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Diffstat (limited to 'lib/python2.7/test/test_bytes.py')
| -rw-r--r-- | lib/python2.7/test/test_bytes.py | 1140 |
1 files changed, 0 insertions, 1140 deletions
diff --git a/lib/python2.7/test/test_bytes.py b/lib/python2.7/test/test_bytes.py deleted file mode 100644 index 988b931..0000000 --- a/lib/python2.7/test/test_bytes.py +++ /dev/null @@ -1,1140 +0,0 @@ -"""Unit tests for the bytes and bytearray types. - -XXX This is a mess. Common tests should be moved to buffer_tests.py, -which itself ought to be unified with string_tests.py (and the latter -should be modernized). -""" - -import os -import re -import sys -import copy -import functools -import pickle -import tempfile -import unittest -import test.test_support -import test.string_tests -import test.buffer_tests - - -if sys.flags.bytes_warning: - def check_bytes_warnings(func): - @functools.wraps(func) - def wrapper(*args, **kw): - with test.test_support.check_warnings(('', BytesWarning)): - return func(*args, **kw) - return wrapper -else: - # no-op - def check_bytes_warnings(func): - return func - - -class Indexable: - def __init__(self, value=0): - self.value = value - def __index__(self): - return self.value - - -class BaseBytesTest(unittest.TestCase): - - def test_basics(self): - b = self.type2test() - self.assertEqual(type(b), self.type2test) - self.assertEqual(b.__class__, self.type2test) - - def test_empty_sequence(self): - b = self.type2test() - self.assertEqual(len(b), 0) - self.assertRaises(IndexError, lambda: b[0]) - self.assertRaises(IndexError, lambda: b[1]) - self.assertRaises(IndexError, lambda: b[sys.maxint]) - self.assertRaises(IndexError, lambda: b[sys.maxint+1]) - self.assertRaises(IndexError, lambda: b[10**100]) - self.assertRaises(IndexError, lambda: b[-1]) - self.assertRaises(IndexError, lambda: b[-2]) - self.assertRaises(IndexError, lambda: b[-sys.maxint]) - self.assertRaises(IndexError, lambda: b[-sys.maxint-1]) - self.assertRaises(IndexError, lambda: b[-sys.maxint-2]) - self.assertRaises(IndexError, lambda: b[-10**100]) - - def test_from_list(self): - ints = list(range(256)) - b = self.type2test(i for i in ints) - self.assertEqual(len(b), 256) - self.assertEqual(list(b), ints) - - def test_from_index(self): - b = self.type2test([Indexable(), Indexable(1), Indexable(254), - Indexable(255)]) - self.assertEqual(list(b), [0, 1, 254, 255]) - self.assertRaises(ValueError, self.type2test, [Indexable(-1)]) - self.assertRaises(ValueError, self.type2test, [Indexable(256)]) - - def test_from_ssize(self): - self.assertEqual(self.type2test(0), b'') - self.assertEqual(self.type2test(1), b'\x00') - self.assertEqual(self.type2test(5), b'\x00\x00\x00\x00\x00') - self.assertRaises(ValueError, self.type2test, -1) - - self.assertEqual(self.type2test('0', 'ascii'), b'0') - self.assertEqual(self.type2test(b'0'), b'0') - self.assertRaises(OverflowError, self.type2test, sys.maxsize + 1) - - def test_constructor_type_errors(self): - self.assertRaises(TypeError, self.type2test, 0.0) - class C: - pass - # allowed in 2.x - #self.assertRaises(TypeError, self.type2test, ["0"]) - self.assertRaises(TypeError, self.type2test, [0.0]) - self.assertRaises(TypeError, self.type2test, [None]) - self.assertRaises(TypeError, self.type2test, [C()]) - - def test_constructor_value_errors(self): - self.assertRaises(ValueError, self.type2test, [-1]) - self.assertRaises(ValueError, self.type2test, [-sys.maxint]) - self.assertRaises(ValueError, self.type2test, [-sys.maxint-1]) - self.assertRaises(ValueError, self.type2test, [-sys.maxint-2]) - self.assertRaises(ValueError, self.type2test, [-10**100]) - self.assertRaises(ValueError, self.type2test, [256]) - self.assertRaises(ValueError, self.type2test, [257]) - self.assertRaises(ValueError, self.type2test, [sys.maxint]) - self.assertRaises(ValueError, self.type2test, [sys.maxint+1]) - self.assertRaises(ValueError, self.type2test, [10**100]) - - def test_compare(self): - b1 = self.type2test([1, 2, 3]) - b2 = self.type2test([1, 2, 3]) - b3 = self.type2test([1, 3]) - - self.assertEqual(b1, b2) - self.assertTrue(b2 != b3) - self.assertTrue(b1 <= b2) - self.assertTrue(b1 <= b3) - self.assertTrue(b1 < b3) - self.assertTrue(b1 >= b2) - self.assertTrue(b3 >= b2) - self.assertTrue(b3 > b2) - - self.assertFalse(b1 != b2) - self.assertFalse(b2 == b3) - self.assertFalse(b1 > b2) - self.assertFalse(b1 > b3) - self.assertFalse(b1 >= b3) - self.assertFalse(b1 < b2) - self.assertFalse(b3 < b2) - self.assertFalse(b3 <= b2) - - @check_bytes_warnings - def test_compare_to_str(self): - # Byte comparisons with unicode should always fail! - # Test this for all expected byte orders and Unicode character sizes - self.assertEqual(self.type2test(b"\0a\0b\0c") == u"abc", False) - self.assertEqual(self.type2test(b"\0\0\0a\0\0\0b\0\0\0c") == u"abc", False) - self.assertEqual(self.type2test(b"a\0b\0c\0") == u"abc", False) - self.assertEqual(self.type2test(b"a\0\0\0b\0\0\0c\0\0\0") == u"abc", False) - self.assertEqual(self.type2test() == unicode(), False) - self.assertEqual(self.type2test() != unicode(), True) - - def test_reversed(self): - input = list(map(ord, "Hello")) - b = self.type2test(input) - output = list(reversed(b)) - input.reverse() - self.assertEqual(output, input) - - def test_getslice(self): - def by(s): - return self.type2test(map(ord, s)) - b = by("Hello, world") - - self.assertEqual(b[:5], by("Hello")) - self.assertEqual(b[1:5], by("ello")) - self.assertEqual(b[5:7], by(", ")) - self.assertEqual(b[7:], by("world")) - self.assertEqual(b[7:12], by("world")) - self.assertEqual(b[7:100], by("world")) - - self.assertEqual(b[:-7], by("Hello")) - self.assertEqual(b[-11:-7], by("ello")) - self.assertEqual(b[-7:-5], by(", ")) - self.assertEqual(b[-5:], by("world")) - self.assertEqual(b[-5:12], by("world")) - self.assertEqual(b[-5:100], by("world")) - self.assertEqual(b[-100:5], by("Hello")) - - def test_extended_getslice(self): - # Test extended slicing by comparing with list slicing. - L = list(range(255)) - b = self.type2test(L) - indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100) - for start in indices: - for stop in indices: - # Skip step 0 (invalid) - for step in indices[1:]: - self.assertEqual(b[start:stop:step], self.type2test(L[start:stop:step])) - - def test_encoding(self): - sample = u"Hello world\n\u1234\u5678\u9abc\udef0" - for enc in ("utf8", "utf16"): - b = self.type2test(sample, enc) - self.assertEqual(b, self.type2test(sample.encode(enc))) - self.assertRaises(UnicodeEncodeError, self.type2test, sample, "latin1") - b = self.type2test(sample, "latin1", "ignore") - self.assertEqual(b, self.type2test(sample[:-4], "utf-8")) - - def test_decode(self): - sample = u"Hello world\n\u1234\u5678\u9abc\def0\def0" - for enc in ("utf8", "utf16"): - b = self.type2test(sample, enc) - self.assertEqual(b.decode(enc), sample) - sample = u"Hello world\n\x80\x81\xfe\xff" - b = self.type2test(sample, "latin1") - self.assertRaises(UnicodeDecodeError, b.decode, "utf8") - self.assertEqual(b.decode("utf8", "ignore"), "Hello world\n") - self.assertEqual(b.decode(errors="ignore", encoding="utf8"), - "Hello world\n") - - def test_from_int(self): - b = self.type2test(0) - self.assertEqual(b, self.type2test()) - b = self.type2test(10) - self.assertEqual(b, self.type2test([0]*10)) - b = self.type2test(10000) - self.assertEqual(b, self.type2test([0]*10000)) - - def test_concat(self): - b1 = self.type2test(b"abc") - b2 = self.type2test(b"def") - self.assertEqual(b1 + b2, b"abcdef") - self.assertEqual(b1 + bytes(b"def"), b"abcdef") - self.assertEqual(bytes(b"def") + b1, b"defabc") - self.assertRaises(TypeError, lambda: b1 + u"def") - self.assertRaises(TypeError, lambda: u"abc" + b2) - - def test_repeat(self): - for b in b"abc", self.type2test(b"abc"): - self.assertEqual(b * 3, b"abcabcabc") - self.assertEqual(b * 0, b"") - self.assertEqual(b * -1, b"") - self.assertRaises(TypeError, lambda: b * 3.14) - self.assertRaises(TypeError, lambda: 3.14 * b) - # XXX Shouldn't bytes and bytearray agree on what to raise? - self.assertRaises((OverflowError, MemoryError), - lambda: b * sys.maxsize) - - def test_repeat_1char(self): - self.assertEqual(self.type2test(b'x')*100, self.type2test([ord('x')]*100)) - - def test_contains(self): - b = self.type2test(b"abc") - self.assertIn(ord('a'), b) - self.assertIn(int(ord('a')), b) - self.assertNotIn(200, b) - self.assertRaises(ValueError, lambda: 300 in b) - self.assertRaises(ValueError, lambda: -1 in b) - self.assertRaises(TypeError, lambda: None in b) - self.assertRaises(TypeError, lambda: float(ord('a')) in b) - self.assertRaises(TypeError, lambda: u"a" in b) - for f in bytes, bytearray: - self.assertIn(f(b""), b) - self.assertIn(f(b"a"), b) - self.assertIn(f(b"b"), b) - self.assertIn(f(b"c"), b) - self.assertIn(f(b"ab"), b) - self.assertIn(f(b"bc"), b) - self.assertIn(f(b"abc"), b) - self.assertNotIn(f(b"ac"), b) - self.assertNotIn(f(b"d"), b) - self.assertNotIn(f(b"dab"), b) - self.assertNotIn(f(b"abd"), b) - - def test_fromhex(self): - self.assertRaises(TypeError, self.type2test.fromhex) - self.assertRaises(TypeError, self.type2test.fromhex, 1) - self.assertEqual(self.type2test.fromhex(u''), self.type2test()) - b = bytearray([0x1a, 0x2b, 0x30]) - self.assertEqual(self.type2test.fromhex(u'1a2B30'), b) - self.assertEqual(self.type2test.fromhex(u' 1A 2B 30 '), b) - self.assertEqual(self.type2test.fromhex(u'0000'), b'\0\0') - self.assertRaises(ValueError, self.type2test.fromhex, u'a') - self.assertRaises(ValueError, self.type2test.fromhex, u'rt') - self.assertRaises(ValueError, self.type2test.fromhex, u'1a b cd') - self.assertRaises(ValueError, self.type2test.fromhex, u'\x00') - self.assertRaises(ValueError, self.type2test.fromhex, u'12 \x00 34') - - def test_join(self): - self.assertEqual(self.type2test(b"").join([]), b"") - self.assertEqual(self.type2test(b"").join([b""]), b"") - for lst in [[b"abc"], [b"a", b"bc"], [b"ab", b"c"], [b"a", b"b", b"c"]]: - lst = list(map(self.type2test, lst)) - self.assertEqual(self.type2test(b"").join(lst), b"abc") - self.assertEqual(self.type2test(b"").join(tuple(lst)), b"abc") - self.assertEqual(self.type2test(b"").join(iter(lst)), b"abc") - self.assertEqual(self.type2test(b".").join([b"ab", b"cd"]), b"ab.cd") - # XXX more... - - def test_count(self): - b = self.type2test(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_startswith(self): - b = self.type2test(b'hello') - self.assertFalse(self.type2test().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 = self.type2test(b'hello') - self.assertFalse(bytearray().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 = self.type2test(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 = self.type2test(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 = self.type2test(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 = self.type2test(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 = self.type2test(b'mississippi') - self.assertEqual(b.replace(b'i', b'a'), b'massassappa') - self.assertEqual(b.replace(b'ss', b'x'), b'mixixippi') - - def test_split(self): - b = self.type2test(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'): - b = self.type2test(b) - 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']) - for b in (b'a\x1Cb', b'a\x1Db', b'a\x1Eb', b'a\x1Fb'): - b = self.type2test(b) - self.assertEqual(b.split(), [b]) - self.assertEqual(self.type2test(b' a bb c ').split(None, 0), [b'a bb c ']) - self.assertEqual(self.type2test(b' a bb c ').split(None, 1), [b'a', b'bb c ']) - self.assertEqual(self.type2test(b' a bb c ').split(None, 2), [b'a', b'bb', b'c ']) - self.assertEqual(self.type2test(b' a bb c ').split(None, 3), [b'a', b'bb', b'c']) - - def test_split_string_error(self): - self.assertRaises(TypeError, self.type2test(b'a b').split, u' ') - - def test_split_unicodewhitespace(self): - b = self.type2test(b"\x09\x0A\x0B\x0C\x0D\x1C\x1D\x1E\x1F") - self.assertEqual(b.split(), [b'\x1c\x1d\x1e\x1f']) - - def test_rsplit(self): - b = self.type2test(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'): - b = self.type2test(b) - 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(self.type2test(b' a bb c ').rsplit(None, 0), [b' a bb c']) - self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 1), [b' a bb', b'c']) - self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 2), [b' a', b'bb', b'c']) - self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 3), [b'a', b'bb', b'c']) - - def test_rsplit_string_error(self): - self.assertRaises(TypeError, self.type2test(b'a b').rsplit, u' ') - - def test_rsplit_unicodewhitespace(self): - b = self.type2test(b"\x09\x0A\x0B\x0C\x0D\x1C\x1D\x1E\x1F") - self.assertEqual(b.rsplit(), [b'\x1c\x1d\x1e\x1f']) - - def test_partition(self): - b = self.type2test(b'mississippi') - self.assertEqual(b.partition(b'ss'), (b'mi', b'ss', b'issippi')) - self.assertEqual(b.partition(b'w'), (b'mississippi', b'', b'')) - - def test_rpartition(self): - b = self.type2test(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'')) - self.assertEqual(b.rpartition(b'w'), (b'', b'', b'mississippi')) - - def test_pickling(self): - for proto in range(pickle.HIGHEST_PROTOCOL + 1): - for b in b"", b"a", b"abc", b"\xffab\x80", b"\0\0\377\0\0": - b = self.type2test(b) - ps = pickle.dumps(b, proto) - q = pickle.loads(ps) - self.assertEqual(b, q) - - def test_strip(self): - b = self.type2test(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 = self.type2test(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 = self.type2test(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 = self.type2test(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_bytearray(self): - self.assertEqual(self.type2test(b'abc').strip(memoryview(b'ac')), b'b') - self.assertEqual(self.type2test(b'abc').lstrip(memoryview(b'ac')), b'bc') - self.assertEqual(self.type2test(b'abc').rstrip(memoryview(b'ac')), b'ab') - - def test_strip_string_error(self): - self.assertRaises(TypeError, self.type2test(b'abc').strip, u'b') - self.assertRaises(TypeError, self.type2test(b'abc').lstrip, u'b') - self.assertRaises(TypeError, self.type2test(b'abc').rstrip, u'b') - - def test_ord(self): - b = self.type2test(b'\0A\x7f\x80\xff') - self.assertEqual([ord(b[i:i+1]) for i in range(len(b))], - [0, 65, 127, 128, 255]) - - def test_none_arguments(self): - # issue 11828 - b = self.type2test(b'hello') - l = self.type2test(b'l') - h = self.type2test(b'h') - x = self.type2test(b'x') - o = self.type2test(b'o') - - self.assertEqual(2, b.find(l, None)) - self.assertEqual(3, b.find(l, -2, None)) - self.assertEqual(2, b.find(l, None, -2)) - self.assertEqual(0, b.find(h, None, None)) - - self.assertEqual(3, b.rfind(l, None)) - self.assertEqual(3, b.rfind(l, -2, None)) - self.assertEqual(2, b.rfind(l, None, -2)) - self.assertEqual(0, b.rfind(h, None, None)) - - self.assertEqual(2, b.index(l, None)) - self.assertEqual(3, b.index(l, -2, None)) - self.assertEqual(2, b.index(l, None, -2)) - self.assertEqual(0, b.index(h, None, None)) - - self.assertEqual(3, b.rindex(l, None)) - self.assertEqual(3, b.rindex(l, -2, None)) - self.assertEqual(2, b.rindex(l, None, -2)) - self.assertEqual(0, b.rindex(h, None, None)) - - self.assertEqual(2, b.count(l, None)) - self.assertEqual(1, b.count(l, -2, None)) - self.assertEqual(1, b.count(l, None, -2)) - self.assertEqual(0, b.count(x, None, None)) - - self.assertEqual(True, b.endswith(o, None)) - self.assertEqual(True, b.endswith(o, -2, None)) - self.assertEqual(True, b.endswith(l, None, -2)) - self.assertEqual(False, b.endswith(x, None, None)) - - self.assertEqual(True, b.startswith(h, None)) - self.assertEqual(True, b.startswith(l, -2, None)) - self.assertEqual(True, b.startswith(h, None, -2)) - self.assertEqual(False, b.startswith(x, None, None)) - - def test_find_etc_raise_correct_error_messages(self): - # issue 11828 - b = self.type2test(b'hello') - x = self.type2test(b'x') - self.assertRaisesRegexp(TypeError, r'\bfind\b', b.find, - x, None, None, None) - self.assertRaisesRegexp(TypeError, r'\brfind\b', b.rfind, - x, None, None, None) - self.assertRaisesRegexp(TypeError, r'\bindex\b', b.index, - x, None, None, None) - self.assertRaisesRegexp(TypeError, r'\brindex\b', b.rindex, - x, None, None, None) - self.assertRaisesRegexp(TypeError, r'\bcount\b', b.count, - x, None, None, None) - self.assertRaisesRegexp(TypeError, r'\bstartswith\b', b.startswith, - x, None, None, None) - self.assertRaisesRegexp(TypeError, r'\bendswith\b', b.endswith, - x, None, None, None) - - -class ByteArrayTest(BaseBytesTest): - type2test = bytearray - - def test_nohash(self): - self.assertRaises(TypeError, hash, bytearray()) - - def test_bytearray_api(self): - short_sample = b"Hello world\n" - sample = short_sample + b"\0"*(20 - len(short_sample)) - tfn = tempfile.mktemp() - try: - # Prepare - with open(tfn, "wb") as f: - f.write(short_sample) - # Test readinto - with open(tfn, "rb") as f: - b = bytearray(20) - n = f.readinto(b) - self.assertEqual(n, len(short_sample)) - # Python 2.x - b_sample = (ord(s) for s in sample) - self.assertEqual(list(b), list(b_sample)) - # Test writing in binary mode - with open(tfn, "wb") as f: - f.write(b) - with open(tfn, "rb") as f: - self.assertEqual(f.read(), sample) - # Text mode is ambiguous; don't test - finally: - try: - os.remove(tfn) - except os.error: - pass - - def test_reverse(self): - b = bytearray(b'hello') - self.assertEqual(b.reverse(), None) - self.assertEqual(b, b'olleh') - b = bytearray(b'hello1') # test even number of items - b.reverse() - self.assertEqual(b, b'1olleh') - b = bytearray() - b.reverse() - self.assertFalse(b) - - def test_regexps(self): - def by(s): - return bytearray(map(ord, s)) - b = by("Hello, world") - self.assertEqual(re.findall(r"\w+", b), [by("Hello"), by("world")]) - - def test_setitem(self): - b = bytearray([1, 2, 3]) - b[1] = 100 - self.assertEqual(b, bytearray([1, 100, 3])) - b[-1] = 200 - self.assertEqual(b, bytearray([1, 100, 200])) - b[0] = Indexable(10) - self.assertEqual(b, bytearray([10, 100, 200])) - try: - b[3] = 0 - self.fail("Didn't raise IndexError") - except IndexError: - pass - try: - b[-10] = 0 - self.fail("Didn't raise IndexError") - except IndexError: - pass - try: - b[0] = 256 - self.fail("Didn't raise ValueError") - except ValueError: - pass - try: - b[0] = Indexable(-1) - self.fail("Didn't raise ValueError") - except ValueError: - pass - try: - b[0] = None - self.fail("Didn't raise TypeError") - except TypeError: - pass - - def test_delitem(self): - b = bytearray(range(10)) - del b[0] - self.assertEqual(b, bytearray(range(1, 10))) - del b[-1] - self.assertEqual(b, bytearray(range(1, 9))) - del b[4] - self.assertEqual(b, bytearray([1, 2, 3, 4, 6, 7, 8])) - - def test_setslice(self): - b = bytearray(range(10)) - self.assertEqual(list(b), list(range(10))) - - b[0:5] = bytearray([1, 1, 1, 1, 1]) - self.assertEqual(b, bytearray([1, 1, 1, 1, 1, 5, 6, 7, 8, 9])) - - del b[0:-5] - self.assertEqual(b, bytearray([5, 6, 7, 8, 9])) - - b[0:0] = bytearray([0, 1, 2, 3, 4]) - self.assertEqual(b, bytearray(range(10))) - - b[-7:-3] = bytearray([100, 101]) - self.assertEqual(b, bytearray([0, 1, 2, 100, 101, 7, 8, 9])) - - b[3:5] = [3, 4, 5, 6] - self.assertEqual(b, bytearray(range(10))) - - b[3:0] = [42, 42, 42] - self.assertEqual(b, bytearray([0, 1, 2, 42, 42, 42, 3, 4, 5, 6, 7, 8, 9])) - - b[3:] = b'foo' - self.assertEqual(b, bytearray([0, 1, 2, 102, 111, 111])) - - b[:3] = memoryview(b'foo') - self.assertEqual(b, bytearray([102, 111, 111, 102, 111, 111])) - - b[3:4] = [] - self.assertEqual(b, bytearray([102, 111, 111, 111, 111])) - - b[1:] = list(b'uuuu') # this works only on Python2 - self.assertEqual(b, bytearray([102, 117, 117, 117, 117])) - - for elem in [5, -5, 0, long(10e20), u'str', 2.3, [u'a', u'b'], [[]]]: - with self.assertRaises(TypeError): - b[3:4] = elem - - for elem in [[254, 255, 256], [-256, 9000]]: - with self.assertRaises(ValueError): - b[3:4] = elem - - def test_extended_set_del_slice(self): - indices = (0, None, 1, 3, 19, 300, 1<<333, -1, -2, -31, -300) - for start in indices: - for stop in indices: - # Skip invalid step 0 - for step in indices[1:]: - L = list(range(255)) - b = bytearray(L) - # Make sure we have a slice of exactly the right length, - # but with different data. - data = L[start:stop:step] - data.reverse() - L[start:stop:step] = data - b[start:stop:step] = data - self.assertEqual(b, bytearray(L)) - - del L[start:stop:step] - del b[start:stop:step] - self.assertEqual(b, bytearray(L)) - - def test_setslice_trap(self): - # This test verifies that we correctly handle assigning self - # to a slice of self (the old Lambert Meertens trap). - b = bytearray(range(256)) - b[8:] = b - self.assertEqual(b, bytearray(list(range(8)) + list(range(256)))) - - def test_iconcat(self): - b = bytearray(b"abc") - b1 = b - b += b"def" - self.assertEqual(b, b"abcdef") - self.assertEqual(b, b1) - self.assertTrue(b is b1) - b += b"xyz" - self.assertEqual(b, b"abcdefxyz") - try: - b += u"" - except TypeError: - pass - else: - self.fail("bytes += unicode didn't raise TypeError") - - def test_irepeat(self): - b = bytearray(b"abc") - b1 = b - b *= 3 - self.assertEqual(b, b"abcabcabc") - self.assertEqual(b, b1) - self.assertTrue(b is b1) - - def test_irepeat_1char(self): - b = bytearray(b"x") - b1 = b - b *= 100 - self.assertEqual(b, b"x"*100) - self.assertEqual(b, b1) - self.assertTrue(b is b1) - - def test_alloc(self): - b = bytearray() - alloc = b.__alloc__() - self.assertTrue(alloc >= 0) - seq = [alloc] - for i in range(100): - b += b"x" - alloc = b.__alloc__() - self.assertTrue(alloc >= len(b)) - if alloc not in seq: - seq.append(alloc) - - def test_extend(self): - orig = b'hello' - a = bytearray(orig) - a.extend(a) - self.assertEqual(a, orig + orig) - self.assertEqual(a[5:], orig) - a = bytearray(b'') - # Test iterators that don't have a __length_hint__ - a.extend(map(ord, orig * 25)) - a.extend(ord(x) for x in orig * 25) - self.assertEqual(a, orig * 50) - self.assertEqual(a[-5:], orig) - a = bytearray(b'') - a.extend(iter(map(ord, orig * 50))) - self.assertEqual(a, orig * 50) - self.assertEqual(a[-5:], orig) - a = bytearray(b'') - a.extend(list(map(ord, orig * 50))) - self.assertEqual(a, orig * 50) - self.assertEqual(a[-5:], orig) - a = bytearray(b'') - self.assertRaises(ValueError, a.extend, [0, 1, 2, 256]) - self.assertRaises(ValueError, a.extend, [0, 1, 2, -1]) - self.assertEqual(len(a), 0) - a = bytearray(b'') - a.extend([Indexable(ord('a'))]) - self.assertEqual(a, b'a') - - def test_remove(self): - b = bytearray(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(u'e')) - # remove first and last - b.remove(ord('o')) - b.remove(ord('h')) - self.assertEqual(b, b'e') - self.assertRaises(TypeError, lambda: b.remove(u'e')) - b.remove(Indexable(ord('e'))) - self.assertEqual(b, b'') - - def test_pop(self): - b = bytearray(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(IndexError, lambda: bytearray().pop()) - # test for issue #6846 - self.assertEqual(bytearray(b'\xff').pop(), 0xff) - - def test_nosort(self): - self.assertRaises(AttributeError, lambda: bytearray().sort()) - - def test_append(self): - b = bytearray(b'hell') - b.append(ord('o')) - self.assertEqual(b, b'hello') - self.assertEqual(b.append(100), None) - b = bytearray() - b.append(ord('A')) - self.assertEqual(len(b), 1) - self.assertRaises(TypeError, lambda: b.append(u'o')) - b = bytearray() - b.append(Indexable(ord('A'))) - self.assertEqual(b, b'A') - - def test_insert(self): - b = bytearray(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') - # allowed in 2.x - #self.assertRaises(TypeError, lambda: b.insert(0, b'1')) - b = bytearray() - b.insert(0, Indexable(ord('A'))) - self.assertEqual(b, b'A') - - def test_copied(self): - # Issue 4348. Make sure that operations that don't mutate the array - # copy the bytes. - b = bytearray(b'abc') - self.assertFalse(b is b.replace(b'abc', b'cde', 0)) - - t = bytearray([i for i in range(256)]) - x = bytearray(b'') - self.assertFalse(x is x.translate(t)) - - def test_partition_bytearray_doesnt_share_nullstring(self): - a, b, c = bytearray(b"x").partition(b"y") - self.assertEqual(b, b"") - self.assertEqual(c, b"") - self.assertTrue(b is not c) - b += b"!" - self.assertEqual(c, b"") - a, b, c = bytearray(b"x").partition(b"y") - self.assertEqual(b, b"") - self.assertEqual(c, b"") - # Same for rpartition - b, c, a = bytearray(b"x").rpartition(b"y") - self.assertEqual(b, b"") - self.assertEqual(c, b"") - self.assertTrue(b is not c) - b += b"!" - self.assertEqual(c, b"") - c, b, a = bytearray(b"x").rpartition(b"y") - self.assertEqual(b, b"") - self.assertEqual(c, b"") - - def test_resize_forbidden(self): - # #4509: can't resize a bytearray when there are buffer exports, even - # if it wouldn't reallocate the underlying buffer. - # Furthermore, no destructive changes to the buffer may be applied - # before raising the error. - b = bytearray(range(10)) - v = memoryview(b) - def resize(n): - b[1:-1] = range(n + 1, 2*n - 1) - resize(10) - orig = b[:] - self.assertRaises(BufferError, resize, 11) - self.assertEqual(b, orig) - self.assertRaises(BufferError, resize, 9) - self.assertEqual(b, orig) - self.assertRaises(BufferError, resize, 0) - self.assertEqual(b, orig) - # Other operations implying resize - self.assertRaises(BufferError, b.pop, 0) - self.assertEqual(b, orig) - self.assertRaises(BufferError, b.remove, b[1]) - self.assertEqual(b, orig) - def delitem(): - del b[1] - self.assertRaises(BufferError, delitem) - self.assertEqual(b, orig) - # deleting a non-contiguous slice - def delslice(): - b[1:-1:2] = b"" - self.assertRaises(BufferError, delslice) - self.assertEqual(b, orig) - - def test_empty_bytearray(self): - # Issue #7561: operations on empty bytearrays could crash in many - # situations, due to a fragile implementation of the - # PyByteArray_AS_STRING() C macro. - self.assertRaises(ValueError, int, bytearray(b'')) - - -class AssortedBytesTest(unittest.TestCase): - # - # Test various combinations of bytes and bytearray - # - - @check_bytes_warnings - def test_repr_str(self): - for f in str, repr: - self.assertEqual(f(bytearray()), "bytearray(b'')") - self.assertEqual(f(bytearray([0])), "bytearray(b'\\x00')") - self.assertEqual(f(bytearray([0, 1, 254, 255])), - "bytearray(b'\\x00\\x01\\xfe\\xff')") - self.assertEqual(f(b"abc"), "b'abc'") - self.assertEqual(f(b"'"), '''b"'"''') # ''' - self.assertEqual(f(b"'\""), r"""b'\'"'""") # ' - - def test_compare_bytes_to_bytearray(self): - self.assertEqual(b"abc" == bytes(b"abc"), True) - self.assertEqual(b"ab" != bytes(b"abc"), True) - self.assertEqual(b"ab" <= bytes(b"abc"), True) - self.assertEqual(b"ab" < bytes(b"abc"), True) - self.assertEqual(b"abc" >= bytes(b"ab"), True) - self.assertEqual(b"abc" > bytes(b"ab"), True) - - self.assertEqual(b"abc" != bytes(b"abc"), False) - self.assertEqual(b"ab" == bytes(b"abc"), False) - self.assertEqual(b"ab" > bytes(b"abc"), False) - self.assertEqual(b"ab" >= bytes(b"abc"), False) - self.assertEqual(b"abc" < bytes(b"ab"), False) - self.assertEqual(b"abc" <= bytes(b"ab"), False) - - self.assertEqual(bytes(b"abc") == b"abc", True) - self.assertEqual(bytes(b"ab") != b"abc", True) - self.assertEqual(bytes(b"ab") <= b"abc", True) - self.assertEqual(bytes(b"ab") < b"abc", True) - self.assertEqual(bytes(b"abc") >= b"ab", True) - self.assertEqual(bytes(b"abc") > b"ab", True) - - self.assertEqual(bytes(b"abc") != b"abc", False) - self.assertEqual(bytes(b"ab") == b"abc", False) - self.assertEqual(bytes(b"ab") > b"abc", False) - self.assertEqual(bytes(b"ab") >= b"abc", False) - self.assertEqual(bytes(b"abc") < b"ab", False) - self.assertEqual(bytes(b"abc") <= b"ab", False) - - @test.test_support.requires_docstrings - def test_doc(self): - self.assertIsNotNone(bytearray.__doc__) - self.assertTrue(bytearray.__doc__.startswith("bytearray("), bytearray.__doc__) - self.assertIsNotNone(bytes.__doc__) - self.assertTrue(bytes.__doc__.startswith("bytes("), bytes.__doc__) - - def test_from_bytearray(self): - sample = bytes(b"Hello world\n\x80\x81\xfe\xff") - buf = memoryview(sample) - b = bytearray(buf) - self.assertEqual(b, bytearray(sample)) - - @check_bytes_warnings - def test_to_str(self): - self.assertEqual(str(b''), "b''") - self.assertEqual(str(b'x'), "b'x'") - self.assertEqual(str(b'\x80'), "b'\\x80'") - self.assertEqual(str(bytearray(b'')), "bytearray(b'')") - self.assertEqual(str(bytearray(b'x')), "bytearray(b'x')") - self.assertEqual(str(bytearray(b'\x80')), "bytearray(b'\\x80')") - - 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, bytearray(s, 'latin-1')) - for c in range(128, 256): - self.assertRaises(SyntaxError, eval, - 'b"%s"' % chr(c)) - - def test_translate(self): - b = b'hello' - ba = bytearray(b) - rosetta = bytearray(range(0, 256)) - rosetta[ord('o')] = ord('e') - c = b.translate(rosetta, b'l') - self.assertEqual(b, b'hello') - self.assertEqual(c, b'hee') - c = ba.translate(rosetta, b'l') - self.assertEqual(ba, b'hello') - self.assertEqual(c, b'hee') - c = b.translate(None, b'e') - self.assertEqual(c, b'hllo') - c = ba.translate(None, b'e') - self.assertEqual(c, b'hllo') - self.assertRaises(TypeError, b.translate, None, None) - self.assertRaises(TypeError, ba.translate, None, None) - - def test_split_bytearray(self): - self.assertEqual(b'a b'.split(memoryview(b' ')), [b'a', b'b']) - - def test_rsplit_bytearray(self): - self.assertEqual(b'a b'.rsplit(memoryview(b' ')), [b'a', b'b']) - - # 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 bytearray_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 BytearrayPEP3137Test(unittest.TestCase, - test.buffer_tests.MixinBytesBufferCommonTests): - def marshal(self, x): - return bytearray(x) - - 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 bytearray 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') - for expr in ('val.split()[0]', 'val.rsplit()[0]', - 'val.partition(".")[0]', 'val.rpartition(".")[2]', - 'val.splitlines()[0]', 'val.replace("", "")'): - newval = eval(expr) - self.assertEqual(val, newval) - self.assertTrue(val is not newval, - expr+' returned val on a mutable object') - -class FixedStringTest(test.string_tests.BaseTest): - - def fixtype(self, obj): - if isinstance(obj, str): - return obj.encode("utf-8") - return super(FixedStringTest, self).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_hash(self): - # XXX check this out - pass - - -class ByteArrayAsStringTest(FixedStringTest): - type2test = bytearray - - -class ByteArraySubclass(bytearray): - pass - -class ByteArraySubclassTest(unittest.TestCase): - - def test_basic(self): - self.assertTrue(issubclass(ByteArraySubclass, bytearray)) - self.assertIsInstance(ByteArraySubclass(), bytearray) - - a, b = b"abcd", b"efgh" - _a, _b = ByteArraySubclass(a), ByteArraySubclass(b) - - # test comparison operators with subclass instances - self.assertTrue(_a == _a) - self.assertTrue(_a != _b) - self.assertTrue(_a < _b) - self.assertTrue(_a <= _b) - self.assertTrue(_b >= _a) - self.assertTrue(_b > _a) - self.assertTrue(_a is not a) - - # test concat of subclass instances - self.assertEqual(a + b, _a + _b) - self.assertEqual(a + b, a + _b) - self.assertEqual(a + b, _a + b) - - # test repeat - self.assertTrue(a*5 == _a*5) - - def test_join(self): - # Make sure join returns a NEW object for single item sequences - # involving a subclass. - # Make sure that it is of the appropriate type. - s1 = ByteArraySubclass(b"abcd") - s2 = bytearray().join([s1]) - self.assertTrue(s1 is not s2) - self.assertTrue(type(s2) is bytearray, type(s2)) - - # Test reverse, calling join on subclass - s3 = s1.join([b"abcd"]) - self.assertTrue(type(s3) is bytearray) - - def test_pickle(self): - a = ByteArraySubclass(b"abcd") - a.x = 10 - a.y = ByteArraySubclass(b"efgh") - for proto in range(pickle.HIGHEST_PROTOCOL + 1): - b = pickle.loads(pickle.dumps(a, proto)) - self.assertNotEqual(id(a), id(b)) - self.assertEqual(a, b) - self.assertEqual(a.x, b.x) - self.assertEqual(a.y, b.y) - self.assertEqual(type(a), type(b)) - self.assertEqual(type(a.y), type(b.y)) - - def test_copy(self): - a = ByteArraySubclass(b"abcd") - a.x = 10 - a.y = ByteArraySubclass(b"efgh") - for copy_method in (copy.copy, copy.deepcopy): - b = copy_method(a) - self.assertNotEqual(id(a), id(b)) - self.assertEqual(a, b) - self.assertEqual(a.x, b.x) - self.assertEqual(a.y, b.y) - self.assertEqual(type(a), type(b)) - self.assertEqual(type(a.y), type(b.y)) - - def test_init_override(self): - class subclass(bytearray): - def __init__(self, newarg=1, *args, **kwargs): - bytearray.__init__(self, *args, **kwargs) - x = subclass(4, source=b"abcd") - self.assertEqual(x, b"abcd") - x = subclass(newarg=4, source=b"abcd") - self.assertEqual(x, b"abcd") - -def test_main(): - #test.test_support.run_unittest(BytesTest) - #test.test_support.run_unittest(AssortedBytesTest) - #test.test_support.run_unittest(BytesAsStringTest) - test.test_support.run_unittest( - ByteArrayTest, - ByteArrayAsStringTest, - ByteArraySubclassTest, - BytearrayPEP3137Test) - -if __name__ == "__main__": - test_main() |