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annotate dep/fmt/test/mock-allocator.h @ 358:53c92e8968d5

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CI: cleanup; remove source URL
author Paper <paper@paper.us.eu.org>
date Mon, 15 Jul 2024 01:01:52 -0400
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1 // Formatting library for C++ - mock allocator
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2 //
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3 // Copyright (c) 2012 - present, Victor Zverovich
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4 // All rights reserved.
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5 //
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6 // For the license information refer to format.h.
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7
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8 #ifndef FMT_MOCK_ALLOCATOR_H_
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9 #define FMT_MOCK_ALLOCATOR_H_
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10
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11 #include <assert.h> // assert
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12 #include <stddef.h> // size_t
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13
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14 #include <memory> // std::allocator_traits
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15
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16 #include "gmock/gmock.h"
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17
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18 template <typename T> class mock_allocator {
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19 public:
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20 mock_allocator() {}
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21 mock_allocator(const mock_allocator&) {}
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22 using value_type = T;
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23 MOCK_METHOD(T*, allocate, (size_t));
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24 MOCK_METHOD(void, deallocate, (T*, size_t));
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25 };
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26
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27 template <typename Allocator> class allocator_ref {
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28 private:
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29 Allocator* alloc_;
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30
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31 void move(allocator_ref& other) {
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32 alloc_ = other.alloc_;
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33 other.alloc_ = nullptr;
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34 }
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35
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36 public:
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37 using value_type = typename Allocator::value_type;
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38
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39 explicit allocator_ref(Allocator* alloc = nullptr) : alloc_(alloc) {}
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40
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41 allocator_ref(const allocator_ref& other) : alloc_(other.alloc_) {}
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42 allocator_ref(allocator_ref&& other) { move(other); }
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43
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44 allocator_ref& operator=(allocator_ref&& other) {
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45 assert(this != &other);
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46 move(other);
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47 return *this;
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48 }
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49
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50 allocator_ref& operator=(const allocator_ref& other) {
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51 alloc_ = other.alloc_;
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52 return *this;
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53 }
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54
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55 public:
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56 Allocator* get() const { return alloc_; }
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57
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58 value_type* allocate(size_t n) {
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59 return std::allocator_traits<Allocator>::allocate(*alloc_, n);
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60 }
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61 void deallocate(value_type* p, size_t n) { alloc_->deallocate(p, n); }
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62 };
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64 #endif // FMT_MOCK_ALLOCATOR_H_