gh-94808: add tests covering `PySequence_{Set,Del}Slice` (GH-99123)

(cherry picked from commit c5c40773cbadc8c35212877ea315a375f3bfaa4b)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>

1 files changed, 33 insertions, 0 deletions

diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index 3ec91bf..1291eff 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -5382,6 +5382,37 @@ mapping_has_key(PyObject* self, PyObject *args)
     return PyLong_FromLong(PyMapping_HasKey(context, key));
 }
 
+static PyObject *
+sequence_set_slice(PyObject* self, PyObject *args)
+{
+    PyObject *sequence, *obj;
+    Py_ssize_t i1, i2;
+    if (!PyArg_ParseTuple(args, "OnnO", &sequence, &i1, &i2, &obj)) {
+        return NULL;
+    }
+
+    int res = PySequence_SetSlice(sequence, i1, i2, obj);
+    if (res == -1) {
+        return NULL;
+    }
+    Py_RETURN_NONE;
+}
+
+static PyObject *
+sequence_del_slice(PyObject* self, PyObject *args)
+{
+    PyObject *sequence;
+    Py_ssize_t i1, i2;
+    if (!PyArg_ParseTuple(args, "Onn", &sequence, &i1, &i2)) {
+        return NULL;
+    }
+
+    int res = PySequence_DelSlice(sequence, i1, i2);
+    if (res == -1) {
+        return NULL;
+    }
+    Py_RETURN_NONE;
+}
 
 static PyObject *
 test_pythread_tss_key_state(PyObject *self, PyObject *args)
@@ -6424,6 +6455,8 @@ static PyMethodDef TestMethods[] = {
     {"get_mapping_items", get_mapping_items, METH_O},
     {"test_mapping_has_key_string", test_mapping_has_key_string, METH_NOARGS},
     {"mapping_has_key", mapping_has_key, METH_VARARGS},
+    {"sequence_set_slice", sequence_set_slice, METH_VARARGS},
+    {"sequence_del_slice", sequence_del_slice, METH_VARARGS},
     {"test_pythread_tss_key_state", test_pythread_tss_key_state, METH_VARARGS},
     {"hamt", new_hamt, METH_NOARGS},
     {"bad_get", _PyCFunction_CAST(bad_get), METH_FASTCALL},