OLD | NEW |
| (Empty) |
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 friend bool operator!=(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { | |
30 return !operator==(lhs, rhs); | |
31 } | |
32 | |
33 friend bool operator<(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) { | |
34 return lhs.data_ < rhs.data_; | |
35 } | |
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 | |
49 int data() const { return data_; } | |
50 | |
51 private: | |
52 int data_; | |
53 | |
54 DISALLOW_COPY_AND_ASSIGN(MoveOnlyInt); | |
55 }; | |
56 | |
57 } // namespace base | |
58 | |
59 #endif // BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_ | |
OLD | NEW |