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