Issue #19433: test_capi: add tests on the size of some C types
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index 34b95c0..7e27ec4 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -65,6 +65,45 @@
}
static PyObject*
+test_sizeof_c_types(PyObject *self)
+{
+#define CHECK_SIZEOF(EXPECTED, TYPE) \
+ if (EXPECTED != sizeof(TYPE)) { \
+ PyErr_Format(TestError, \
+ "sizeof(%s) = %u instead of %u", \
+ #TYPE, sizeof(TYPE), EXPECTED); \
+ return (PyObject*)NULL; \
+ }
+
+ /* integer types */
+ CHECK_SIZEOF(1, Py_UCS1);
+ CHECK_SIZEOF(2, Py_UCS2);
+ CHECK_SIZEOF(4, Py_UCS4);
+#ifdef HAVE_INT32_T
+ CHECK_SIZEOF(4, PY_INT32_T);
+#endif
+#ifdef HAVE_UINT32_T
+ CHECK_SIZEOF(4, PY_UINT32_T);
+#endif
+#ifdef HAVE_INT64_T
+ CHECK_SIZEOF(8, PY_INT64_T);
+#endif
+#ifdef HAVE_UINT64_T
+ CHECK_SIZEOF(8, PY_UINT64_T);
+#endif
+
+ /* pointer/size types */
+ CHECK_SIZEOF(sizeof(void *), size_t);
+ CHECK_SIZEOF(sizeof(void *), Py_ssize_t);
+
+ Py_INCREF(Py_None);
+ return Py_None;
+
+#undef CHECK_SIZEOF
+}
+
+
+static PyObject*
test_list_api(PyObject *self)
{
PyObject* list;
@@ -2783,6 +2822,7 @@
{"raise_exception", raise_exception, METH_VARARGS},
{"raise_memoryerror", (PyCFunction)raise_memoryerror, METH_NOARGS},
{"test_config", (PyCFunction)test_config, METH_NOARGS},
+ {"test_sizeof_c_types", (PyCFunction)test_sizeof_c_types, METH_NOARGS},
{"test_datetime_capi", test_datetime_capi, METH_NOARGS},
{"test_list_api", (PyCFunction)test_list_api, METH_NOARGS},
{"test_dict_iteration", (PyCFunction)test_dict_iteration,METH_NOARGS},