1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
import sys
from test import list_tests
import pickle
import unittest
class ListTest(list_tests.CommonTest):
type2test = list
def test_basic(self):
self.assertEqual(list([]), [])
l0_3 = [0, 1, 2, 3]
l0_3_bis = list(l0_3)
self.assertEqual(l0_3, l0_3_bis)
self.assertTrue(l0_3 is not l0_3_bis)
self.assertEqual(list(()), [])
self.assertEqual(list((0, 1, 2, 3)), [0, 1, 2, 3])
self.assertEqual(list(''), [])
self.assertEqual(list('spam'), ['s', 'p', 'a', 'm'])
self.assertEqual(list(x for x in range(10) if x % 2),
[1, 3, 5, 7, 9])
if sys.maxsize == 0x7fffffff:
# This test can currently only work on 32-bit machines.
# XXX If/when PySequence_Length() returns a ssize_t, it should be
# XXX re-enabled.
# Verify clearing of bug #556025.
# This assumes that the max data size (sys.maxint) == max
# address size this also assumes that the address size is at
# least 4 bytes with 8 byte addresses, the bug is not well
# tested
#
# Note: This test is expected to SEGV under Cygwin 1.3.12 or
# earlier due to a newlib bug. See the following mailing list
# thread for the details:
# http://sources.redhat.com/ml/newlib/2002/msg00369.html
self.assertRaises(MemoryError, list, range(sys.maxsize // 2))
# This code used to segfault in Py2.4a3
x = []
x.extend(-y for y in x)
self.assertEqual(x, [])
def test_keyword_args(self):
with self.assertWarns(DeprecationWarning):
self.assertEqual(list(sequence=(x for x in range(10) if x % 2)),
[1, 3, 5, 7, 9])
def test_truth(self):
super().test_truth()
self.assertTrue(not [])
self.assertTrue([42])
def test_identity(self):
self.assertTrue([] is not [])
def test_len(self):
super().test_len()
self.assertEqual(len([]), 0)
self.assertEqual(len([0]), 1)
self.assertEqual(len([0, 1, 2]), 3)
def test_overflow(self):
lst = [4, 5, 6, 7]
n = int((sys.maxsize*2+2) // len(lst))
def mul(a, b): return a * b
def imul(a, b): a *= b
self.assertRaises((MemoryError, OverflowError), mul, lst, n)
self.assertRaises((MemoryError, OverflowError), imul, lst, n)
def test_repr_large(self):
# Check the repr of large list objects
def check(n):
l = [0] * n
s = repr(l)
self.assertEqual(s,
'[' + ', '.join(['0'] * n) + ']')
check(10) # check our checking code
check(1000000)
def test_iterator_pickle(self):
orig = self.type2test([4, 5, 6, 7])
data = [10, 11, 12, 13, 14, 15]
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
# initial iterator
itorig = iter(orig)
d = pickle.dumps((itorig, orig), proto)
it, a = pickle.loads(d)
a[:] = data
self.assertEqual(type(it), type(itorig))
self.assertEqual(list(it), data)
# running iterator
next(itorig)
d = pickle.dumps((itorig, orig), proto)
it, a = pickle.loads(d)
a[:] = data
self.assertEqual(type(it), type(itorig))
self.assertEqual(list(it), data[1:])
# empty iterator
for i in range(1, len(orig)):
next(itorig)
d = pickle.dumps((itorig, orig), proto)
it, a = pickle.loads(d)
a[:] = data
self.assertEqual(type(it), type(itorig))
self.assertEqual(list(it), data[len(orig):])
# exhausted iterator
self.assertRaises(StopIteration, next, itorig)
d = pickle.dumps((itorig, orig), proto)
it, a = pickle.loads(d)
a[:] = data
self.assertEqual(list(it), [])
def test_reversed_pickle(self):
orig = self.type2test([4, 5, 6, 7])
data = [10, 11, 12, 13, 14, 15]
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
# initial iterator
itorig = reversed(orig)
d = pickle.dumps((itorig, orig), proto)
it, a = pickle.loads(d)
a[:] = data
self.assertEqual(type(it), type(itorig))
self.assertEqual(list(it), data[len(orig)-1::-1])
# running iterator
next(itorig)
d = pickle.dumps((itorig, orig), proto)
it, a = pickle.loads(d)
a[:] = data
self.assertEqual(type(it), type(itorig))
self.assertEqual(list(it), data[len(orig)-2::-1])
# empty iterator
for i in range(1, len(orig)):
next(itorig)
d = pickle.dumps((itorig, orig), proto)
it, a = pickle.loads(d)
a[:] = data
self.assertEqual(type(it), type(itorig))
self.assertEqual(list(it), [])
# exhausted iterator
self.assertRaises(StopIteration, next, itorig)
d = pickle.dumps((itorig, orig), proto)
it, a = pickle.loads(d)
a[:] = data
self.assertEqual(list(it), [])
def test_no_comdat_folding(self):
# Issue 8847: In the PGO build, the MSVC linker's COMDAT folding
# optimization causes failures in code that relies on distinct
# function addresses.
class L(list): pass
with self.assertRaises(TypeError):
(3,) + L([1,2])
if __name__ == "__main__":
unittest.main()
|
