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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_
#define BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_
// This file contains some helper classes for testing conainer behavior.
#include "base/macros.h"
namespace base {
// A move-only class that holds an integer.
class MoveOnlyInt {
public:
explicit MoveOnlyInt(int data = 1) : data_(data) {}
MoveOnlyInt(MoveOnlyInt&& other) : data_(other.data_) { other.data_ = 0; }
MoveOnlyInt& operator=(MoveOnlyInt&& other) {
data_ = other.data_;
other.data_ = 0;
return *this;
}
friend bool operator==(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) {
return lhs.data_ == rhs.data_;
}
friend bool operator!=(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) {
return !operator==(lhs, rhs);
}
friend bool operator<(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) {
return lhs.data_ < rhs.data_;
}
friend bool operator>(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) {
return rhs < lhs;
}
friend bool operator<=(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) {
return !(rhs < lhs);
}
friend bool operator>=(const MoveOnlyInt& lhs, const MoveOnlyInt& rhs) {
return !(lhs < rhs);
}
int data() const { return data_; }
private:
int data_;
DISALLOW_COPY_AND_ASSIGN(MoveOnlyInt);
};
} // namespace base
#endif // BASE_CONTAINERS_CONTAINER_TEST_UTILS_H_
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