fmtlegacy/test/mock-allocator.h
2018-10-24 10:52:02 -07:00

63 lines
1.4 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 "gmock.h"
#include "fmt/format.h"
template <typename T>
class mock_allocator {
public:
mock_allocator() {}
mock_allocator(const mock_allocator &) {}
typedef T value_type;
MOCK_METHOD1_T(allocate, T* (std::size_t n));
MOCK_METHOD2_T(deallocate, void (T* p, std::size_t n));
};
template <typename Allocator>
class allocator_ref {
private:
Allocator *alloc_;
void move(allocator_ref &other) {
alloc_ = other.alloc_;
other.alloc_ = FMT_NULL;
}
public:
typedef typename Allocator::value_type value_type;
explicit allocator_ref(Allocator *alloc = FMT_NULL) : 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(std::size_t n) {
return fmt::internal::allocate(*alloc_, n);
}
void deallocate(value_type* p, std::size_t n) { alloc_->deallocate(p, n); }
};
#endif // FMT_MOCK_ALLOCATOR_H_