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from rpython.rtyper.lltypesystem import rffi, lltype
from pypy.module.cpyext.test.test_api import BaseApiTest
from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
from pypy.module.cpyext.api import Py_ssize_t, Py_ssize_tP
class TestSliceObject(BaseApiTest):
def test_GetIndicesEx(self, space, api):
w = space.wrap
def get_indices(w_start, w_stop, w_step, length):
w_slice = space.newslice(w_start, w_stop, w_step)
values = lltype.malloc(Py_ssize_tP.TO, 4, flavor='raw')
res = api.PySlice_GetIndicesEx(w_slice, 100, values,
rffi.ptradd(values, 1),
rffi.ptradd(values, 2),
rffi.ptradd(values, 3))
assert res == 0
rv = values[0], values[1], values[2], values[3]
lltype.free(values, flavor='raw')
return rv
assert get_indices(w(10), w(20), w(1), 200) == (10, 20, 1, 10)
def test_GetIndices(self, space, api):
w = space.wrap
def get_indices(w_start, w_stop, w_step, length):
w_slice = space.newslice(w_start, w_stop, w_step)
values = lltype.malloc(Py_ssize_tP.TO, 3, flavor='raw')
res = api.PySlice_GetIndices(w_slice, 100, values,
rffi.ptradd(values, 1),
rffi.ptradd(values, 2))
assert res == 0
rv = values[0], values[1], values[2]
lltype.free(values, flavor='raw')
return rv
assert get_indices(w(10), w(20), w(1), 200) == (10, 20, 1)
class AppTestSliceMembers(AppTestCpythonExtensionBase):
def test_members(self):
module = self.import_extension('foo', [
("clone", "METH_O",
"""
PySliceObject *slice = (PySliceObject *)args;
if (Py_TYPE(slice) != &PySlice_Type) {
PyErr_SetNone(PyExc_ValueError);
return NULL;
}
return PySlice_New(slice->start,
slice->stop,
slice->step);
"""),
])
s = slice(10, 20, 30)
assert module.clone(s) == s
def test_nulls(self):
module = self.import_extension('foo', [
("nullslice", "METH_NOARGS",
"""
return PySlice_New(NULL, NULL, NULL);
"""),
])
assert module.nullslice() == slice(None, None, None)
def test_ellipsis(self):
module = self.import_extension('foo', [
("get_ellipsis", "METH_NOARGS",
"""
PyObject *ret = Py_Ellipsis;
Py_INCREF(ret);
return ret;
"""),
])
assert module.get_ellipsis() is Ellipsis
def test_typecheck(self):
module = self.import_extension('foo', [
("check", "METH_O",
"""
PySliceObject *slice = (PySliceObject *)args;
return PyLong_FromLong(PySlice_Check(slice));
"""),
])
s = slice(10, 20, 30)
assert module.check(s)
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