forked from RustPython/RustPython
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtest_strings.py
More file actions
134 lines (98 loc) · 3.76 KB
/
Copy pathtest_strings.py
File metadata and controls
134 lines (98 loc) · 3.76 KB
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
import unittest
from ctypes import (create_string_buffer, create_unicode_buffer,
sizeof, byref, c_char, c_wchar)
class StringArrayTestCase(unittest.TestCase):
def test(self):
BUF = c_char * 4
buf = BUF(b"a", b"b", b"c")
self.assertEqual(buf.value, b"abc")
self.assertEqual(buf.raw, b"abc\000")
buf.value = b"ABCD"
self.assertEqual(buf.value, b"ABCD")
self.assertEqual(buf.raw, b"ABCD")
buf.value = b"x"
self.assertEqual(buf.value, b"x")
self.assertEqual(buf.raw, b"x\000CD")
buf[1] = b"Z"
self.assertEqual(buf.value, b"xZCD")
self.assertEqual(buf.raw, b"xZCD")
self.assertRaises(ValueError, setattr, buf, "value", b"aaaaaaaa")
self.assertRaises(TypeError, setattr, buf, "value", 42)
def test_create_string_buffer_value(self):
buf = create_string_buffer(32)
buf.value = b"Hello, World"
self.assertEqual(buf.value, b"Hello, World")
self.assertRaises(TypeError, setattr, buf, "value", memoryview(b"Hello, World"))
self.assertRaises(TypeError, setattr, buf, "value", memoryview(b"abc"))
self.assertRaises(ValueError, setattr, buf, "raw", memoryview(b"x" * 100))
def test_create_string_buffer_raw(self):
buf = create_string_buffer(32)
buf.raw = memoryview(b"Hello, World")
self.assertEqual(buf.value, b"Hello, World")
self.assertRaises(TypeError, setattr, buf, "value", memoryview(b"abc"))
self.assertRaises(ValueError, setattr, buf, "raw", memoryview(b"x" * 100))
def test_param_1(self):
BUF = c_char * 4
buf = BUF()
def test_param_2(self):
BUF = c_char * 4
buf = BUF()
def test_del_segfault(self):
BUF = c_char * 4
buf = BUF()
with self.assertRaises(AttributeError):
del buf.raw
class WStringArrayTestCase(unittest.TestCase):
def test(self):
BUF = c_wchar * 4
buf = BUF("a", "b", "c")
self.assertEqual(buf.value, "abc")
buf.value = "ABCD"
self.assertEqual(buf.value, "ABCD")
buf.value = "x"
self.assertEqual(buf.value, "x")
buf[1] = "Z"
self.assertEqual(buf.value, "xZCD")
@unittest.skipIf(sizeof(c_wchar) < 4,
"sizeof(wchar_t) is smaller than 4 bytes")
def test_nonbmp(self):
u = chr(0x10ffff)
w = c_wchar(u)
self.assertEqual(w.value, u)
class WStringTestCase(unittest.TestCase):
def test_wchar(self):
c_wchar("x")
repr(byref(c_wchar("x")))
c_wchar("x")
def test_basic_wstrings(self):
cs = create_unicode_buffer("abcdef")
self.assertEqual(cs.value, "abcdef")
# value can be changed
cs.value = "abc"
self.assertEqual(cs.value, "abc")
# string is truncated at NUL character
cs.value = "def\0z"
self.assertEqual(cs.value, "def")
self.assertEqual(create_unicode_buffer("abc\0def").value, "abc")
# created with an empty string
cs = create_unicode_buffer(3)
self.assertEqual(cs.value, "")
cs.value = "abc"
self.assertEqual(cs.value, "abc")
def test_toolong(self):
cs = create_unicode_buffer("abc")
with self.assertRaises(ValueError):
cs.value = "abcdef"
cs = create_unicode_buffer(4)
with self.assertRaises(ValueError):
cs.value = "abcdef"
def run_test(rep, msg, func, arg):
items = range(rep)
from time import perf_counter as clock
start = clock()
for i in items:
func(arg); func(arg); func(arg); func(arg); func(arg)
stop = clock()
print("%20s: %.2f us" % (msg, ((stop-start)*1e6/5/rep)))
if __name__ == '__main__':
unittest.main()