fmt/test/mock-allocator.h

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// 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"
template <typename T>
class MockAllocator {
public:
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MockAllocator() {}
MockAllocator(const MockAllocator &) {}
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 AllocatorRef {
private:
Allocator *alloc_;
public:
typedef typename Allocator::value_type value_type;
explicit AllocatorRef(Allocator *alloc = nullptr) : alloc_(alloc) {}
AllocatorRef(const AllocatorRef &other) : alloc_(other.alloc_) {}
AllocatorRef& operator=(const AllocatorRef &other) {
alloc_ = other.alloc_;
return *this;
}
#if FMT_USE_RVALUE_REFERENCES
private:
void move(AllocatorRef &other) {
alloc_ = other.alloc_;
other.alloc_ = nullptr;
}
public:
AllocatorRef(AllocatorRef &&other) {
move(other);
}
AllocatorRef& operator=(AllocatorRef &&other) {
assert(this != &other);
move(other);
return *this;
}
#endif
Allocator *get() const { return alloc_; }
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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_