#   Copyright (c) 2022 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 numpy as np

import paddle


class TestTensorDataPtr(unittest.TestCase):
    def test_tensor_data_ptr(self):
        np_src = np.random.random((3, 8, 8))
        src = paddle.to_tensor(np_src, dtype="float64")
        dst = paddle.Tensor()
        src._share_buffer_to(dst)
        self.assertTrue(src.data_ptr() is not None)
        self.assertEqual(src.data_ptr(), dst.data_ptr())


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