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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
import unittest
from test.support import import_helper
# Skip this test if the _testcapi module isn't available.
import_helper.import_module('_testcapi')
from _testcapi import (_test_structmembersType_OldAPI,
_test_structmembersType_NewAPI,
CHAR_MAX, CHAR_MIN, UCHAR_MAX,
SHRT_MAX, SHRT_MIN, USHRT_MAX,
INT_MAX, INT_MIN, UINT_MAX,
LONG_MAX, LONG_MIN, ULONG_MAX,
LLONG_MAX, LLONG_MIN, ULLONG_MAX,
PY_SSIZE_T_MAX, PY_SSIZE_T_MIN,
)
class Index:
def __init__(self, value):
self.value = value
def __index__(self):
return self.value
# There are two classes: one using <structmember.h> and another using
# `Py_`-prefixed API. They should behave the same in Python
def _make_test_object(cls):
return cls(False, # T_BOOL
1, # T_BYTE
2, # T_UBYTE
3, # T_SHORT
4, # T_USHORT
5, # T_INT
6, # T_UINT
7, # T_LONG
8, # T_ULONG
23, # T_PYSSIZET
9.99999,# T_FLOAT
10.1010101010, # T_DOUBLE
"hi", # T_STRING_INPLACE
12, # T_LONGLONG
13, # T_ULONGLONG
b"c", # T_CHAR
)
class ReadWriteTests:
def setUp(self):
self.ts = _make_test_object(self.cls)
def _test_write(self, name, value, expected=None):
if expected is None:
expected = value
ts = self.ts
setattr(ts, name, value)
self.assertEqual(getattr(ts, name), expected)
def _test_warn(self, name, value, expected=None):
ts = self.ts
self.assertWarns(RuntimeWarning, setattr, ts, name, value)
if expected is not None:
self.assertEqual(getattr(ts, name), expected)
def _test_overflow(self, name, value):
ts = self.ts
self.assertRaises(OverflowError, setattr, ts, name, value)
def _test_int_range(self, name, minval, maxval, *, hardlimit=None,
indexlimit=None):
if hardlimit is None:
hardlimit = (minval, maxval)
ts = self.ts
self._test_write(name, minval)
self._test_write(name, maxval)
hardminval, hardmaxval = hardlimit
self._test_overflow(name, hardminval-1)
self._test_overflow(name, hardmaxval+1)
self._test_overflow(name, 2**1000)
self._test_overflow(name, -2**1000)
if hardminval < minval:
self._test_warn(name, hardminval)
self._test_warn(name, minval-1, maxval)
if maxval < hardmaxval:
self._test_warn(name, maxval+1, minval)
self._test_warn(name, hardmaxval)
if indexlimit is False:
self.assertRaises(TypeError, setattr, ts, name, Index(minval))
self.assertRaises(TypeError, setattr, ts, name, Index(maxval))
else:
self._test_write(name, Index(minval), minval)
self._test_write(name, Index(maxval), maxval)
self._test_overflow(name, Index(hardminval-1))
self._test_overflow(name, Index(hardmaxval+1))
self._test_overflow(name, Index(2**1000))
self._test_overflow(name, Index(-2**1000))
if hardminval < minval:
self._test_warn(name, Index(hardminval))
self._test_warn(name, Index(minval-1), maxval)
if maxval < hardmaxval:
self._test_warn(name, Index(maxval+1), minval)
self._test_warn(name, Index(hardmaxval))
def test_bool(self):
ts = self.ts
ts.T_BOOL = True
self.assertIs(ts.T_BOOL, True)
ts.T_BOOL = False
self.assertIs(ts.T_BOOL, False)
self.assertRaises(TypeError, setattr, ts, 'T_BOOL', 1)
self.assertRaises(TypeError, setattr, ts, 'T_BOOL', 0)
self.assertRaises(TypeError, setattr, ts, 'T_BOOL', None)
def test_byte(self):
self._test_int_range('T_BYTE', CHAR_MIN, CHAR_MAX,
hardlimit=(LONG_MIN, LONG_MAX))
self._test_int_range('T_UBYTE', 0, UCHAR_MAX,
hardlimit=(LONG_MIN, LONG_MAX))
def test_short(self):
self._test_int_range('T_SHORT', SHRT_MIN, SHRT_MAX,
hardlimit=(LONG_MIN, LONG_MAX))
self._test_int_range('T_USHORT', 0, USHRT_MAX,
hardlimit=(LONG_MIN, LONG_MAX))
def test_int(self):
self._test_int_range('T_INT', INT_MIN, INT_MAX,
hardlimit=(LONG_MIN, LONG_MAX))
self._test_int_range('T_UINT', 0, UINT_MAX,
hardlimit=(LONG_MIN, ULONG_MAX))
def test_long(self):
self._test_int_range('T_LONG', LONG_MIN, LONG_MAX)
self._test_int_range('T_ULONG', 0, ULONG_MAX,
hardlimit=(LONG_MIN, ULONG_MAX))
def test_py_ssize_t(self):
self._test_int_range('T_PYSSIZET', PY_SSIZE_T_MIN, PY_SSIZE_T_MAX, indexlimit=False)
def test_longlong(self):
self._test_int_range('T_LONGLONG', LLONG_MIN, LLONG_MAX)
self._test_int_range('T_ULONGLONG', 0, ULLONG_MAX,
hardlimit=(LONG_MIN, ULLONG_MAX))
def test_bad_assignments(self):
ts = self.ts
integer_attributes = [
'T_BOOL',
'T_BYTE', 'T_UBYTE',
'T_SHORT', 'T_USHORT',
'T_INT', 'T_UINT',
'T_LONG', 'T_ULONG',
'T_LONGLONG', 'T_ULONGLONG',
'T_PYSSIZET'
]
# issue8014: this produced 'bad argument to internal function'
# internal error
for nonint in None, 3.2j, "full of eels", {}, []:
for attr in integer_attributes:
self.assertRaises(TypeError, setattr, ts, attr, nonint)
def test_inplace_string(self):
ts = self.ts
self.assertEqual(ts.T_STRING_INPLACE, "hi")
self.assertRaises(TypeError, setattr, ts, "T_STRING_INPLACE", "s")
self.assertRaises(TypeError, delattr, ts, "T_STRING_INPLACE")
def test_char(self):
ts = self.ts
self.assertEqual(ts.T_CHAR, "c")
ts.T_CHAR = "z"
self.assertEqual(ts.T_CHAR, "z")
self.assertRaises(TypeError, setattr, ts, "T_CHAR", "")
self.assertRaises(TypeError, setattr, ts, "T_CHAR", b"a")
self.assertRaises(TypeError, setattr, ts, "T_CHAR", bytearray(b"b"))
self.assertRaises(TypeError, delattr, ts, "T_STRING_INPLACE")
class ReadWriteTests_OldAPI(ReadWriteTests, unittest.TestCase):
cls = _test_structmembersType_OldAPI
class ReadWriteTests_NewAPI(ReadWriteTests, unittest.TestCase):
cls = _test_structmembersType_NewAPI
if __name__ == "__main__":
unittest.main()
|
