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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]
def test_extend(self, space, api):
w_l = space.newlist([space.wrap(3), space.wrap(2), space.wrap(1)])
w_expected = space.newlist([space.wrap(3), space.wrap(2), space.wrap(1),
space.wrap(3), space.wrap(2), space.wrap(1),])
w_result = api._PyList_Extend(w_l, w_l)
assert space.eq_w(w_l, w_expected)
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_spec(self):
module = self.import_extension("foo", [
("setslice_slot", "METH_VARARGS",
"""
PyObject *l = PyTuple_GetItem(args, 0);
PyObject *seq = PyTuple_GetItem(args, 1);
PyMappingMethods* mp = Py_TYPE(l)->tp_as_mapping;
if (mp && mp->mp_ass_subscript) {
if (seq == Py_None) seq = NULL;
PyObject *py_slice, *py_start, *py_stop;
py_start = PyLong_FromSsize_t(1);
py_stop = PyLong_FromSsize_t(4);
py_slice = PySlice_New(py_start, py_stop, Py_None);
int result = mp->mp_ass_subscript(l, py_slice, seq);
Py_DECREF(py_start);
Py_DECREF(py_stop);
Py_DECREF(py_slice);
if (result < 0)
return NULL;
}
else {
PyErr_Format(PyExc_TypeError,
"slice assignment not supported");
return NULL;
}
Py_RETURN_NONE;
"""),
("get_sublist", "METH_NOARGS",
"""
PyType_Slot slots[] = {
{0, 0},
};
PyType_Spec sublist_spec = {
"sublist",
0, 0,
Py_TPFLAGS_DEFAULT,
slots,
};
PyObject *t1 = PyTuple_Pack(1, (PyObject *)(&PyList_Type));
PyObject *ret = PyType_FromSpecWithBases(&sublist_spec, t1);
Py_DECREF(t1);
return ret;
""")])
sublist = module.get_sublist()
l = sublist(range(6))
module.setslice_slot(l, ['a'])
assert l == [0, 'a', 4, 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
|
