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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
|
# side-effect: FORMAT_LONGDOUBLE must be built before the first test
from pypy.module._cffi_backend import misc
from pypy.module._cffi_backend.ctypeobj import W_CType
class AppTest_fast_path_from_list(object):
spaceconfig = dict(usemodules=('_cffi_backend',))
def setup_method(self, meth):
def forbidden(*args):
assert False, 'The slow path is forbidden'
self._original = W_CType.pack_list_of_items.im_func
W_CType.pack_list_of_items = forbidden
def teardown_method(self, meth):
W_CType.pack_list_of_items = self._original
def test_fast_init_from_list(self):
import _cffi_backend
LONG = _cffi_backend.new_primitive_type('long')
P_LONG = _cffi_backend.new_pointer_type(LONG)
LONG_ARRAY = _cffi_backend.new_array_type(P_LONG, None)
buf = _cffi_backend.newp(LONG_ARRAY, [1, 2, 3])
assert buf[0] == 1
assert buf[1] == 2
assert buf[2] == 3
def test_fast_init_from_list_float(self):
import _cffi_backend
DOUBLE = _cffi_backend.new_primitive_type('double')
P_DOUBLE = _cffi_backend.new_pointer_type(DOUBLE)
DOUBLE_ARRAY = _cffi_backend.new_array_type(P_DOUBLE, None)
buf = _cffi_backend.newp(DOUBLE_ARRAY, [1.1, 2.2, 3.3])
assert buf[0] == 1.1
assert buf[1] == 2.2
assert buf[2] == 3.3
def test_fast_init_short_from_list(self):
import _cffi_backend
SHORT = _cffi_backend.new_primitive_type('short')
P_SHORT = _cffi_backend.new_pointer_type(SHORT)
SHORT_ARRAY = _cffi_backend.new_array_type(P_SHORT, None)
buf = _cffi_backend.newp(SHORT_ARRAY, [1, -2, 3])
assert buf[0] == 1
assert buf[1] == -2
assert buf[2] == 3
raises(OverflowError, _cffi_backend.newp, SHORT_ARRAY, [40000])
raises(OverflowError, _cffi_backend.newp, SHORT_ARRAY, [-40000])
def test_fast_init_longlong_from_list(self):
import _cffi_backend
import sys
large_int = 2 ** (50 if sys.maxsize > 2**31 - 1 else 30)
LONGLONG = _cffi_backend.new_primitive_type('long long')
P_LONGLONG = _cffi_backend.new_pointer_type(LONGLONG)
LONGLONG_ARRAY = _cffi_backend.new_array_type(P_LONGLONG, None)
buf = _cffi_backend.newp(LONGLONG_ARRAY, [1, -2, 3, large_int])
assert buf[0] == 1
assert buf[1] == -2
assert buf[2] == 3
assert buf[3] == large_int
def test_fast_init_ushort_from_list(self):
import _cffi_backend
USHORT = _cffi_backend.new_primitive_type('unsigned short')
P_USHORT = _cffi_backend.new_pointer_type(USHORT)
USHORT_ARRAY = _cffi_backend.new_array_type(P_USHORT, None)
buf = _cffi_backend.newp(USHORT_ARRAY, [1, 2, 40000])
assert buf[0] == 1
assert buf[1] == 2
assert buf[2] == 40000
raises(OverflowError, _cffi_backend.newp, USHORT_ARRAY, [70000])
raises(OverflowError, _cffi_backend.newp, USHORT_ARRAY, [-1])
def test_fast_init_ulong_from_list(self):
import sys
import _cffi_backend
maxlong = sys.maxsize
if sys.platform == 'win32':
# maxlong == 2**31-1 < sys.maxsize == 2**63-1 on win64!
maxlong = int(2**31-1)
ULONG = _cffi_backend.new_primitive_type('unsigned long')
P_ULONG = _cffi_backend.new_pointer_type(ULONG)
ULONG_ARRAY = _cffi_backend.new_array_type(P_ULONG, None)
buf = _cffi_backend.newp(ULONG_ARRAY, [1, 2, maxlong])
assert buf[0] == 1
assert buf[1] == 2
assert buf[2] == maxlong
raises(OverflowError, _cffi_backend.newp, ULONG_ARRAY, [-1])
raises(OverflowError, _cffi_backend.newp, ULONG_ARRAY, [-maxlong])
def test_fast_init_cfloat_from_list(self):
import _cffi_backend
FLOAT = _cffi_backend.new_primitive_type('float')
P_FLOAT = _cffi_backend.new_pointer_type(FLOAT)
FLOAT_ARRAY = _cffi_backend.new_array_type(P_FLOAT, None)
buf = _cffi_backend.newp(FLOAT_ARRAY, [1.25, -3.5])
assert buf[0] == 1.25
assert buf[1] == -3.5
def test_fast_init_clongdouble_from_list(self):
import _cffi_backend
LONGDOUBLE = _cffi_backend.new_primitive_type('long double')
P_LONGDOUBLE = _cffi_backend.new_pointer_type(LONGDOUBLE)
LONGDOUBLE_ARRAY = _cffi_backend.new_array_type(P_LONGDOUBLE, None)
buf = _cffi_backend.newp(LONGDOUBLE_ARRAY, [1.25, -3.5])
assert float(buf[0]) == 1.25
assert float(buf[1]) == -3.5
def test_fast_init_bool_from_list(self):
import _cffi_backend
BOOL = _cffi_backend.new_primitive_type('_Bool')
P_BOOL = _cffi_backend.new_pointer_type(BOOL)
BOOL_ARRAY = _cffi_backend.new_array_type(P_BOOL, None)
buf = _cffi_backend.newp(BOOL_ARRAY, [1, 0])
assert buf[0] is True
assert buf[1] is False
raises(OverflowError, _cffi_backend.newp, BOOL_ARRAY, [2])
raises(OverflowError, _cffi_backend.newp, BOOL_ARRAY, [-1])
class AppTest_fast_path_bug(object):
spaceconfig = dict(usemodules=('_cffi_backend',))
def test_bug_not_list_or_tuple(self):
import _cffi_backend
LONG = _cffi_backend.new_primitive_type('long')
P_LONG = _cffi_backend.new_pointer_type(LONG)
LONG_ARRAY_2 = _cffi_backend.new_array_type(P_LONG, 2)
P_LONG_ARRAY_2 = _cffi_backend.new_pointer_type(LONG_ARRAY_2)
LONG_ARRAY_ARRAY = _cffi_backend.new_array_type(P_LONG_ARRAY_2, None)
raises(TypeError, _cffi_backend.newp, LONG_ARRAY_ARRAY, [set([4, 5])])
class AppTest_fast_path_to_list(object):
spaceconfig = dict(usemodules=('_cffi_backend',))
def setup_method(self, meth):
from pypy.interpreter import gateway
from rpython.rlib import rrawarray
#
self.count = 0
def get_count(*args):
return self.space.wrap(self.count)
self.w_get_count = self.space.wrap(gateway.interp2app(get_count))
#
original = rrawarray.populate_list_from_raw_array
def populate_list_from_raw_array(*args):
self.count += 1
return original(*args)
self._original = original
rrawarray.populate_list_from_raw_array = populate_list_from_raw_array
#
original2 = misc.unpack_list_from_raw_array
def unpack_list_from_raw_array(*args):
self.count += 1
return original2(*args)
self._original2 = original2
misc.unpack_list_from_raw_array = unpack_list_from_raw_array
#
original3 = misc.unpack_cfloat_list_from_raw_array
def unpack_cfloat_list_from_raw_array(*args):
self.count += 1
return original3(*args)
self._original3 = original3
misc.unpack_cfloat_list_from_raw_array = (
unpack_cfloat_list_from_raw_array)
#
original4 = misc.unpack_unsigned_list_from_raw_array
def unpack_unsigned_list_from_raw_array(*args):
self.count += 1
return original4(*args)
self._original4 = original4
misc.unpack_unsigned_list_from_raw_array = (
unpack_unsigned_list_from_raw_array)
#
self.w_runappdirect = self.space.wrap(self.runappdirect)
def teardown_method(self, meth):
from rpython.rlib import rrawarray
rrawarray.populate_list_from_raw_array = self._original
misc.unpack_list_from_raw_array = self._original2
misc.unpack_cfloat_list_from_raw_array = self._original3
misc.unpack_unsigned_list_from_raw_array = self._original4
def test_list_int(self):
import _cffi_backend
LONG = _cffi_backend.new_primitive_type('long')
P_LONG = _cffi_backend.new_pointer_type(LONG)
LONG_ARRAY = _cffi_backend.new_array_type(P_LONG, 3)
buf = _cffi_backend.newp(LONG_ARRAY)
buf[0] = 1
buf[1] = 2
buf[2] = 3
lst = list(buf)
assert lst == [1, 2, 3]
if not self.runappdirect:
assert self.get_count() == 1
def test_TypeError_if_no_length(self):
import _cffi_backend
LONG = _cffi_backend.new_primitive_type('long')
P_LONG = _cffi_backend.new_pointer_type(LONG)
LONG_ARRAY = _cffi_backend.new_array_type(P_LONG, 3)
buf = _cffi_backend.newp(LONG_ARRAY)
pbuf = _cffi_backend.cast(P_LONG, buf)
raises(TypeError, "list(pbuf)")
def test_bug(self):
import _cffi_backend
LONG = _cffi_backend.new_primitive_type('long')
five = _cffi_backend.cast(LONG, 5)
raises(TypeError, list, five)
DOUBLE = _cffi_backend.new_primitive_type('double')
five_and_a_half = _cffi_backend.cast(DOUBLE, 5.5)
raises(TypeError, list, five_and_a_half)
def test_list_float(self):
import _cffi_backend
DOUBLE = _cffi_backend.new_primitive_type('double')
P_DOUBLE = _cffi_backend.new_pointer_type(DOUBLE)
DOUBLE_ARRAY = _cffi_backend.new_array_type(P_DOUBLE, 3)
buf = _cffi_backend.newp(DOUBLE_ARRAY)
buf[0] = 1.1
buf[1] = 2.2
buf[2] = 3.3
lst = list(buf)
assert lst == [1.1, 2.2, 3.3]
if not self.runappdirect:
assert self.get_count() == 1
def test_list_short(self):
import _cffi_backend
SHORT = _cffi_backend.new_primitive_type('short')
P_SHORT = _cffi_backend.new_pointer_type(SHORT)
SHORT_ARRAY = _cffi_backend.new_array_type(P_SHORT, 3)
buf = _cffi_backend.newp(SHORT_ARRAY)
buf[0] = 1
buf[1] = 2
buf[2] = 3
lst = list(buf)
assert lst == [1, 2, 3]
if not self.runappdirect:
assert self.get_count() == 1
def test_list_ushort(self):
import _cffi_backend
USHORT = _cffi_backend.new_primitive_type('unsigned short')
P_USHORT = _cffi_backend.new_pointer_type(USHORT)
USHORT_ARRAY = _cffi_backend.new_array_type(P_USHORT, 3)
buf = _cffi_backend.newp(USHORT_ARRAY)
buf[0] = 1
buf[1] = 2
buf[2] = 50505
lst = list(buf)
assert lst == [1, 2, 50505]
if not self.runappdirect:
assert self.get_count() == 1
def test_list_cfloat(self):
import _cffi_backend
FLOAT = _cffi_backend.new_primitive_type('float')
P_FLOAT = _cffi_backend.new_pointer_type(FLOAT)
FLOAT_ARRAY = _cffi_backend.new_array_type(P_FLOAT, 3)
buf = _cffi_backend.newp(FLOAT_ARRAY)
buf[0] = 1.25
buf[1] = -2.5
buf[2] = 3.75
lst = list(buf)
assert lst == [1.25, -2.5, 3.75]
if not self.runappdirect:
assert self.get_count() == 1
def test_too_many_initializers(self):
import _cffi_backend
ffi = _cffi_backend.FFI()
raises(IndexError, ffi.new, "int[4]", [10, 20, 30, 40, 50])
raises(IndexError, ffi.new, "int[4]", tuple(range(999)))
raises(IndexError, ffi.new, "unsigned int[4]", [10, 20, 30, 40, 50])
raises(IndexError, ffi.new, "float[4]", [10, 20, 30, 40, 50])
raises(IndexError, ffi.new, "long double[4]", [10, 20, 30, 40, 50])
raises(IndexError, ffi.new, "char[4]", [10, 20, 30, 40, 50])
raises(IndexError, ffi.new, "wchar_t[4]", [10, 20, 30, 40, 50])
raises(IndexError, ffi.new, "_Bool[4]", [10, 20, 30, 40, 50])
raises(IndexError, ffi.new, "int[4][4]", [[3,4,5,6]] * 5)
raises(IndexError, ffi.new, "int[4][4]", [[3,4,5,6,7]] * 4)
|
