
| 962 |
|
|---|
| 963 | def test_translate(self):
|
|---|
| 964 | b = b'hello'
|
|---|
| 965 | ba = bytearray(b)
|
|---|
| 966 | rosetta = bytearray(range(0, 256))
|
|---|
| 967 | rosetta[ord('o')] = ord('e')
|
|---|
| 968 | c = b.translate(rosetta, b'l')
|
|---|
| 969 | self.assertEqual(b, b'hello')
|
|---|
| 970 | self.assertEqual(c, b'hee')
|
|---|
| 971 | c = ba.translate(rosetta, b'l')
|
|---|
| 972 | self.assertEqual(ba, b'hello')
|
|---|
| 973 | self.assertEqual(c, b'hee')
|
|---|
| 974 | c = b.translate(None, b'e')
|
|---|
| 975 | self.assertEqual(c, b'hllo')
|
|---|
| 976 | c = ba.translate(None, b'e')
|
|---|
| 977 | self.assertEqual(c, b'hllo')
|
|---|
| 978 | self.assertRaises(TypeError, b.translate, None, None)
|
|---|
| 979 | self.assertRaises(TypeError, ba.translate, None, None)
|
|---|
| 980 |
|
|---|
| 981 | def test_split_bytearray(self):
|
|---|
| 982 | self.assertEqual(b'a b'.split(memoryview(b' ')), [b'a', b'b'])
|
|---|
| 983 |
|
|---|
| 984 | def test_rsplit_bytearray(self):
|
|---|
| 985 | self.assertEqual(b'a b'.rsplit(memoryview(b' ')), [b'a', b'b'])
|
|---|
| 986 |
|
|---|
| 987 | # Optimizations:
|
|---|
| 988 | # __iter__? (optimization)
|
|---|
| 989 | # __reversed__? (optimization)
|
|---|
| 990 |
|
|---|
| 991 | # XXX More string methods? (Those that don't use character properties)
|
|---|
| 992 |
|
|---|
| 993 | # There are tests in string_tests.py that are more
|
|---|
| 994 | # comprehensive for things like split, partition, etc.
|
|---|
| 995 | # Unfortunately they are all bundled with tests that
|
|---|
| 996 | # are not appropriate for bytes
|
|---|
| 997 |
|
|---|
| 998 | # I've started porting some of those into bytearray_tests.py, we should port
|
|---|
| 999 | # the rest that make sense (the code can be cleaned up to use modern
|
|---|
| 1000 | # unittest methods at the same time).
|
|---|
| 1001 |
|
|---|
| 1002 | class BytearrayPEP3137Test(unittest.TestCase,
|
|---|
| 1003 | test.buffer_tests.MixinBytesBufferCommonTests):
|
|---|
| 1004 | def marshal(self, x):
|
|---|
| 1005 | return bytearray(x)
|
|---|
| 1006 |
|
|---|
| 1007 | def test_returns_new_copy(self):
|
|---|
| 1008 | val = self.marshal(b'1234')
|
|---|
| 1009 | # On immutable types these MAY return a reference to themselves
|
|---|
| 1010 | # but on mutable types like bytearray they MUST return a new copy.
|
|---|
| 1011 | for methname in ('zfill', 'rjust', 'ljust', 'center'):
|
|---|
| 1012 | method = getattr(val, methname)
|
|---|
| 1013 | newval = method(3)
|
|---|
| 1014 | self.assertEqual(val, newval)
|
|---|
| 1015 | self.assertTrue(val is not newval,
|
|---|
| 1016 | methname+' returned self on a mutable object')
|
|---|
| 1017 | for expr in ('val.split()[0]', 'val.rsplit()[0]',
|
|---|
| 1018 | 'val.partition(".")[0]', 'val.rpartition(".")[2]',
|
|---|
| 1019 | 'val.splitlines()[0]', 'val.replace("", "")'):
|
|---|
| 1020 | newval = eval(expr)
|
|---|
| 1021 | self.assertEqual(val, newval)
|
|---|
| 1022 | self.assertTrue(val is not newval,
|
|---|
| 1023 | expr+' returned val on a mutable object')
|
|---|
| 1024 |
|
|---|
| 1025 | class FixedStringTest(test.string_tests.BaseTest):
|
|---|
| 1026 |
|
|---|
| 1027 | def fixtype(self, obj):
|
|---|
| 1028 | if isinstance(obj, str):
|
|---|
| 1029 | return obj.encode("utf-8")
|
|---|
| 1030 | return super(FixedStringTest, self).fixtype(obj)
|
|---|
| 1031 |
|
|---|
| 1032 | # Currently the bytes containment testing uses a single integer
|
|---|
| 1033 | # value. This may not be the final design, but until then the
|
|---|
| 1034 | # bytes section with in a bytes containment not valid
|
|---|
| 1035 | def test_contains(self):
|
|---|
| 1036 | pass
|
|---|
| 1037 | def test_expandtabs(self):
|
|---|
| 1038 | pass
|
|---|
| 1039 | def test_upper(self):
|
|---|
| 1040 | pass
|
|---|
| 1041 | def test_lower(self):
|
|---|
| 1042 | pass
|
|---|
| 1043 | def test_hash(self):
|
|---|
| 1044 | # XXX check this out
|
|---|
| 1045 | pass
|
|---|
| 1046 |
|
|---|
| 1047 |
|
|---|
| 1048 | class ByteArrayAsStringTest(FixedStringTest):
|
|---|
| 1049 | type2test = bytearray
|
|---|
| 1050 |
|
|---|
| 1051 |
|
|---|
| 1052 | class ByteArraySubclass(bytearray):
|
|---|
| 1053 | pass
|
|---|
| 1054 |
|
|---|
| 1055 | class ByteArraySubclassTest(unittest.TestCase):
|
|---|
| 1056 |
|
|---|
| 1057 | def test_basic(self):
|
|---|
| 1058 | self.assertTrue(issubclass(ByteArraySubclass, bytearray))
|
|---|
| 1059 | self.assertIsInstance(ByteArraySubclass(), bytearray)
|
|---|
| 1060 |
|
|---|
| 1061 | a, b = b"abcd", b"efgh"
|
|---|
| 1062 | _a, _b = ByteArraySubclass(a), ByteArraySubclass(b)
|
|---|
| 1063 |
|
|---|
| 1064 | # test comparison operators with subclass instances
|
|---|
| 1065 | self.assertTrue(_a == _a)
|
|---|
| 1066 | self.assertTrue(_a != _b)
|
|---|
| 1067 | self.assertTrue(_a < _b)
|
|---|
| 1068 | self.assertTrue(_a <= _b)
|
|---|
| 1069 | self.assertTrue(_b >= _a)
|
|---|
| 1070 | self.assertTrue(_b > _a)
|
|---|
| 1071 | self.assertTrue(_a is not a)
|
|---|
| 1072 |
|
|---|
| 1073 | # test concat of subclass instances
|
|---|
| 1074 | self.assertEqual(a + b, _a + _b)
|
|---|
| 1075 | self.assertEqual(a + b, a + _b)
|
|---|
| 1076 | self.assertEqual(a + b, _a + b)
|
|---|
| 1077 |
|
|---|
| 1078 | # test repeat
|
|---|
| 1079 | self.assertTrue(a*5 == _a*5)
|
|---|
| 1080 |
|
|---|
| 1081 | def test_join(self):
|
|---|
| 1082 | # Make sure join returns a NEW object for single item sequences
|
|---|
| 1083 | # involving a subclass.
|
|---|
| 1084 | # Make sure that it is of the appropriate type.
|
|---|
| 1085 | s1 = ByteArraySubclass(b"abcd")
|
|---|
| 1086 | s2 = bytearray().join([s1])
|
|---|
| 1087 | self.assertTrue(s1 is not s2)
|
|---|
| 1088 | self.assertTrue(type(s2) is bytearray, type(s2))
|
|---|
| 1089 |
|
|---|
| 1090 | # Test reverse, calling join on subclass
|
|---|
| 1091 | s3 = s1.join([b"abcd"])
|
|---|
| 1092 | self.assertTrue(type(s3) is bytearray)
|
|---|
| 1093 |
|
|---|
| 1094 | def test_pickle(self):
|
|---|
| 1095 | a = ByteArraySubclass(b"abcd")
|
|---|
| 1096 | a.x = 10
|
|---|
| 1097 | a.y = ByteArraySubclass(b"efgh")
|
|---|
| 1098 | for proto in range(pickle.HIGHEST_PROTOCOL + 1):
|
|---|
| 1099 | b = pickle.loads(pickle.dumps(a, proto))
|
|---|
| 1100 | self.assertNotEqual(id(a), id(b))
|
|---|
| 1101 | self.assertEqual(a, b)
|
|---|
| 1102 | self.assertEqual(a.x, b.x)
|
|---|
| 1103 | self.assertEqual(a.y, b.y)
|
|---|
| 1104 | self.assertEqual(type(a), type(b))
|
|---|
| 1105 | self.assertEqual(type(a.y), type(b.y))
|
|---|
| 1106 |
|
|---|
| 1107 | def test_copy(self):
|
|---|
| 1108 | a = ByteArraySubclass(b"abcd")
|
|---|
| 1109 | a.x = 10
|
|---|
| 1110 | a.y = ByteArraySubclass(b"efgh")
|
|---|
| 1111 | for copy_method in (copy.copy, copy.deepcopy):
|
|---|
| 1112 | b = copy_method(a)
|
|---|
| 1113 | self.assertNotEqual(id(a), id(b))
|
|---|
| 1114 | self.assertEqual(a, b)
|
|---|
| 1115 | self.assertEqual(a.x, b.x)
|
|---|
| 1116 | self.assertEqual(a.y, b.y)
|
|---|
| 1117 | self.assertEqual(type(a), type(b))
|
|---|
| 1118 | self.assertEqual(type(a.y), type(b.y))
|
|---|
| 1119 |
|
|---|
| 1120 | def test_init_override(self):
|
|---|
| 1121 | class subclass(bytearray):
|
|---|
| 1122 | def __init__(self, newarg=1, *args, **kwargs):
|
|---|
| 1123 | bytearray.__init__(self, *args, **kwargs)
|
|---|
| 1124 | x = subclass(4, source=b"abcd")
|
|---|
| 1125 | self.assertEqual(x, b"abcd")
|
|---|
| 1126 | x = subclass(newarg=4, source=b"abcd")
|
|---|
| 1127 | self.assertEqual(x, b"abcd")
|
|---|
| 1128 |
|
|---|
| 1129 | def test_main():
|
|---|
| 1130 | #test.test_support.run_unittest(BytesTest)
|
|---|
| 1131 | #test.test_support.run_unittest(AssortedBytesTest)
|
|---|
| 1132 | #test.test_support.run_unittest(BytesAsStringTest)
|
|---|
| 1133 | test.test_support.run_unittest(
|
|---|
| 1134 | ByteArrayTest,
|
|---|
| 1135 | ByteArrayAsStringTest,
|
|---|
| 1136 | ByteArraySubclassTest,
|
|---|
| 1137 | BytearrayPEP3137Test)
|
|---|
| 1138 |
|
|---|
| 1139 | if __name__ == "__main__":
|
|---|
| 1140 | test_main()
|
|---|
