libcxx/test/support/nasty_containers.h

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef NASTY_CONTAINERS_H
  10 #define NASTY_CONTAINERS_H
  11
  12 #include <cassert>
  13 #include <cstddef>
  14 #include <vector>
  15 #include <list>
  16 #include <type_traits>
  17
  18 #include "test_macros.h"
  19
  20 template <class T>
  21 class nasty_vector
  22 {
  23 public:
  24     typedef typename std::vector<T>                           nested_container;
  25     typedef typename nested_container::value_type             value_type;
  26     typedef typename nested_container::reference              reference;
  27     typedef typename nested_container::const_reference        const_reference;
  28     typedef typename nested_container::iterator               iterator;
  29     typedef typename nested_container::const_iterator         const_iterator;
  30
  31     typedef typename nested_container::size_type              size_type;
  32     typedef typename nested_container::difference_type        difference_type;
  33     typedef typename nested_container::pointer                pointer;
  34     typedef typename nested_container::const_pointer          const_pointer;
  35
  36     typedef typename nested_container::reverse_iterator       reverse_iterator;
  37     typedef typename nested_container::const_reverse_iterator const_reverse_iterator;
  38
  39     nasty_vector() : v_() {}
  40     explicit nasty_vector(size_type n) : v_(n) {}
  41     nasty_vector(size_type n, const value_type& value) : v_(n, value) {}
  42     template <class InputIterator> nasty_vector(InputIterator first, InputIterator last) : v_(first, last) {}
  43 #if TEST_STD_VER >= 11
  44     nasty_vector(std::initializer_list<value_type> il) : v_(il) {}
  45 #endif
  46     nasty_vector(const nasty_vector&) = default;
  47     nasty_vector& operator=(const nasty_vector&) = default;
  48     ~nasty_vector() {}
  49
  50     template <class InputIterator>
  51         void assign(InputIterator first, InputIterator last) { v_.assign(first, last); }
  52     void assign(size_type n, const value_type& u) { v_.assign(n, u); }
  53 #if TEST_STD_VER >= 11
  54     void assign(std::initializer_list<value_type> il)  { v_.assign(il); }
  55 #endif
  56
  57     iterator               begin() TEST_NOEXCEPT         { return v_.begin(); }
  58     const_iterator         begin()   const TEST_NOEXCEPT { return v_.begin(); }
  59     iterator               end() TEST_NOEXCEPT           { return v_.end(); }
  60     const_iterator         end()     const TEST_NOEXCEPT { return v_.end(); }
  61
  62     reverse_iterator       rbegin() TEST_NOEXCEPT        { return v_.rbegin(); }
  63     const_reverse_iterator rbegin()  const TEST_NOEXCEPT { return v_.rbegin(); }
  64     reverse_iterator       rend() TEST_NOEXCEPT          { return v_.rend(); }
  65     const_reverse_iterator rend()    const TEST_NOEXCEPT { return v_.rend(); }
  66
  67     const_iterator         cbegin()  const TEST_NOEXCEPT { return v_.cbegin(); }
  68     const_iterator         cend()    const TEST_NOEXCEPT { return v_.cend(); }
  69     const_reverse_iterator crbegin() const TEST_NOEXCEPT { return v_.crbegin(); }
  70     const_reverse_iterator crend()   const TEST_NOEXCEPT { return v_.crend(); }
  71
  72     size_type size() const TEST_NOEXCEPT      { return v_.size(); }
  73     size_type max_size() const TEST_NOEXCEPT  { return v_.max_size(); }
  74     size_type capacity() const TEST_NOEXCEPT  { return v_.capacity(); }
  75     bool empty() const TEST_NOEXCEPT          { return v_.empty(); }
  76     void reserve(size_type n)             { v_.reserve(n); };
  77     void shrink_to_fit() TEST_NOEXCEPT        { v_.shrink_to_fit(); }
  78
  79     reference       operator[](size_type n)       { return v_[n]; }
  80     const_reference operator[](size_type n) const { return v_[n]; }
  81     reference       at(size_type n)               { return v_.at(n); }
  82     const_reference at(size_type n) const         { return v_.at(n); }
  83
  84     reference       front()       { return v_.front(); }
  85     const_reference front() const { return v_.front(); }
  86     reference       back()        { return v_.back(); }
  87     const_reference back() const  { return v_.back(); }
  88
  89     value_type*       data() TEST_NOEXCEPT       { return v_.data(); }
  90     const value_type* data() const TEST_NOEXCEPT { return v_.data(); }
  91
  92     void push_back(const value_type& x)     { v_.push_back(x); }
  93 #if TEST_STD_VER >= 11
  94     void push_back(value_type&& x)          { v_.push_back(std::forward<value_type&&>(x)); }
  95     template <class... Args>
  96         void emplace_back(Args&&... args)   { v_.emplace_back(std::forward<Args>(args)...); }
  97 #endif
  98     void pop_back()                         { v_.pop_back(); }
  99
 100 #if TEST_STD_VER >= 11
 101     template <class... Args> iterator emplace(const_iterator pos, Args&&... args)
 102     { return v_.emplace(pos, std::forward<Args>(args)...); }
 103 #endif
 104
 105     iterator insert(const_iterator pos, const value_type& x) { return v_.insert(pos, x); }
 106 #if TEST_STD_VER >= 11
 107     iterator insert(const_iterator pos, value_type&& x)      { return v_.insert(pos, std::forward<value_type>(x)); }
 108 #endif
 109     iterator insert(const_iterator pos, size_type n, const value_type& x) { return v_.insert(pos, n, x); }
 110     template <class InputIterator>
 111         iterator insert(const_iterator pos, InputIterator first, InputIterator last)
 112     { return v_.insert(pos, first, last); }
 113
 114 #if TEST_STD_VER >= 11
 115     iterator insert(const_iterator pos, std::initializer_list<value_type> il) { return v_.insert(pos, il); }
 116 #endif
 117
 118     iterator erase(const_iterator pos)                        { return v_.erase(pos); }
 119     iterator erase(const_iterator first, const_iterator last) { return v_.erase(first, last); }
 120
 121     void clear() TEST_NOEXCEPT { v_.clear(); }
 122
 123     void resize(size_type sz)                      { v_.resize(sz); }
 124     void resize(size_type sz, const value_type& c) { v_.resize(sz, c); }
 125
 126     void swap(nasty_vector &nv)
 127 #if TEST_STD_VER > 14
 128     noexcept(std::is_nothrow_swappable<nested_container>::value)
 129 #elif defined(_LIBCPP_VERSION)
 130     TEST_NOEXCEPT_COND(std::__is_nothrow_swappable<nested_container>::value)
 131 #endif
 132     { v_.swap(nv.v_); }
 133
 134     nasty_vector *operator &()             { assert(false); return nullptr; }  // nasty
 135     const nasty_vector *operator &() const { assert(false); return nullptr; }  // nasty
 136
 137     nested_container v_;
 138 };
 139
 140 template <class T>
 141 bool operator==(const nasty_vector<T>& x, const nasty_vector<T>& y) { return x.v_ == y.v_; }
 142
 143
 144 #if TEST_STD_VER >= 20
 145
 146 template <class T>
 147 auto operator<=>(const nasty_vector<T>& x, const nasty_vector<T>& y) { return x.v_ <=> y.v_; }
 148
 149 #endif
 150
 151 template <class T>
 152 class nasty_list
 153 {
 154 public:
 155
 156     typedef typename std::list<T>                             nested_container;
 157     typedef typename nested_container::value_type             value_type;
 158     typedef typename nested_container::reference              reference;
 159     typedef typename nested_container::const_reference        const_reference;
 160     typedef typename nested_container::iterator               iterator;
 161     typedef typename nested_container::const_iterator         const_iterator;
 162
 163     typedef typename nested_container::size_type              size_type;
 164     typedef typename nested_container::difference_type        difference_type;
 165     typedef typename nested_container::pointer                pointer;
 166     typedef typename nested_container::const_pointer          const_pointer;
 167
 168     typedef typename nested_container::reverse_iterator       reverse_iterator;
 169     typedef typename nested_container::const_reverse_iterator const_reverse_iterator;
 170
 171     nasty_list() : l_() {}
 172     explicit nasty_list(size_type n)  : l_(n) {}
 173     nasty_list(size_type n, const value_type& value)  : l_(n,value) {}
 174     template <class Iter>
 175         nasty_list(Iter first, Iter last)  : l_(first, last) {}
 176 #if TEST_STD_VER >= 11
 177     nasty_list(std::initializer_list<value_type> il) : l_(il) {}
 178 #endif
 179     nasty_list(const nasty_list&) = default;
 180     nasty_list& operator=(const nasty_list&) = default;
 181     ~nasty_list() {}
 182
 183 #if TEST_STD_VER >= 11
 184     nasty_list& operator=(std::initializer_list<value_type> il) { l_ = il; return *this; }
 185 #endif
 186     template <class Iter>
 187         void assign(Iter first, Iter last) { l_.assign(first, last); }
 188     void assign(size_type n, const value_type& t) { l_.assign(n, t); }
 189 #if TEST_STD_VER >= 11
 190     void assign(std::initializer_list<value_type> il) { l_.assign(il); }
 191 #endif
 192
 193
 194     iterator               begin() TEST_NOEXCEPT         { return l_.begin(); }
 195     const_iterator         begin()   const TEST_NOEXCEPT { return l_.begin(); }
 196     iterator               end() TEST_NOEXCEPT           { return l_.end(); }
 197     const_iterator         end()     const TEST_NOEXCEPT { return l_.end(); }
 198
 199     reverse_iterator       rbegin() TEST_NOEXCEPT        { return l_.rbegin(); }
 200     const_reverse_iterator rbegin()  const TEST_NOEXCEPT { return l_.rbegin(); }
 201     reverse_iterator       rend() TEST_NOEXCEPT          { return l_.rend(); }
 202     const_reverse_iterator rend()    const TEST_NOEXCEPT { return l_.rend(); }
 203
 204     const_iterator         cbegin()  const TEST_NOEXCEPT { return l_.cbegin(); }
 205     const_iterator         cend()    const TEST_NOEXCEPT { return l_.cend(); }
 206     const_reverse_iterator crbegin() const TEST_NOEXCEPT { return l_.crbegin(); }
 207     const_reverse_iterator crend()   const TEST_NOEXCEPT { return l_.crend(); }
 208
 209     reference       front()       { return l_.front(); }
 210     const_reference front() const { return l_.front(); }
 211     reference       back()        { return l_.back(); }
 212     const_reference back() const  { return l_.back(); }
 213
 214     size_type size() const TEST_NOEXCEPT      { return l_.size(); }
 215     size_type max_size() const TEST_NOEXCEPT  { return l_.max_size(); }
 216     bool empty() const TEST_NOEXCEPT          { return l_.empty(); }
 217
 218     void push_front(const value_type& x)    { l_.push_front(x); }
 219     void push_back(const value_type& x)     { l_.push_back(x); }
 220 #if TEST_STD_VER >= 11
 221     void push_back(value_type&& x)          { l_.push_back(std::forward<value_type&&>(x)); }
 222     void push_front(value_type&& x)         { l_.push_front(std::forward<value_type&&>(x)); }
 223     template <class... Args>
 224         void emplace_back(Args&&... args)   { l_.emplace_back(std::forward<Args>(args)...); }
 225     template <class... Args>
 226         void emplace_front(Args&&... args)  { l_.emplace_front(std::forward<Args>(args)...); }
 227 #endif
 228     void pop_front()                        { l_.pop_front(); }
 229     void pop_back()                         { l_.pop_back(); }
 230
 231 #if TEST_STD_VER >= 11
 232     template <class... Args> iterator emplace(const_iterator pos, Args&&... args)
 233     { return l_.emplace(pos, std::forward<Args>(args)...); }
 234 #endif
 235
 236     iterator insert(const_iterator pos, const value_type& x) { return l_.insert(pos, x); }
 237 #if TEST_STD_VER >= 11
 238     iterator insert(const_iterator pos, value_type&& x)      { return l_.insert(pos, std::forward<value_type>(x)); }
 239 #endif
 240     iterator insert(const_iterator pos, size_type n, const value_type& x) { return l_.insert(pos, n, x); }
 241     template <class InputIterator>
 242         iterator insert(const_iterator pos, InputIterator first, InputIterator last)
 243     { return l_.insert(pos, first, last); }
 244
 245 #if TEST_STD_VER >= 11
 246     iterator insert(const_iterator pos, std::initializer_list<value_type> il) { return l_.insert(pos, il); }
 247 #endif
 248
 249     iterator erase(const_iterator pos)                      { return l_.erase(pos); }
 250     iterator erase(const_iterator first, const_iterator last) { return l_.erase(first, last); }
 251
 252     void resize(size_type n)                      { l_.resize(n); }
 253     void resize(size_type n, const value_type& c) { l_.resize(n, c); }
 254
 255     void swap(nasty_list &nl)
 256 #if TEST_STD_VER > 14
 257     noexcept(std::is_nothrow_swappable<nested_container>::value)
 258 #elif defined(_LIBCPP_VERSION)
 259     TEST_NOEXCEPT_COND(std::__is_nothrow_swappable<nested_container>::value)
 260 #endif
 261     { l_.swap(nl.l_); }
 262
 263     void clear() TEST_NOEXCEPT { l_.clear(); }
 264
 265 //     void splice(const_iterator position, list& x);
 266 //     void splice(const_iterator position, list&& x);
 267 //     void splice(const_iterator position, list& x, const_iterator i);
 268 //     void splice(const_iterator position, list&& x, const_iterator i);
 269 //     void splice(const_iterator position, list& x, const_iterator first,
 270 //                                                   const_iterator last);
 271 //     void splice(const_iterator position, list&& x, const_iterator first,
 272 //                                                   const_iterator last);
 273 //
 274 //     void remove(const value_type& value);
 275 //     template <class Pred> void remove_if(Pred pred);
 276 //     void unique();
 277 //     template <class BinaryPredicate>
 278 //         void unique(BinaryPredicate binary_pred);
 279 //     void merge(list& x);
 280 //     void merge(list&& x);
 281 //     template <class Compare>
 282 //         void merge(list& x, Compare comp);
 283 //     template <class Compare>
 284 //         void merge(list&& x, Compare comp);
 285 //     void sort();
 286 //     template <class Compare>
 287 //         void sort(Compare comp);
 288 //     void reverse() noexcept;
 289
 290     nasty_list *operator &()             { assert(false); return nullptr; }  // nasty
 291     const nasty_list *operator &() const { assert(false); return nullptr; }  // nasty
 292
 293     nested_container l_;
 294 };
 295
 296 template <class T>
 297 bool operator==(const nasty_list<T>& x, const nasty_list<T>& y) { return x.l_ == y.l_; }
 298
 299 #if TEST_STD_VER >= 20
 300
 301 template <class T>
 302 auto operator<=>(const nasty_list<T>& x, const nasty_list<T>& y) { return x.l_ <=> y.l_; }
 303
 304 #endif
 305
 306 // Not really a mutex, but can play one in tests
 307 class nasty_mutex
 308 {
 309 public:
 310      nasty_mutex() TEST_NOEXCEPT {}
 311      ~nasty_mutex() {}
 312
 313     nasty_mutex *operator& ()   { assert(false); return nullptr; }
 314     template <typename T>
 315     void operator, (const T &) { assert(false); }
 316
 317 private:
 318     nasty_mutex(const nasty_mutex&)            { assert(false); }
 319     nasty_mutex& operator=(const nasty_mutex&) { assert(false); return *this; }
 320
 321 public:
 322     void lock()               {}
 323     bool try_lock() TEST_NOEXCEPT { return true; }
 324     void unlock() TEST_NOEXCEPT   {}
 325
 326     // Shared ownership
 327     void lock_shared()     {}
 328     bool try_lock_shared() { return true; }
 329     void unlock_shared()   {}
 330 };
 331
 332 #endif