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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "base/memory/ptr_util.h" |
| 6 |
| 7 #include "testing/gtest/include/gtest/gtest.h" |
| 8 |
| 9 namespace base { |
| 10 |
| 11 namespace { |
| 12 |
| 13 class DeleteCounter { |
| 14 public: |
| 15 DeleteCounter() { ++count_; } |
| 16 ~DeleteCounter() { --count_; } |
| 17 |
| 18 static size_t count() { return count_; } |
| 19 |
| 20 private: |
| 21 static size_t count_; |
| 22 }; |
| 23 |
| 24 size_t DeleteCounter::count_ = 0; |
| 25 |
| 26 } // namespace |
| 27 |
| 28 TEST(PtrUtilTest, WrapUnique) { |
| 29 EXPECT_EQ(0u, DeleteCounter::count()); |
| 30 DeleteCounter* counter = new DeleteCounter; |
| 31 EXPECT_EQ(1u, DeleteCounter::count()); |
| 32 std::unique_ptr<DeleteCounter> owned_counter = WrapUnique(counter); |
| 33 EXPECT_EQ(1u, DeleteCounter::count()); |
| 34 owned_counter.reset(); |
| 35 EXPECT_EQ(0u, DeleteCounter::count()); |
| 36 } |
| 37 |
| 38 } // namespace base |
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