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| 1 // Copyright 2017 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 #ifndef BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ |
| 6 #define BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ |
| 7 |
| 8 // This file contains some helper classes for testing conainer behavior. |
| 9 |
| 10 #include "base/macros.h" |
| 11 |
| 12 namespace base { |
| 13 |
| 14 // A move-only class that holds an integer. |
| 15 class MoveOnlyInt { |
| 16 public: |
| 17 explicit MoveOnlyInt(int data = 1) : data_(data) {} |
| 18 MoveOnlyInt(MoveOnlyInt&& other) : data_(other.data_) { other.data_ = 0; } |
| 19 MoveOnlyInt& operator=(MoveOnlyInt&& other) { |
| 20 data_ = other.data_; |
| 21 other.data_ = 0; |
| 22 return *this; |
| 23 } |
| 24 |
| 25 friend bool operator<(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { |
| 26 return lhs.data_ < rhs.data_; |
| 27 } |
| 28 |
| 29 int data() const { return data_; } |
| 30 |
| 31 private: |
| 32 int data_; |
| 33 |
| 34 DISALLOW_COPY_AND_ASSIGN(MoveOnlyInt); |
| 35 }; |
| 36 |
| 37 } // namespace base |
| 38 |
| 39 #endif // BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ |
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