File: ptr_util_unittest.cc

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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/memory/ptr_util.h"

#include <stddef.h>

#include "testing/gtest/include/gtest/gtest.h"

namespace base {

namespace {

class DeleteCounter {
 public:
  DeleteCounter() { ++count_; }
  ~DeleteCounter() { --count_; }

  static size_t count() { return count_; }

 private:
  static size_t count_;
};

size_t DeleteCounter::count_ = 0;

}  // namespace

TEST(PtrUtilTest, WrapUnique) {
  EXPECT_EQ(0u, DeleteCounter::count());
  DeleteCounter* counter = new DeleteCounter;
  EXPECT_EQ(1u, DeleteCounter::count());
  std::unique_ptr<DeleteCounter> owned_counter = WrapUnique(counter);
  EXPECT_EQ(1u, DeleteCounter::count());
  owned_counter.reset();
  EXPECT_EQ(0u, DeleteCounter::count());
}

}  // namespace base