gh-91324: List feature macros in the stable ABI manifest, improve tests (GH-32415)

2 files changed, 62 insertions, 0 deletions

diff --git a/Modules/_testcapi_feature_macros.inc b/Modules/_testcapi_feature_macros.inc
new file mode 100644
index 0000000..b1763b5
--- /dev/null
+++ b/Modules/_testcapi_feature_macros.inc
@@ -0,0 +1,49 @@
+// Generated by Tools/scripts/stable_abi.py
+
+// Add an entry in dict `result` for each Stable ABI feature macro.
+
+#ifdef HAVE_FORK
+    res = PyDict_SetItemString(result, "HAVE_FORK", Py_True);
+#else
+    res = PyDict_SetItemString(result, "HAVE_FORK", Py_False);
+#endif
+if (res) {
+    Py_DECREF(result); return NULL;
+}
+
+#ifdef MS_WINDOWS
+    res = PyDict_SetItemString(result, "MS_WINDOWS", Py_True);
+#else
+    res = PyDict_SetItemString(result, "MS_WINDOWS", Py_False);
+#endif
+if (res) {
+    Py_DECREF(result); return NULL;
+}
+
+#ifdef PY_HAVE_THREAD_NATIVE_ID
+    res = PyDict_SetItemString(result, "PY_HAVE_THREAD_NATIVE_ID", Py_True);
+#else
+    res = PyDict_SetItemString(result, "PY_HAVE_THREAD_NATIVE_ID", Py_False);
+#endif
+if (res) {
+    Py_DECREF(result); return NULL;
+}
+
+#ifdef Py_REF_DEBUG
+    res = PyDict_SetItemString(result, "Py_REF_DEBUG", Py_True);
+#else
+    res = PyDict_SetItemString(result, "Py_REF_DEBUG", Py_False);
+#endif
+if (res) {
+    Py_DECREF(result); return NULL;
+}
+
+#ifdef USE_STACKCHECK
+    res = PyDict_SetItemString(result, "USE_STACKCHECK", Py_True);
+#else
+    res = PyDict_SetItemString(result, "USE_STACKCHECK", Py_False);
+#endif
+if (res) {
+    Py_DECREF(result); return NULL;
+}
+
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index 6bd73e8..9073f33 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -5919,6 +5919,18 @@ frame_getlasti(PyObject *self, PyObject *frame)
     return PyLong_FromLong(lasti);
 }
 
+static PyObject *
+get_feature_macros(PyObject *self, PyObject *Py_UNUSED(args))
+{
+    PyObject *result = PyDict_New();
+    if (!result) {
+        return NULL;
+    }
+    int res;
+#include "_testcapi_feature_macros.inc"
+    return result;
+}
+
 
 static PyObject *negative_dictoffset(PyObject *, PyObject *);
 static PyObject *test_buildvalue_issue38913(PyObject *, PyObject *);
@@ -6214,6 +6226,7 @@ static PyMethodDef TestMethods[] = {
     {"frame_getgenerator", frame_getgenerator, METH_O, NULL},
     {"frame_getbuiltins", frame_getbuiltins, METH_O, NULL},
     {"frame_getlasti", frame_getlasti, METH_O, NULL},
+    {"get_feature_macros", get_feature_macros, METH_NOARGS, NULL},
     {NULL, NULL} /* sentinel */
 };