77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
/*
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* Copyright 2014 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <memory>
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/base/scopedptrcollection.h"
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#include "webrtc/base/gunit.h"
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namespace rtc {
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namespace {
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class InstanceCounter {
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public:
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explicit InstanceCounter(int* num_instances)
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: num_instances_(num_instances) {
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++(*num_instances_);
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}
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~InstanceCounter() {
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--(*num_instances_);
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}
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private:
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int* num_instances_;
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RTC_DISALLOW_COPY_AND_ASSIGN(InstanceCounter);
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};
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} // namespace
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class ScopedPtrCollectionTest : public testing::Test {
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protected:
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ScopedPtrCollectionTest()
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: num_instances_(0),
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collection_(new ScopedPtrCollection<InstanceCounter>()) {
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}
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int num_instances_;
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std::unique_ptr<ScopedPtrCollection<InstanceCounter> > collection_;
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};
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TEST_F(ScopedPtrCollectionTest, PushBack) {
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EXPECT_EQ(0u, collection_->collection().size());
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EXPECT_EQ(0, num_instances_);
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const int kNum = 100;
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for (int i = 0; i < kNum; ++i) {
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collection_->PushBack(new InstanceCounter(&num_instances_));
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}
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EXPECT_EQ(static_cast<size_t>(kNum), collection_->collection().size());
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EXPECT_EQ(kNum, num_instances_);
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collection_.reset();
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EXPECT_EQ(0, num_instances_);
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}
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TEST_F(ScopedPtrCollectionTest, Remove) {
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InstanceCounter* ic = new InstanceCounter(&num_instances_);
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collection_->PushBack(ic);
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EXPECT_EQ(1u, collection_->collection().size());
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collection_->Remove(ic);
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EXPECT_EQ(1, num_instances_);
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collection_.reset();
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EXPECT_EQ(1, num_instances_);
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delete ic;
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EXPECT_EQ(0, num_instances_);
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}
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} // namespace rtc
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