# 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 TestCpuCuda(unittest.TestCase):
    def test_cpu_cuda(self):
        if paddle.is_compiled_with_cuda():
            x = paddle.to_tensor([3])
            x = x.cuda()
            self.assertFalse(x.place.is_cpu_place())
            x = x.cpu()
            self.assertTrue(x.place.is_cpu_place())


if __name__ == "__main__":
    unittest.main()