793 lines
28 KiB
Python
793 lines
28 KiB
Python
"""Unit tests for the bytes type."""
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import os
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import re
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import sys
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import pickle
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import tempfile
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import unittest
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import test.test_support
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import test.string_tests
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import test.buffer_tests
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class BytesTest(unittest.TestCase):
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def test_basics(self):
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b = bytes()
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self.assertEqual(type(b), bytes)
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self.assertEqual(b.__class__, bytes)
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def test_empty_sequence(self):
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b = bytes()
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self.assertEqual(len(b), 0)
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self.assertRaises(IndexError, lambda: b[0])
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self.assertRaises(IndexError, lambda: b[1])
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self.assertRaises(IndexError, lambda: b[sys.maxint])
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self.assertRaises(IndexError, lambda: b[sys.maxint+1])
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self.assertRaises(IndexError, lambda: b[10**100])
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self.assertRaises(IndexError, lambda: b[-1])
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self.assertRaises(IndexError, lambda: b[-2])
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self.assertRaises(IndexError, lambda: b[-sys.maxint])
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self.assertRaises(IndexError, lambda: b[-sys.maxint-1])
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self.assertRaises(IndexError, lambda: b[-sys.maxint-2])
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self.assertRaises(IndexError, lambda: b[-10**100])
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def test_from_list(self):
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ints = list(range(256))
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b = bytes(i for i in ints)
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self.assertEqual(len(b), 256)
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self.assertEqual(list(b), ints)
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def test_from_index(self):
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class C:
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def __init__(self, i=0):
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self.i = i
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def __index__(self):
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return self.i
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b = bytes([C(), C(1), C(254), C(255)])
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self.assertEqual(list(b), [0, 1, 254, 255])
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self.assertRaises(ValueError, bytes, [C(-1)])
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self.assertRaises(ValueError, bytes, [C(256)])
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def test_constructor_type_errors(self):
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self.assertRaises(TypeError, bytes, 0.0)
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class C:
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pass
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self.assertRaises(TypeError, bytes, ["0"])
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self.assertRaises(TypeError, bytes, [0.0])
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self.assertRaises(TypeError, bytes, [None])
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self.assertRaises(TypeError, bytes, [C()])
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def test_constructor_value_errors(self):
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self.assertRaises(ValueError, bytes, [-1])
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self.assertRaises(ValueError, bytes, [-sys.maxint])
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self.assertRaises(ValueError, bytes, [-sys.maxint-1])
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self.assertRaises(ValueError, bytes, [-sys.maxint-2])
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self.assertRaises(ValueError, bytes, [-10**100])
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self.assertRaises(ValueError, bytes, [256])
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self.assertRaises(ValueError, bytes, [257])
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self.assertRaises(ValueError, bytes, [sys.maxint])
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self.assertRaises(ValueError, bytes, [sys.maxint+1])
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self.assertRaises(ValueError, bytes, [10**100])
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def test_repr(self):
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self.assertEqual(repr(bytes()), "b''")
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self.assertEqual(repr(bytes([0])), "b'\\x00'")
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self.assertEqual(repr(bytes([0, 1, 254, 255])),
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"b'\\x00\\x01\\xfe\\xff'")
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self.assertEqual(repr(b"abc"), "b'abc'")
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self.assertEqual(repr(b"'"), "b'\\''")
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def test_compare(self):
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b1 = bytes([1, 2, 3])
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b2 = bytes([1, 2, 3])
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b3 = bytes([1, 3])
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self.assertEqual(b1, b2)
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self.failUnless(b2 != b3)
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self.failUnless(b1 <= b2)
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self.failUnless(b1 <= b3)
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self.failUnless(b1 < b3)
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self.failUnless(b1 >= b2)
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self.failUnless(b3 >= b2)
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self.failUnless(b3 > b2)
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self.failIf(b1 != b2)
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self.failIf(b2 == b3)
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self.failIf(b1 > b2)
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self.failIf(b1 > b3)
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self.failIf(b1 >= b3)
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self.failIf(b1 < b2)
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self.failIf(b3 < b2)
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self.failIf(b3 <= b2)
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def test_compare_to_str(self):
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self.assertEqual(b"abc" == str8(b"abc"), True)
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self.assertEqual(b"ab" != str8(b"abc"), True)
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self.assertEqual(b"ab" <= str8(b"abc"), True)
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self.assertEqual(b"ab" < str8(b"abc"), True)
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self.assertEqual(b"abc" >= str8(b"ab"), True)
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self.assertEqual(b"abc" > str8(b"ab"), True)
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self.assertEqual(b"abc" != str8(b"abc"), False)
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self.assertEqual(b"ab" == str8(b"abc"), False)
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self.assertEqual(b"ab" > str8(b"abc"), False)
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self.assertEqual(b"ab" >= str8(b"abc"), False)
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self.assertEqual(b"abc" < str8(b"ab"), False)
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self.assertEqual(b"abc" <= str8(b"ab"), False)
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self.assertEqual(str8(b"abc") == b"abc", True)
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self.assertEqual(str8(b"ab") != b"abc", True)
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self.assertEqual(str8(b"ab") <= b"abc", True)
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self.assertEqual(str8(b"ab") < b"abc", True)
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self.assertEqual(str8(b"abc") >= b"ab", True)
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self.assertEqual(str8(b"abc") > b"ab", True)
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self.assertEqual(str8(b"abc") != b"abc", False)
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self.assertEqual(str8(b"ab") == b"abc", False)
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self.assertEqual(str8(b"ab") > b"abc", False)
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self.assertEqual(str8(b"ab") >= b"abc", False)
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self.assertEqual(str8(b"abc") < b"ab", False)
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self.assertEqual(str8(b"abc") <= b"ab", False)
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# Byte comparisons with unicode should always fail!
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# Test this for all expected byte orders and Unicode character sizes
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self.assertEqual(b"\0a\0b\0c" == "abc", False)
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self.assertEqual(b"\0\0\0a\0\0\0b\0\0\0c" == "abc", False)
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self.assertEqual(b"a\0b\0c\0" == "abc", False)
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self.assertEqual(b"a\0\0\0b\0\0\0c\0\0\0" == "abc", False)
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self.assertEqual(bytes() == str(), False)
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self.assertEqual(bytes() != str(), True)
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def test_nohash(self):
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self.assertRaises(TypeError, hash, bytes())
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def test_doc(self):
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self.failUnless(bytes.__doc__ != None)
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self.failUnless(bytes.__doc__.startswith("bytes("))
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def test_buffer_api(self):
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short_sample = b"Hello world\n"
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sample = short_sample + b"x"*(20 - len(short_sample))
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tfn = tempfile.mktemp()
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try:
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# Prepare
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with open(tfn, "wb") as f:
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f.write(short_sample)
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# Test readinto
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with open(tfn, "rb") as f:
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b = b"x"*20
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n = f.readinto(b)
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self.assertEqual(n, len(short_sample))
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self.assertEqual(list(b), list(sample))
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# Test writing in binary mode
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with open(tfn, "wb") as f:
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f.write(b)
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with open(tfn, "rb") as f:
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self.assertEqual(f.read(), sample)
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# Text mode is ambiguous; don't test
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finally:
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try:
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os.remove(tfn)
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except os.error:
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pass
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def test_reversed(self):
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input = list(map(ord, "Hello"))
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b = bytes(input)
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output = list(reversed(b))
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input.reverse()
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self.assertEqual(output, input)
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def test_reverse(self):
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b = b'hello'
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self.assertEqual(b.reverse(), None)
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self.assertEqual(b, b'olleh')
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b = b'hello1' # test even number of items
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b.reverse()
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self.assertEqual(b, b'1olleh')
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b = bytes()
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b.reverse()
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self.assertFalse(b)
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def test_getslice(self):
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def by(s):
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return bytes(map(ord, s))
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b = by("Hello, world")
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self.assertEqual(b[:5], by("Hello"))
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self.assertEqual(b[1:5], by("ello"))
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self.assertEqual(b[5:7], by(", "))
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self.assertEqual(b[7:], by("world"))
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self.assertEqual(b[7:12], by("world"))
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self.assertEqual(b[7:100], by("world"))
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self.assertEqual(b[:-7], by("Hello"))
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self.assertEqual(b[-11:-7], by("ello"))
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self.assertEqual(b[-7:-5], by(", "))
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self.assertEqual(b[-5:], by("world"))
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self.assertEqual(b[-5:12], by("world"))
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self.assertEqual(b[-5:100], by("world"))
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self.assertEqual(b[-100:5], by("Hello"))
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def test_extended_getslice(self):
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# Test extended slicing by comparing with list slicing.
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L = list(range(255))
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b = bytes(L)
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indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)
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for start in indices:
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for stop in indices:
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# Skip step 0 (invalid)
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for step in indices[1:]:
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self.assertEqual(b[start:stop:step], bytes(L[start:stop:step]))
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def test_regexps(self):
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def by(s):
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return bytes(map(ord, s))
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b = by("Hello, world")
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self.assertEqual(re.findall(r"\w+", b), [by("Hello"), by("world")])
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def test_setitem(self):
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b = bytes([1, 2, 3])
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b[1] = 100
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self.assertEqual(b, bytes([1, 100, 3]))
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b[-1] = 200
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self.assertEqual(b, bytes([1, 100, 200]))
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class C:
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def __init__(self, i=0):
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self.i = i
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def __index__(self):
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return self.i
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b[0] = C(10)
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self.assertEqual(b, bytes([10, 100, 200]))
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try:
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b[3] = 0
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self.fail("Didn't raise IndexError")
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except IndexError:
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pass
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try:
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b[-10] = 0
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self.fail("Didn't raise IndexError")
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except IndexError:
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pass
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try:
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b[0] = 256
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self.fail("Didn't raise ValueError")
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except ValueError:
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pass
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try:
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b[0] = C(-1)
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self.fail("Didn't raise ValueError")
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except ValueError:
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pass
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try:
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b[0] = None
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self.fail("Didn't raise TypeError")
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except TypeError:
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pass
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def test_delitem(self):
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b = bytes(range(10))
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del b[0]
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self.assertEqual(b, bytes(range(1, 10)))
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del b[-1]
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self.assertEqual(b, bytes(range(1, 9)))
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del b[4]
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self.assertEqual(b, bytes([1, 2, 3, 4, 6, 7, 8]))
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def test_setslice(self):
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b = bytes(range(10))
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self.assertEqual(list(b), list(range(10)))
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b[0:5] = bytes([1, 1, 1, 1, 1])
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self.assertEqual(b, bytes([1, 1, 1, 1, 1, 5, 6, 7, 8, 9]))
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del b[0:-5]
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self.assertEqual(b, bytes([5, 6, 7, 8, 9]))
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b[0:0] = bytes([0, 1, 2, 3, 4])
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self.assertEqual(b, bytes(range(10)))
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b[-7:-3] = bytes([100, 101])
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self.assertEqual(b, bytes([0, 1, 2, 100, 101, 7, 8, 9]))
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b[3:5] = [3, 4, 5, 6]
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self.assertEqual(b, bytes(range(10)))
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b[3:0] = [42, 42, 42]
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self.assertEqual(b, bytes([0, 1, 2, 42, 42, 42, 3, 4, 5, 6, 7, 8, 9]))
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def test_extended_set_del_slice(self):
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indices = (0, None, 1, 3, 19, 300, -1, -2, -31, -300)
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for start in indices:
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for stop in indices:
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# Skip invalid step 0
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for step in indices[1:]:
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L = list(range(255))
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b = bytes(L)
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# Make sure we have a slice of exactly the right length,
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# but with different data.
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data = L[start:stop:step]
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data.reverse()
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L[start:stop:step] = data
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b[start:stop:step] = data
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self.assertEquals(b, bytes(L))
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del L[start:stop:step]
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del b[start:stop:step]
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self.assertEquals(b, bytes(L))
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def test_setslice_trap(self):
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# This test verifies that we correctly handle assigning self
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# to a slice of self (the old Lambert Meertens trap).
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b = bytes(range(256))
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b[8:] = b
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self.assertEqual(b, bytes(list(range(8)) + list(range(256))))
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def test_encoding(self):
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sample = "Hello world\n\u1234\u5678\u9abc\udef0"
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for enc in ("utf8", "utf16"):
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b = bytes(sample, enc)
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self.assertEqual(b, bytes(sample.encode(enc)))
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self.assertRaises(UnicodeEncodeError, bytes, sample, "latin1")
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b = bytes(sample, "latin1", "ignore")
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self.assertEqual(b, bytes(sample[:-4], "utf-8"))
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def test_decode(self):
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sample = "Hello world\n\u1234\u5678\u9abc\def0\def0"
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for enc in ("utf8", "utf16"):
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b = bytes(sample, enc)
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self.assertEqual(b.decode(enc), sample)
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sample = "Hello world\n\x80\x81\xfe\xff"
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b = bytes(sample, "latin1")
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self.assertRaises(UnicodeDecodeError, b.decode, "utf8")
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self.assertEqual(b.decode("utf8", "ignore"), "Hello world\n")
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def test_from_buffer(self):
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sample = str8(b"Hello world\n\x80\x81\xfe\xff")
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buf = memoryview(sample)
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b = bytes(buf)
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self.assertEqual(b, bytes(sample))
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def test_to_str(self):
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sample = "Hello world\n\x80\x81\xfe\xff"
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b = bytes(sample, "utf-8")
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self.assertEqual(str(b), sample)
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def test_from_int(self):
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b = bytes(0)
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self.assertEqual(b, bytes())
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b = bytes(10)
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self.assertEqual(b, bytes([0]*10))
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b = bytes(10000)
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self.assertEqual(b, bytes([0]*10000))
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def test_concat(self):
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b1 = b"abc"
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b2 = b"def"
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self.assertEqual(b1 + b2, b"abcdef")
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self.assertEqual(b1 + str8(b"def"), b"abcdef")
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self.assertEqual(str8(b"def") + b1, b"defabc")
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self.assertRaises(TypeError, lambda: b1 + "def")
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self.assertRaises(TypeError, lambda: "abc" + b2)
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def test_repeat(self):
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b = b"abc"
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self.assertEqual(b * 3, b"abcabcabc")
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self.assertEqual(b * 0, bytes())
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self.assertEqual(b * -1, bytes())
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self.assertRaises(TypeError, lambda: b * 3.14)
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self.assertRaises(TypeError, lambda: 3.14 * b)
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self.assertRaises(MemoryError, lambda: b * sys.maxint)
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def test_repeat_1char(self):
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self.assertEqual(b'x'*100, bytes([ord('x')]*100))
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def test_iconcat(self):
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b = b"abc"
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b1 = b
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b += b"def"
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self.assertEqual(b, b"abcdef")
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self.assertEqual(b, b1)
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self.failUnless(b is b1)
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b += str8(b"xyz")
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self.assertEqual(b, b"abcdefxyz")
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try:
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b += ""
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except TypeError:
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pass
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else:
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self.fail("bytes += unicode didn't raise TypeError")
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def test_irepeat(self):
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b = b"abc"
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b1 = b
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b *= 3
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self.assertEqual(b, b"abcabcabc")
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self.assertEqual(b, b1)
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self.failUnless(b is b1)
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def test_irepeat_1char(self):
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b = b"x"
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b1 = b
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b *= 100
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self.assertEqual(b, bytes([ord("x")]*100))
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self.assertEqual(b, b1)
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self.failUnless(b is b1)
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def test_contains(self):
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b = b"abc"
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self.failUnless(ord('a') in b)
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self.failUnless(int(ord('a')) in b)
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self.failIf(200 in b)
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self.failIf(200 in b)
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self.assertRaises(ValueError, lambda: 300 in b)
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self.assertRaises(ValueError, lambda: -1 in b)
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self.assertRaises(TypeError, lambda: None in b)
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self.assertRaises(TypeError, lambda: float(ord('a')) in b)
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self.assertRaises(TypeError, lambda: "a" in b)
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self.failUnless(b"" in b)
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self.failUnless(b"a" in b)
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self.failUnless(b"b" in b)
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self.failUnless(b"c" in b)
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self.failUnless(b"ab" in b)
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self.failUnless(b"bc" in b)
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self.failUnless(b"abc" in b)
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self.failIf(b"ac" in b)
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self.failIf(b"d" in b)
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self.failIf(b"dab" in b)
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self.failIf(b"abd" in b)
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def test_alloc(self):
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b = bytes()
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alloc = b.__alloc__()
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self.assert_(alloc >= 0)
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seq = [alloc]
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for i in range(100):
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b += b"x"
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alloc = b.__alloc__()
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self.assert_(alloc >= len(b))
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if alloc not in seq:
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seq.append(alloc)
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def test_fromhex(self):
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self.assertRaises(TypeError, bytes.fromhex)
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self.assertRaises(TypeError, bytes.fromhex, 1)
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self.assertEquals(bytes.fromhex(''), bytes())
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b = bytes([0x1a, 0x2b, 0x30])
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self.assertEquals(bytes.fromhex('1a2B30'), b)
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self.assertEquals(bytes.fromhex(' 1A 2B 30 '), b)
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self.assertEquals(bytes.fromhex('0000'), b'\0\0')
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self.assertRaises(TypeError, bytes.fromhex, b'1B')
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self.assertRaises(ValueError, bytes.fromhex, 'a')
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self.assertRaises(ValueError, bytes.fromhex, 'rt')
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|
self.assertRaises(ValueError, bytes.fromhex, '1a b cd')
|
|
self.assertRaises(ValueError, bytes.fromhex, '\x00')
|
|
self.assertRaises(ValueError, bytes.fromhex, '12 \x00 34')
|
|
|
|
def test_join(self):
|
|
self.assertEqual(b"".join([]), bytes())
|
|
self.assertEqual(b"".join([bytes()]), bytes())
|
|
for lst in [[b"abc"], [b"a", b"bc"], [b"ab", b"c"], [b"a", b"b", b"c"]]:
|
|
self.assertEqual(b"".join(lst), b"abc")
|
|
self.assertEqual(b"".join(tuple(lst)), b"abc")
|
|
self.assertEqual(b"".join(iter(lst)), b"abc")
|
|
self.assertEqual(b".".join([b"ab", b"cd"]), b"ab.cd")
|
|
# XXX more...
|
|
|
|
def test_literal(self):
|
|
tests = [
|
|
(b"Wonderful spam", "Wonderful spam"),
|
|
(br"Wonderful spam too", "Wonderful spam too"),
|
|
(b"\xaa\x00\000\200", "\xaa\x00\000\200"),
|
|
(br"\xaa\x00\000\200", r"\xaa\x00\000\200"),
|
|
]
|
|
for b, s in tests:
|
|
self.assertEqual(b, bytes(s, 'latin-1'))
|
|
for c in range(128, 256):
|
|
self.assertRaises(SyntaxError, eval,
|
|
'b"%s"' % chr(c))
|
|
|
|
def test_extend(self):
|
|
orig = b'hello'
|
|
a = bytes(orig)
|
|
a.extend(a)
|
|
self.assertEqual(a, orig + orig)
|
|
self.assertEqual(a[5:], orig)
|
|
|
|
def test_remove(self):
|
|
b = b'hello'
|
|
b.remove(ord('l'))
|
|
self.assertEqual(b, b'helo')
|
|
b.remove(ord('l'))
|
|
self.assertEqual(b, b'heo')
|
|
self.assertRaises(ValueError, lambda: b.remove(ord('l')))
|
|
self.assertRaises(ValueError, lambda: b.remove(400))
|
|
self.assertRaises(TypeError, lambda: b.remove('e'))
|
|
# remove first and last
|
|
b.remove(ord('o'))
|
|
b.remove(ord('h'))
|
|
self.assertEqual(b, b'e')
|
|
self.assertRaises(TypeError, lambda: b.remove(b'e'))
|
|
|
|
def test_pop(self):
|
|
b = b'world'
|
|
self.assertEqual(b.pop(), ord('d'))
|
|
self.assertEqual(b.pop(0), ord('w'))
|
|
self.assertEqual(b.pop(-2), ord('r'))
|
|
self.assertRaises(IndexError, lambda: b.pop(10))
|
|
self.assertRaises(OverflowError, lambda: bytes().pop())
|
|
|
|
def test_nosort(self):
|
|
self.assertRaises(AttributeError, lambda: bytes().sort())
|
|
|
|
def test_index(self):
|
|
b = b'parrot'
|
|
self.assertEqual(b.index('p'), 0)
|
|
self.assertEqual(b.index('rr'), 2)
|
|
self.assertEqual(b.index('t'), 5)
|
|
self.assertRaises(ValueError, lambda: b.index('w'))
|
|
|
|
def test_count(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.count(b'i'), 4)
|
|
self.assertEqual(b.count(b'ss'), 2)
|
|
self.assertEqual(b.count(b'w'), 0)
|
|
|
|
def test_append(self):
|
|
b = b'hell'
|
|
b.append(ord('o'))
|
|
self.assertEqual(b, b'hello')
|
|
self.assertEqual(b.append(100), None)
|
|
b = bytes()
|
|
b.append(ord('A'))
|
|
self.assertEqual(len(b), 1)
|
|
self.assertRaises(TypeError, lambda: b.append(b'o'))
|
|
|
|
def test_insert(self):
|
|
b = b'msssspp'
|
|
b.insert(1, ord('i'))
|
|
b.insert(4, ord('i'))
|
|
b.insert(-2, ord('i'))
|
|
b.insert(1000, ord('i'))
|
|
self.assertEqual(b, b'mississippi')
|
|
self.assertRaises(TypeError, lambda: b.insert(0, b'1'))
|
|
|
|
def test_startswith(self):
|
|
b = b'hello'
|
|
self.assertFalse(bytes().startswith(b"anything"))
|
|
self.assertTrue(b.startswith(b"hello"))
|
|
self.assertTrue(b.startswith(b"hel"))
|
|
self.assertTrue(b.startswith(b"h"))
|
|
self.assertFalse(b.startswith(b"hellow"))
|
|
self.assertFalse(b.startswith(b"ha"))
|
|
|
|
def test_endswith(self):
|
|
b = b'hello'
|
|
self.assertFalse(bytes().endswith(b"anything"))
|
|
self.assertTrue(b.endswith(b"hello"))
|
|
self.assertTrue(b.endswith(b"llo"))
|
|
self.assertTrue(b.endswith(b"o"))
|
|
self.assertFalse(b.endswith(b"whello"))
|
|
self.assertFalse(b.endswith(b"no"))
|
|
|
|
def test_find(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.find(b'ss'), 2)
|
|
self.assertEqual(b.find(b'ss', 3), 5)
|
|
self.assertEqual(b.find(b'ss', 1, 7), 2)
|
|
self.assertEqual(b.find(b'ss', 1, 3), -1)
|
|
self.assertEqual(b.find(b'w'), -1)
|
|
self.assertEqual(b.find(b'mississippian'), -1)
|
|
|
|
def test_rfind(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.rfind(b'ss'), 5)
|
|
self.assertEqual(b.rfind(b'ss', 3), 5)
|
|
self.assertEqual(b.rfind(b'ss', 0, 6), 2)
|
|
self.assertEqual(b.rfind(b'w'), -1)
|
|
self.assertEqual(b.rfind(b'mississippian'), -1)
|
|
|
|
def test_index(self):
|
|
b = b'world'
|
|
self.assertEqual(b.index(b'w'), 0)
|
|
self.assertEqual(b.index(b'orl'), 1)
|
|
self.assertRaises(ValueError, b.index, b'worm')
|
|
self.assertRaises(ValueError, b.index, b'ldo')
|
|
|
|
def test_rindex(self):
|
|
# XXX could be more rigorous
|
|
b = b'world'
|
|
self.assertEqual(b.rindex(b'w'), 0)
|
|
self.assertEqual(b.rindex(b'orl'), 1)
|
|
self.assertRaises(ValueError, b.rindex, b'worm')
|
|
self.assertRaises(ValueError, b.rindex, b'ldo')
|
|
|
|
def test_replace(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.replace(b'i', b'a'), b'massassappa')
|
|
self.assertEqual(b.replace(b'ss', b'x'), b'mixixippi')
|
|
|
|
def test_translate(self):
|
|
b = b'hello'
|
|
rosetta = bytes(range(0, 256))
|
|
rosetta[ord('o')] = ord('e')
|
|
c = b.translate(rosetta, b'l')
|
|
self.assertEqual(b, b'hello')
|
|
self.assertEqual(c, b'hee')
|
|
|
|
def test_split(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.split(b'i'), [b'm', b'ss', b'ss', b'pp', b''])
|
|
self.assertEqual(b.split(b'ss'), [b'mi', b'i', b'ippi'])
|
|
self.assertEqual(b.split(b'w'), [b])
|
|
|
|
def test_split_whitespace(self):
|
|
for b in (b' arf barf ', b'arf\tbarf', b'arf\nbarf', b'arf\rbarf',
|
|
b'arf\fbarf', b'arf\vbarf'):
|
|
self.assertEqual(b.split(), [b'arf', b'barf'])
|
|
self.assertEqual(b.split(None), [b'arf', b'barf'])
|
|
self.assertEqual(b.split(None, 2), [b'arf', b'barf'])
|
|
self.assertEqual(b' a bb c '.split(None, 0), [b'a bb c '])
|
|
self.assertEqual(b' a bb c '.split(None, 1), [b'a', b'bb c '])
|
|
self.assertEqual(b' a bb c '.split(None, 2), [b'a', b'bb', b'c '])
|
|
self.assertEqual(b' a bb c '.split(None, 3), [b'a', b'bb', b'c'])
|
|
|
|
def test_split_buffer(self):
|
|
self.assertEqual(b'a b'.split(memoryview(b' ')), [b'a', b'b'])
|
|
|
|
def test_split_string_error(self):
|
|
self.assertRaises(TypeError, b'a b'.split, ' ')
|
|
|
|
def test_rsplit(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.rsplit(b'i'), [b'm', b'ss', b'ss', b'pp', b''])
|
|
self.assertEqual(b.rsplit(b'ss'), [b'mi', b'i', b'ippi'])
|
|
self.assertEqual(b.rsplit(b'w'), [b])
|
|
|
|
def test_rsplit_whitespace(self):
|
|
for b in (b' arf barf ', b'arf\tbarf', b'arf\nbarf', b'arf\rbarf',
|
|
b'arf\fbarf', b'arf\vbarf'):
|
|
self.assertEqual(b.rsplit(), [b'arf', b'barf'])
|
|
self.assertEqual(b.rsplit(None), [b'arf', b'barf'])
|
|
self.assertEqual(b.rsplit(None, 2), [b'arf', b'barf'])
|
|
self.assertEqual(b' a bb c '.rsplit(None, 0), [b' a bb c'])
|
|
self.assertEqual(b' a bb c '.rsplit(None, 1), [b' a bb', b'c'])
|
|
self.assertEqual(b' a bb c '.rsplit(None,2), [b' a', b'bb', b'c'])
|
|
self.assertEqual(b' a bb c '.rsplit(None, 3), [b'a', b'bb', b'c'])
|
|
|
|
def test_rplit_buffer(self):
|
|
self.assertEqual(b'a b'.rsplit(memoryview(b' ')), [b'a', b'b'])
|
|
|
|
def test_rplit_string_error(self):
|
|
self.assertRaises(TypeError, b'a b'.rsplit, ' ')
|
|
|
|
def test_partition(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.partition(b'ss'), (b'mi', b'ss', b'issippi'))
|
|
self.assertEqual(b.rpartition(b'w'), (b'', b'', b'mississippi'))
|
|
|
|
def test_rpartition(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.rpartition(b'ss'), (b'missi', b'ss', b'ippi'))
|
|
self.assertEqual(b.rpartition(b'i'), (b'mississipp', b'i', b''))
|
|
|
|
def test_pickling(self):
|
|
for proto in range(pickle.HIGHEST_PROTOCOL):
|
|
for b in b"", b"a", b"abc", b"\xffab\x80", b"\0\0\377\0\0":
|
|
ps = pickle.dumps(b, proto)
|
|
q = pickle.loads(ps)
|
|
self.assertEqual(b, q)
|
|
|
|
def test_strip(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.strip(b'i'), b'mississipp')
|
|
self.assertEqual(b.strip(b'm'), b'ississippi')
|
|
self.assertEqual(b.strip(b'pi'), b'mississ')
|
|
self.assertEqual(b.strip(b'im'), b'ssissipp')
|
|
self.assertEqual(b.strip(b'pim'), b'ssiss')
|
|
self.assertEqual(b.strip(b), b'')
|
|
|
|
def test_lstrip(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.lstrip(b'i'), b'mississippi')
|
|
self.assertEqual(b.lstrip(b'm'), b'ississippi')
|
|
self.assertEqual(b.lstrip(b'pi'), b'mississippi')
|
|
self.assertEqual(b.lstrip(b'im'), b'ssissippi')
|
|
self.assertEqual(b.lstrip(b'pim'), b'ssissippi')
|
|
|
|
def test_rstrip(self):
|
|
b = b'mississippi'
|
|
self.assertEqual(b.rstrip(b'i'), b'mississipp')
|
|
self.assertEqual(b.rstrip(b'm'), b'mississippi')
|
|
self.assertEqual(b.rstrip(b'pi'), b'mississ')
|
|
self.assertEqual(b.rstrip(b'im'), b'mississipp')
|
|
self.assertEqual(b.rstrip(b'pim'), b'mississ')
|
|
|
|
def test_strip_whitespace(self):
|
|
b = b' \t\n\r\f\vabc \t\n\r\f\v'
|
|
self.assertEqual(b.strip(), b'abc')
|
|
self.assertEqual(b.lstrip(), b'abc \t\n\r\f\v')
|
|
self.assertEqual(b.rstrip(), b' \t\n\r\f\vabc')
|
|
|
|
def test_strip_buffer(self):
|
|
self.assertEqual(b'abc'.strip(memoryview(b'ac')), b'b')
|
|
self.assertEqual(b'abc'.lstrip(memoryview(b'ac')), b'bc')
|
|
self.assertEqual(b'abc'.rstrip(memoryview(b'ac')), b'ab')
|
|
|
|
def test_strip_string_error(self):
|
|
self.assertRaises(TypeError, b'abc'.strip, 'b')
|
|
self.assertRaises(TypeError, b'abc'.lstrip, 'b')
|
|
self.assertRaises(TypeError, b'abc'.rstrip, 'b')
|
|
|
|
def test_ord(self):
|
|
b = b'\0A\x7f\x80\xff'
|
|
self.assertEqual([ord(b[i:i+1]) for i in range(len(b))],
|
|
[0, 65, 127, 128, 255])
|
|
|
|
# Optimizations:
|
|
# __iter__? (optimization)
|
|
# __reversed__? (optimization)
|
|
|
|
# XXX More string methods? (Those that don't use character properties)
|
|
|
|
# There are tests in string_tests.py that are more
|
|
# comprehensive for things like split, partition, etc.
|
|
# Unfortunately they are all bundled with tests that
|
|
# are not appropriate for bytes
|
|
|
|
# I've started porting some of those into buffer_tests.py, we should port
|
|
# the rest that make sense (the code can be cleaned up to use modern
|
|
# unittest methods at the same time).
|
|
|
|
class BufferPEP3137Test(unittest.TestCase,
|
|
test.buffer_tests.MixinBytesBufferCommonTests):
|
|
def marshal(self, x):
|
|
return bytes(x)
|
|
# TODO this should become:
|
|
#return buffer(x)
|
|
# once the bytes -> buffer and str8 -> bytes rename happens
|
|
|
|
def test_returns_new_copy(self):
|
|
val = self.marshal(b'1234')
|
|
# On immutable types these MAY return a reference to themselves
|
|
# but on mutable types like buffer they MUST return a new copy.
|
|
for methname in ('zfill', 'rjust', 'ljust', 'center'):
|
|
method = getattr(val, methname)
|
|
newval = method(3)
|
|
self.assertEqual(val, newval)
|
|
self.assertTrue(val is not newval,
|
|
methname+' returned self on a mutable object')
|
|
|
|
|
|
class BytesAsStringTest(test.string_tests.BaseTest):
|
|
type2test = bytes
|
|
|
|
def fixtype(self, obj):
|
|
if isinstance(obj, str):
|
|
return obj.encode("utf-8")
|
|
return super().fixtype(obj)
|
|
|
|
# Currently the bytes containment testing uses a single integer
|
|
# value. This may not be the final design, but until then the
|
|
# bytes section with in a bytes containment not valid
|
|
def test_contains(self):
|
|
pass
|
|
def test_expandtabs(self):
|
|
pass
|
|
def test_upper(self):
|
|
pass
|
|
def test_lower(self):
|
|
pass
|
|
|
|
|
|
def test_main():
|
|
test.test_support.run_unittest(BytesTest)
|
|
test.test_support.run_unittest(BytesAsStringTest)
|
|
test.test_support.run_unittest(BufferPEP3137Test)
|
|
|
|
if __name__ == "__main__":
|
|
##test_main()
|
|
unittest.main()
|