chore: import upstream snapshot with attribution

test/xpu/test_xpu_empty_cache.py

@@ -0,0 +1,29 @@
+# Copyright (c) 2024 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 TestEmptyCache(unittest.TestCase):
+    def test_empty_cache(self):
+        x = paddle.randn((2, 10, 12)).astype('float32')
+        del x
+        self.assertIsNone(paddle.device.xpu.empty_cache())
+        self.assertIsNone(paddle.device.empty_cache())
+
+
+if __name__ == '__main__':
+    unittest.main()