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

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-require-atomic-builtins "" }
   3
   4 // Copyright (C) 2009-2016 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 <exception>
  22 #include <testsuite_hooks.h>
  23
  24 struct derived : std::nested_exception { };
  25
  26 struct not_derived { virtual ~not_derived() noexcept; };
  27 inline not_derived::~not_derived() noexcept = default;
  28
  29 struct uninheritable final { };
  30
  31 void test01()
  32 {
  33   bool test __attribute__((unused)) = false;
  34
  35   try
  36   {
  37     std::throw_with_nested(derived());
  38   }
  39   catch (const std::nested_exception& e)
  40   {
  41     VERIFY( e.nested_ptr() == 0 );
  42     try
  43     {
  44       throw;
  45     }
  46     catch (const derived&)
  47     {
  48       test = true;
  49     }
  50   }
  51   VERIFY( test );
  52 }
  53
  54 void test02()
  55 {
  56   bool test __attribute__((unused)) = false;
  57
  58   try
  59   {
  60     std::throw_with_nested(not_derived());
  61   }
  62   catch (const std::nested_exception& e)
  63   {
  64     VERIFY( e.nested_ptr() == 0 );
  65     try
  66     {
  67       throw;
  68     }
  69     catch (const not_derived&)
  70     {
  71       test = true;
  72     }
  73   }
  74   VERIFY( test );
  75 }
  76
  77 void test03()
  78 {
  79   bool test __attribute__((unused)) = false;
  80
  81   try
  82   {
  83     std::throw_with_nested(uninheritable());
  84   }
  85   catch (const std::nested_exception&)
  86   {
  87     VERIFY( false );
  88   }
  89   catch(const uninheritable&)
  90   {
  91     test = true;
  92   }
  93   VERIFY( test );
  94 }
  95
  96 int main()
  97 {
  98   test01();
  99   test02();
 100   test03();
 101   return 0;
 102 }