gh-101072: support default and kw default in PyEval_EvalCodeEx for 3.11+ (#101127)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>

Lib/test/test_capi/test_eval_code_ex.py

@@ -0,0 +1,56 @@
+import unittest
+
+from test.support import import_helper
+
+
+# Skip this test if the _testcapi module isn't available.
+_testcapi = import_helper.import_module('_testcapi')
+
+
+class PyEval_EvalCodeExTests(unittest.TestCase):
+
+    def test_simple(self):
+        def f():
+            return a
+
+        self.assertEqual(_testcapi.eval_code_ex(f.__code__, dict(a=1)), 1)
+
+    # Need to force the compiler to use LOAD_NAME
+    # def test_custom_locals(self):
+    #     def f():
+    #         return
+
+    def test_with_args(self):
+        def f(a, b, c):
+            return a
+
+        self.assertEqual(_testcapi.eval_code_ex(f.__code__, {}, {}, (1, 2, 3)), 1)
+
+    def test_with_kwargs(self):
+        def f(a, b, c):
+            return a
+
+        self.assertEqual(_testcapi.eval_code_ex(f.__code__, {}, {}, (), dict(a=1, b=2, c=3)), 1)
+
+    def test_with_default(self):
+        def f(a):
+            return a
+
+        self.assertEqual(_testcapi.eval_code_ex(f.__code__, {}, {}, (), {}, (1,)), 1)
+
+    def test_with_kwarg_default(self):
+        def f(*, a):
+            return a
+
+        self.assertEqual(_testcapi.eval_code_ex(f.__code__, {}, {}, (), {}, (), dict(a=1)), 1)
+
+    def test_with_closure(self):
+        a = 1
+        def f():
+            return a
+
+        self.assertEqual(_testcapi.eval_code_ex(f.__code__, {}, {}, (), {}, (), {}, f.__closure__), 1)
+
+
+if __name__ == "__main__":
+    unittest.main()