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
288
289
290
291
292
293
|
from pypy.module.cpyext.test.test_api import BaseApiTest, raises_w
from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
from pypy.module.cpyext.pyobject import from_ref
from pypy.module.cpyext.listobject import (
PyList_Check, PyList_CheckExact, PyList_Size)
class TestListObject(BaseApiTest):
def test_list(self, space, api):
L = space.appexec([], """():
class L(list):
pass
return L
""")
l = api.PyList_New(0)
assert PyList_Check(space, l)
assert PyList_CheckExact(space, l)
l = space.call_function(L)
assert PyList_Check(space, l)
assert not PyList_CheckExact(space, l)
assert not PyList_Check(space, space.newtuple([]))
assert not PyList_CheckExact(space, space.newtuple([]))
def test_get_size(self, space, api):
l = api.PyList_New(0)
assert api.PyList_GET_SIZE(l) == 0
api.PyList_Append(l, space.wrap(3))
assert api.PyList_GET_SIZE(l) == 1
def test_size(self, space):
l = space.newlist([space.w_None, space.w_None])
assert PyList_Size(space, l) == 2
with raises_w(space, TypeError):
PyList_Size(space, space.w_None)
def test_insert(self, space, api):
w_l = space.newlist([space.w_None, space.w_None])
assert api.PyList_Insert(w_l, 0, space.wrap(1)) == 0
assert api.PyList_Size(w_l) == 3
assert api.PyList_Insert(w_l, 99, space.wrap(2)) == 0
assert space.unwrap(from_ref(space, api.PyList_GetItem(w_l, 3))) == 2
# insert at index -1: next-to-last
assert api.PyList_Insert(w_l, -1, space.wrap(3)) == 0
assert space.unwrap(from_ref(space, api.PyList_GET_ITEM(w_l, 3))) == 3
def test_sort(self, space, api):
l = space.newlist([space.wrap(1), space.wrap(0), space.wrap(7000)])
assert api.PyList_Sort(l) == 0
assert space.eq_w(l, space.newlist([space.wrap(0), space.wrap(1), space.wrap(7000)]))
def test_reverse(self, space, api):
l = space.newlist([space.wrap(3), space.wrap(2), space.wrap(1)])
assert api.PyList_Reverse(l) == 0
assert space.eq_w(l, space.newlist([space.wrap(1), space.wrap(2), space.wrap(3)]))
def test_list_tuple(self, space, api):
w_l = space.newlist([space.wrap(3), space.wrap(2), space.wrap(1)])
w_t = api.PyList_AsTuple(w_l)
assert space.unwrap(w_t) == (3, 2, 1)
def test_list_getslice(self, space, api):
w_l = space.newlist([space.wrap(3), space.wrap(2), space.wrap(1)])
w_s = api.PyList_GetSlice(w_l, 1, 5)
assert space.unwrap(w_s) == [2, 1]
class AppTestListObject(AppTestCpythonExtensionBase):
def test_basic_listobject(self):
import sys
module = self.import_extension('foo', [
("newlist", "METH_NOARGS",
"""
PyObject *lst = PyList_New(3);
PyList_SetItem(lst, 0, PyLong_FromLong(3));
PyList_SetItem(lst, 2, PyLong_FromLong(1000));
PyList_SetItem(lst, 1, PyLong_FromLong(-5));
return lst;
"""
),
("setlistitem", "METH_VARARGS",
"""
PyObject *l = PyTuple_GetItem(args, 0);
int index = PyLong_AsLong(PyTuple_GetItem(args, 1));
Py_INCREF(Py_None);
if (PyList_SetItem(l, index, Py_None) < 0)
return NULL;
Py_INCREF(Py_None);
return Py_None;
"""
),
("appendlist", "METH_VARARGS",
"""
PyObject *l = PyTuple_GetItem(args, 0);
PyList_Append(l, PyTuple_GetItem(args, 1));
Py_RETURN_NONE;
"""
),
("setslice", "METH_VARARGS",
"""
PyObject *l = PyTuple_GetItem(args, 0);
PyObject *seq = PyTuple_GetItem(args, 1);
if (seq == Py_None) seq = NULL;
if (PyList_SetSlice(l, 1, 4, seq) < 0)
return NULL;
Py_RETURN_NONE;
"""
),
('test_tp_as_', "METH_NOARGS",
'''
PyObject *l = PyList_New(3);
int ok = l->ob_type->tp_as_sequence != NULL; /* 1 */
ok += 2 * (l->ob_type->tp_as_number == NULL); /* 2 */
Py_DECREF(l);
return PyLong_FromLong(ok); /* should be 3 */
'''
),
])
l = module.newlist()
assert l == [3, -5, 1000]
module.setlistitem(l, 0)
assert l[0] is None
class L(list):
def __setitem__(self):
self.append("XYZ")
l = L([1])
module.setlistitem(l, 0)
assert len(l) == 1
raises(SystemError, module.setlistitem, (1, 2, 3), 0)
l = []
module.appendlist(l, 14)
assert len(l) == 1
assert l[0] == 14
l = list(range(6))
module.setslice(l, ['a'])
assert l == [0, 'a', 4, 5]
l = list(range(6))
module.setslice(l, None)
assert l == [0, 4, 5]
l = [1, 2, 3]
module.setlistitem(l,0)
assert l == [None, 2, 3]
# tp_as_sequence should be filled, but tp_as_number should be NULL
assert module.test_tp_as_() == 3
l = module.newlist()
p = l.pop()
assert p == 1000
p = l.pop(0)
assert p == 3
assert l == [-5]
def test_list_macros(self):
"""The PyList_* macros cast, and calls expecting that build."""
module = self.import_extension('foo', [
("test_macro_invocations", "METH_O",
"""
PyObject* o = PyList_New(2);
PyListObject* l = (PyListObject*)o;
Py_INCREF(args);
Py_INCREF(args);
PyList_SET_ITEM(o, 0, args);
PyList_SET_ITEM(l, 1, args);
if(PyList_GET_ITEM(o, 0) != PyList_GET_ITEM(l, 1))
{
PyErr_SetString(PyExc_AssertionError, "PyList_GET_ITEM error");
return NULL;
}
if(PyList_GET_SIZE(o) != PyList_GET_SIZE(l))
{
PyErr_SetString(PyExc_AssertionError, "PyList_GET_SIZE error");
return NULL;
}
return o;
"""
)
])
s = 'abcdef'
x = module.test_macro_invocations(s)
assert x[0] is x[1] is s
def test_get_item_macro(self):
module = self.import_extension('foo', [
("test_get_item", "METH_NOARGS",
"""
PyObject* o, *o2, *o3;
o = PyList_New(1);
o2 = PyBytes_FromString("test_get_item0");
Py_INCREF(o2);
PyList_SET_ITEM(o, 0, o2);
o3 = PyList_GET_ITEM(o, 0);
Py_INCREF(o3);
Py_DECREF(o);
Py_DECREF(o2);
return o3;
""")])
assert module.test_get_item() == b'test_get_item0'
def test_item_refcounts(self):
"""PyList_SET_ITEM leaks a reference to the target."""
module = self.import_extension('foo', [
("test_refcount_diff", "METH_VARARGS",
"""
/* test that the refcount differences for functions
* are correct. diff1 - expected refcount diff for i1,
* diff2 - expected refcount diff for i2
*/
#define CHECKCOUNT(diff1, diff2, action) \
new_count1 = Py_REFCNT(i1); \
new_count2 = Py_REFCNT(i2); \
diff = new_count1 - old_count1; \
if (diff != diff1) {\
sprintf(errbuffer, action \
" i1 expected diff of %ld got %ld", (long)diff1, (long)diff); \
PyErr_SetString(PyExc_AssertionError, errbuffer); \
return NULL; } \
diff = new_count2 - old_count2; \
if (diff != diff2) {\
sprintf(errbuffer, action \
" i2 expected diff of %ld got %ld", (long)diff2, (long)diff); \
PyErr_SetString(PyExc_AssertionError, errbuffer); \
return NULL; } \
old_count1 = new_count1; \
old_count2 = new_count2;
PyObject* tmp, *o = PyList_New(0);
char errbuffer[1024];
PyObject* i1 = PyTuple_GetItem(args, 0);
PyObject* i2 = PyTuple_GetItem(args, 1);
Py_ssize_t old_count1, new_count1;
Py_ssize_t old_count2, new_count2;
Py_ssize_t diff;
int ret;
old_count1 = Py_REFCNT(i1);
old_count2 = Py_REFCNT(i2);
ret = PyList_Append(o, i1);
if (ret != 0)
return NULL;
/* check the result of Append(), and also force the list
to use the CPyListStrategy now */
if (PyList_GET_ITEM(o, 0) != i1)
{
PyErr_SetString(PyExc_AssertionError, "Append() error?");
return NULL;
}
CHECKCOUNT(1, 0, "PyList_Append");
Py_INCREF(i2); /* for PyList_SET_ITEM */
CHECKCOUNT(0, 1, "Py_INCREF");
PyList_SET_ITEM(o, 0, i2);
CHECKCOUNT(0, 0, "PyList_SET_ITEM");
tmp = PyList_GET_ITEM(o, 0);
if (tmp != i2)
{
PyErr_SetString(PyExc_AssertionError, "SetItem() error?");
return NULL;
}
CHECKCOUNT(0, 0, "PyList_GET_ITEM");
PyList_SetItem(o, 0, i1);
CHECKCOUNT(0, -1, "PyList_Set_Item");
PyList_GetItem(o, 0);
CHECKCOUNT(0, 0, "PyList_Get_Item");
Py_DECREF(o);
#ifndef PYPY_VERSION
{
// PyPy deletes only at teardown
CHECKCOUNT(-1, 0, "Py_DECREF(o)");
}
#endif
return PyLong_FromSsize_t(0);
""")])
assert module.test_refcount_diff(["first"], ["second"]) == 0
|
