libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2009-2019 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <exception>
  21 #include <testsuite_hooks.h>
  22
  23 struct derived : std::nested_exception { };
  24
  25 struct not_derived { virtual ~not_derived() noexcept; };
  26 inline not_derived::~not_derived() noexcept = default;
  27
  28 struct uninheritable final { };
  29
  30 void test01()
  31 {
  32   bool test = false;
  33
  34   try
  35   {
  36     std::throw_with_nested(derived());
  37   }
  38   catch (const std::nested_exception& e)
  39   {
  40     VERIFY( e.nested_ptr() == 0 );
  41     try
  42     {
  43       throw;
  44     }
  45     catch (const derived&)
  46     {
  47       test = true;
  48     }
  49   }
  50   VERIFY( test );
  51 }
  52
  53 void test02()
  54 {
  55   bool test = false;
  56
  57   try
  58   {
  59     std::throw_with_nested(not_derived());
  60   }
  61   catch (const std::nested_exception& e)
  62   {
  63     VERIFY( e.nested_ptr() == 0 );
  64     try
  65     {
  66       throw;
  67     }
  68     catch (const not_derived&)
  69     {
  70       test = true;
  71     }
  72   }
  73   VERIFY( test );
  74 }
  75
  76 void test03()
  77 {
  78   bool test = false;
  79
  80   try
  81   {
  82     std::throw_with_nested(uninheritable());
  83   }
  84   catch (const std::nested_exception&)
  85   {
  86     VERIFY( false );
  87   }
  88   catch(const uninheritable&)
  89   {
  90     test = true;
  91   }
  92   VERIFY( test );
  93 }
  94
  95 int main()
  96 {
  97   test01();
  98   test02();
  99   test03();
 100   return 0;
 101 }