chore: import upstream snapshot with attribution

test/compat/test_compat_warn.py

@@ -0,0 +1,32 @@
+#   Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import unittest
+
+import paddle
+
+
+class TestForbidKeywordsDecorator(unittest.TestCase):
+    def test(self):
+        with self.assertRaises(TypeError) as cm:
+            self.assertWarnsRegex(
+                UserWarning,
+                "may behave differently from its PyTorch counterpart",
+                paddle.sort,
+            )
+            paddle.sort(input=paddle.to_tensor([2, 1, 3]), axis=0)
+
+
+if __name__ == '__main__':
+    unittest.main()