libstdc++-v3/testsuite/libstdc++-prettyprinters/debug_cxx11.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-options "-g -O0" }
   3
   4 // Copyright (C) 2016-2020 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 #ifndef _GLIBCXX_DEBUG
  22 # define _GLIBCXX_DEBUG
  23 #endif
  24
  25 #include <forward_list>
  26 #include <unordered_map>
  27 #include <unordered_set>
  28 #include <iostream>
  29
  30 int
  31 main()
  32 {
  33   std::forward_list<std::string> flst;
  34   std::forward_list<std::string>::iterator flstiter0;
  35 // { dg-final { note-test flstiter0 {non-dereferenceable iterator for std::forward_list}} }
  36   flst.push_front("dum");
  37   std::forward_list<std::string>::iterator flstiter1 = flst.begin();
  38 // { dg-final { note-test *flstiter1 {"dum"}} }
  39   flst.push_front("dee");
  40   std::forward_list<std::string>::iterator flstiter2 = flst.begin();
  41 // { dg-final { note-test *flstiter2 {"dee"}} }
  42 // { dg-final { note-test flst {std::__debug::forward_list = {[0] = "dee", [1] = "dum"}} } }
  43
  44   std::forward_list<std::string>::const_iterator flstciter = flst.begin();
  45 // { dg-final { note-test *flstciter {"dee"}} }
  46
  47   std::unordered_map<std::string, int> um{ {"zardoz", 23} };
  48 // { dg-final { note-test um {std::__debug::unordered_map with 1 element = {["zardoz"] = 23}} } }
  49
  50   std::unordered_map<std::string, int>::iterator umiter = um.begin();
  51 // { dg-final { note-test umiter->first {"zardoz"} } }
  52
  53   std::unordered_set<std::string> us{"barrel"};
  54 // { dg-final { note-test us {std::__debug::unordered_set with 1 element = {[0] = "barrel"}} } }
  55
  56   std::unordered_set<std::string>::const_iterator usciter = us.begin();
  57 // { dg-final { note-test *usciter {"barrel"} } }
  58
  59   // N.B. printers.py does not define printers for the iterator types
  60   // that belong to C++11 containers, so tests above dereference the
  61   // iterators, and to make that work we need to ensure the operator
  62   // definitions are in the debug info:
  63   std::string tem;
  64   tem = *flstiter1;
  65   tem = *flstciter;
  66   tem = umiter->first;
  67   tem = *usciter;
  68
  69   std::cout << "\n";
  70   return 0;                     // Mark SPOT
  71 }
  72
  73 // { dg-final { gdb-test SPOT } }