wehub-resource-sync
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
// Copyright (c) 2021 CINN Authors. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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/cinn/common/shared.h"
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#include <glog/logging.h>
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#include <gtest/gtest.h>
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#include "paddle/cinn/common/object.h"
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namespace cinn {
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namespace common {
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struct A : public Object {
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const char *type_info() const override { return "A"; }
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Shared<A> other;
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};
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class B : public Object {};
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TEST(Shared, test) {
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Shared<A> a_ref(make_shared<A>());
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ASSERT_EQ(ref_count(a_ref.get()).val(), 1);
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{ // local copy
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Shared<A> b = a_ref;
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EXPECT_EQ(ref_count(a_ref.get()).val(), 2);
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ASSERT_EQ(ref_count(b.get()).val(), 2);
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}
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ASSERT_EQ(ref_count(a_ref.get()).val(), 1);
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}
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TEST(Shared, cycle_share) {
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{
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Shared<A> a_ref(make_shared<A>());
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a_ref->other = a_ref;
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ASSERT_EQ(a_ref->__ref_count__.val(), 2);
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}
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}
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} // namespace common
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} // namespace cinn
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