webrtc/talk/base/scopedptrcollection_unittest.cc
2014-02-07 19:03:26 +00:00

91 lines
2.9 KiB
C++

/*
* libjingle
* Copyright 2014 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "talk/base/scopedptrcollection.h"
#include "talk/base/gunit.h"
namespace talk_base {
namespace {
class InstanceCounter {
public:
explicit InstanceCounter(int* num_instances)
: num_instances_(num_instances) {
++(*num_instances_);
}
~InstanceCounter() {
--(*num_instances_);
}
private:
int* num_instances_;
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 talk_base