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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ | 5 #ifndef BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ |
6 #define BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ | 6 #define BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ |
7 | 7 |
8 // This file contains some helper classes for testing conainer behavior. | 8 // This file contains some helper classes for testing conainer behavior. |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 | 11 |
12 namespace base { | 12 namespace base { |
13 | 13 |
14 // A move-only class that holds an integer. | 14 // A move-only class that holds an integer. |
15 class MoveOnlyInt { | 15 class MoveOnlyInt { |
16 public: | 16 public: |
17 explicit MoveOnlyInt(int data = 1) : data_(data) {} | 17 explicit MoveOnlyInt(int data = 1) : data_(data) {} |
18 MoveOnlyInt(MoveOnlyInt&& other) : data_(other.data_) { other.data_ = 0; } | 18 MoveOnlyInt(MoveOnlyInt&& other) : data_(other.data_) { other.data_ = 0; } |
19 MoveOnlyInt& operator=(MoveOnlyInt&& other) { | 19 MoveOnlyInt& operator=(MoveOnlyInt&& other) { |
20 data_ = other.data_; | 20 data_ = other.data_; |
21 other.data_ = 0; | 21 other.data_ = 0; |
22 return *this; | 22 return *this; |
23 } | 23 } |
24 | 24 |
| 25 friend bool operator==(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { |
| 26 return lhs.data_ == rhs.data_; |
| 27 } |
| 28 |
| 29 friend bool operator!=(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { |
| 30 return !operator==(lhs, rhs); |
| 31 } |
| 32 |
25 friend bool operator<(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { | 33 friend bool operator<(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { |
26 return lhs.data_ < rhs.data_; | 34 return lhs.data_ < rhs.data_; |
27 } | 35 } |
28 | 36 |
| 37 friend bool operator>(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { |
| 38 return rhs < lhs; |
| 39 } |
| 40 |
| 41 friend bool operator<=(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { |
| 42 return !(rhs < lhs); |
| 43 } |
| 44 |
| 45 friend bool operator>=(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { |
| 46 return !(lhs < rhs); |
| 47 } |
| 48 |
29 int data() const { return data_; } | 49 int data() const { return data_; } |
30 | 50 |
31 private: | 51 private: |
32 int data_; | 52 int data_; |
33 | 53 |
34 DISALLOW_COPY_AND_ASSIGN(MoveOnlyInt); | 54 DISALLOW_COPY_AND_ASSIGN(MoveOnlyInt); |
35 }; | 55 }; |
36 | 56 |
37 } // namespace base | 57 } // namespace base |
38 | 58 |
39 #endif // BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ | 59 #endif // BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ |
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