65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
|
// Formatting library for C++ - mock allocator
|
||
|
|
//
|
||
|
|
// Copyright (c) 2012 - present, Victor Zverovich
|
||
|
|
// All rights reserved.
|
||
|
|
//
|
||
|
|
// For the license information refer to format.h.
|
||
|
|
|
||
|
|
#ifndef FMT_MOCK_ALLOCATOR_H_
|
||
|
|
#define FMT_MOCK_ALLOCATOR_H_
|
||
|
|
|
||
|
|
#include <assert.h> // assert
|
||
|
|
#include <stddef.h> // size_t
|
||
|
|
|
||
|
|
#include <memory> // std::allocator_traits
|
||
|
|
|
||
|
|
#include "gmock/gmock.h"
|
||
|
|
|
||
|
|
template <typename T> class mock_allocator {
|
||
|
|
public:
|
||
|
|
mock_allocator() {}
|
||
|
|
mock_allocator(const mock_allocator&) {}
|
||
|
|
using value_type = T;
|
||
|
|
MOCK_METHOD1_T(allocate, T*(size_t n));
|
||
|
|
MOCK_METHOD2_T(deallocate, void(T* p, size_t n));
|
||
|
|
};
|
||
|
|
|
||
|
|
template <typename Allocator> class allocator_ref {
|
||
|
|
private:
|
||
|
|
Allocator* alloc_;
|
||
|
|
|
||
|
|
void move(allocator_ref& other) {
|
||
|
|
alloc_ = other.alloc_;
|
||
|
|
other.alloc_ = nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
public:
|
||
|
|
using value_type = typename Allocator::value_type;
|
||
|
|
|
||
|
|
explicit allocator_ref(Allocator* alloc = nullptr) : alloc_(alloc) {}
|
||
|
|
|
||
|
|
allocator_ref(const allocator_ref& other) : alloc_(other.alloc_) {}
|
||
|
|
allocator_ref(allocator_ref&& other) { move(other); }
|
||
|
|
|
||
|
|
allocator_ref& operator=(allocator_ref&& other) {
|
||
|
|
assert(this != &other);
|
||
|
|
move(other);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
allocator_ref& operator=(const allocator_ref& other) {
|
||
|
|
alloc_ = other.alloc_;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
public:
|
||
|
|
Allocator* get() const { return alloc_; }
|
||
|
|
|
||
|
|
value_type* allocate(size_t n) {
|
||
|
|
return std::allocator_traits<Allocator>::allocate(*alloc_, n);
|
||
|
|
}
|
||
|
|
void deallocate(value_type* p, size_t n) { alloc_->deallocate(p, n); }
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // FMT_MOCK_ALLOCATOR_H_
|