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
|
# mode: run
# tag: cpp, werror
# cython: c_string_encoding=ascii, c_string_type=str
cimport cython
from libcpp.string cimport string
b_asdf = b'asdf'
u_asdf = u'asdf'
s_asdf = 'asdf'
s_s = 's'
def test_conversion(py_obj):
"""
>>> test_conversion(b_asdf) == s_asdf or test_conversion(b_asdf)
True
>>> test_conversion(u_asdf) == s_asdf or test_conversion(u_asdf)
True
>>> test_conversion(123) # doctest: +ELLIPSIS
Traceback (most recent call last):
TypeError: expected ..., int found
"""
cdef string s = py_obj
assert <size_t>len(py_obj) == s.length(), '%d != %d' % (len(py_obj), s.length())
return s
def test_empty(py_obj):
"""
>>> test_empty('')
True
>>> test_empty('abc')
False
>>> test_empty(u_asdf[:0])
True
>>> test_empty(u_asdf)
False
"""
cdef string a = py_obj
return a.empty()
def test_push_back(a):
"""
>>> test_push_back(b_asdf) == s_asdf + s_s
True
>>> test_push_back(u_asdf) == s_asdf + s_s
True
"""
cdef string s = a
s.push_back(<char>ord('s'))
return s
def test_clear(a):
"""
>>> test_clear(u_asdf) == s_s[:0]
True
>>> test_clear(b_asdf) == s_s[:0]
True
"""
cdef string s = a
s.clear()
return s
def test_assign(char *a):
"""
>>> test_assign(b_asdf) == 'ggg'
True
"""
cdef string s = string(a)
s.assign(<char *>"ggg")
return s.c_str()
def test_bytes_cast(a):
"""
>>> b = test_bytes_cast(b'abc')
>>> isinstance(b, bytes)
True
>>> print(b.decode('ascii'))
abc
>>> b = test_bytes_cast(b'abc\\xe4\\xfc')
>>> isinstance(b, bytes)
True
>>> len(b)
5
>>> print(b[:3].decode('ascii'))
abc
>>> print(ord(b[3:4]))
228
>>> print(ord(b[4:5]))
252
"""
cdef string s = a
assert s.length() == <size_t>len(a), "%d != %d" % (s.length(), len(a))
return <bytes>s
def test_bytearray_cast(a):
"""
>>> b = test_bytearray_cast(b'abc')
>>> isinstance(b, bytearray)
True
>>> print(b.decode('ascii'))
abc
>>> b = test_bytearray_cast(b'abc\\xe4\\xfc')
>>> isinstance(b, bytearray)
True
>>> len(b)
5
>>> print(b[:3].decode('ascii'))
abc
>>> print(ord(b[3:4]))
228
>>> print(ord(b[4:5]))
252
"""
cdef string s = a
assert s.length() == <size_t>len(a), "%d != %d" % (s.length(), len(a))
return <bytearray>s
def test_unicode_cast(a):
"""
>>> u = test_unicode_cast(b'abc')
>>> type(u) is type(u_asdf) or type(u)
True
>>> print(u)
abc
"""
cdef string s = a
assert s.length() == <size_t>len(a), "%d != %d" % (s.length(), len(a))
return <unicode>s
def test_str_cast(a):
"""
>>> s = test_str_cast(b'abc')
>>> type(s) is type(s_asdf) or type(s)
True
>>> print(s)
abc
"""
cdef string s = a
assert s.length() == <size_t>len(a), "%d != %d" % (s.length(), len(a))
return <str>s
|
