36 lines
1.1 KiB
36 lines
1.1 KiB
/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include "paddle/fluid/framework/details/cow_ptr.h"
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#include "gtest/gtest.h"
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namespace paddle {
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namespace framework {
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namespace details {
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TEST(COWPtr, all) {
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COWPtr<int> ptr(new int{0});
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ASSERT_EQ(ptr.Data(), 0);
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COWPtr<int> ptr2 = ptr;
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ASSERT_EQ(ptr2.Data(), 0);
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ASSERT_EQ(&ptr2.Data(), &ptr.Data());
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*ptr2.MutableData() = 10;
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ASSERT_EQ(ptr.Data(), 0);
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ASSERT_EQ(ptr2.Data(), 10);
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}
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} // namespace details
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} // namespace framework
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} // namespace paddle
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