libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-options "-g -O0" }
   3
   4 // Copyright (C) 2011-2020 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <forward_list>
  22 #include <unordered_map>
  23 #include <unordered_set>
  24 #include <string>
  25 #include <memory>
  26 #include <iostream>
  27 #include "../util/testsuite_allocator.h" // NullablePointer
  28
  29 typedef std::tuple<int, int> ExTuple;
  30
  31 template<class T>
  32 void
  33 placeholder(const T &s)
  34 {
  35   std::cout << s;
  36 }
  37
  38 template<class T, class S>
  39 void
  40 placeholder(const std::pair<T,S> &s)
  41 {
  42   std::cout << s.first;
  43 }
  44
  45 template<class T>
  46 void
  47 use(const T &container)
  48 {
  49   for (typename T::const_iterator i = container.begin();
  50        i != container.end();
  51        ++i)
  52     placeholder(*i);
  53 }
  54
  55 struct datum
  56 {
  57   std::string s;
  58   int i;
  59 };
  60
  61 std::unique_ptr<datum> global;
  62
  63 int
  64 main()
  65 {
  66   std::forward_list<int> efl;
  67 // { dg-final { regexp-test efl "empty std::(__debug::)?forward_list" } }
  68
  69   std::forward_list<int> &refl = efl;
  70 // { dg-final { regexp-test refl "empty std::(__debug::)?forward_list" } }
  71
  72   std::forward_list<int> fl;
  73   fl.push_front(2);
  74   fl.push_front(1);
  75 // { dg-final { regexp-test fl {std::(__debug::)?forward_list = {\[0\] = 1, \[1\] = 2}} } }
  76
  77   std::forward_list<int> &rfl = fl;
  78 // { dg-final { regexp-test rfl {std::(__debug::)?forward_list = {\[0\] = 1, \[1\] = 2}} } }
  79
  80   std::unordered_map<int, std::string> eum;
  81 // { dg-final { regexp-test eum "std::(__debug::)?unordered_map with 0 elements" } }
  82   std::unordered_map<int, std::string> &reum = eum;
  83 // { dg-final { regexp-test reum "std::(__debug::)?unordered_map with 0 elements" } }
  84
  85   std::unordered_multimap<int, std::string> eumm;
  86 // { dg-final { regexp-test eumm "std::(__debug::)?unordered_multimap with 0 elements" } }
  87   std::unordered_multimap<int, std::string> &reumm = eumm;
  88 // { dg-final { regexp-test reumm "std::(__debug::)?unordered_multimap with 0 elements" } }
  89
  90   std::unordered_set<int> eus;
  91 // { dg-final { regexp-test eus "std::(__debug::)?unordered_set with 0 elements" } }
  92   std::unordered_set<int> &reus = eus;
  93 // { dg-final { regexp-test reus "std::(__debug::)?unordered_set with 0 elements" } }
  94
  95   std::unordered_multiset<int> eums;
  96 // { dg-final { regexp-test eums "std::(__debug::)?unordered_multiset with 0 elements" } }
  97   std::unordered_multiset<int> &reums = eums;
  98 // { dg-final { regexp-test reums "std::(__debug::)?unordered_multiset with 0 elements" } }
  99
 100   std::unordered_map<int, std::string> uom;
 101   uom[5] = "three";
 102   uom[3] = "seven";
 103 // { dg-final { regexp-test uom {std::(__debug::)?unordered_map with 2 elements = {\[3\] = "seven", \[5\] = "three"}} } }
 104
 105   std::unordered_map<int, std::string> &ruom = uom;
 106 // { dg-final { regexp-test ruom {std::(__debug::)?unordered_map with 2 elements = {\[3\] = "seven", \[5\] = "three"}} } }
 107
 108   std::unordered_multimap<int, std::string> uomm;
 109   uomm.insert(std::pair<int, std::string> (5, "three"));
 110   uomm.insert(std::pair<int, std::string> (5, "seven"));
 111 // { dg-final { regexp-test uomm {std::(__debug::)?unordered_multimap with 2 elements = {\[5\] = "seven", \[5\] = "three"}} } }
 112   std::unordered_multimap<int, std::string> &ruomm = uomm;
 113 // { dg-final { regexp-test ruomm {std::(__debug::)?unordered_multimap with 2 elements = {\[5\] = "seven", \[5\] = "three"}} } }
 114
 115   std::unordered_set<int> uos;
 116   uos.insert(5);
 117 // { dg-final { regexp-test uos {std::(__debug::)?unordered_set with 1 element = {\[0\] = 5}} } }
 118   std::unordered_set<int> &ruos = uos;
 119 // { dg-final { regexp-test ruos {std::(__debug::)?unordered_set with 1 element = {\[0\] = 5}} } }
 120
 121   std::unordered_multiset<int> uoms;
 122   uoms.insert(5);
 123 // { dg-final { regexp-test uoms {std::(__debug::)?unordered_multiset with 1 element = {\[0\] = 5}} } }
 124   std::unordered_multiset<int> &ruoms = uoms;
 125 // { dg-final { regexp-test ruoms {std::(__debug::)?unordered_multiset with 1 element = {\[0\] = 5}} } }
 126
 127   std::unique_ptr<datum> uptr (new datum);
 128   uptr->s = "hi bob";
 129   uptr->i = 23;
 130 // { dg-final { regexp-test uptr {std::unique_ptr.datum. = {get\(\) = 0x.*}} } }
 131   std::unique_ptr<datum> &ruptr = uptr;
 132 // { dg-final { regexp-test ruptr {std::unique_ptr.datum. = {get\(\) = 0x.*}} } }
 133
 134   using data = datum[];
 135   std::unique_ptr<data> arrptr (new datum[2]);
 136 // { dg-final { regexp-test arrptr {std::unique_ptr.datum \[\]. = {get\(\) = 0x.*}} } }
 137   std::unique_ptr<data>& rarrptr = arrptr;
 138 // { dg-final { regexp-test rarrptr {std::unique_ptr.datum \[\]. = {get\(\) = 0x.*}} } }
 139
 140   struct Deleter
 141   {
 142     int deleter_member = -1;
 143     using pointer = __gnu_test::NullablePointer<void>;
 144     void operator()(pointer) const noexcept { }
 145   };
 146   static_assert( !std::is_empty<Deleter>(), "Deleter is not empty" );
 147   static_assert( std::is_empty<Deleter::pointer>(), "but pointer is empty" );
 148
 149   std::unique_ptr<int, Deleter> empty_ptr;
 150 // { dg-final { note-test empty_ptr {std::unique_ptr<int> = {get() = {<No data fields>}}} } }
 151   std::unique_ptr<int, Deleter>& rempty_ptr = empty_ptr;
 152 // { dg-final { note-test rempty_ptr {std::unique_ptr<int> = {get() = {<No data fields>}}} } }
 153
 154   ExTuple tpl(6,7);
 155 // { dg-final { note-test tpl {std::tuple containing = {[1] = 6, [2] = 7}} } }
 156   ExTuple &rtpl = tpl;
 157 // { dg-final { note-test rtpl {std::tuple containing = {[1] = 6, [2] = 7}} } }
 158   placeholder(""); // Mark SPOT
 159   use(efl);
 160   use(fl);
 161   use(eum);
 162   use(eumm);
 163   use(eus);
 164   use(eums);
 165   use(uoms);
 166   use(uptr->s);
 167   use(arrptr[0].s);
 168
 169   std::cout << "\n";
 170   return 0;
 171 }
 172
 173 // { dg-final { gdb-test SPOT } }