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

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-atomic-builtins "" }
   3
   4 // Copyright (C) 2009-2013 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 base { virtual ~base() noexcept; };
  27 inline base::~base() noexcept = default;
  28
  29 struct derived2 : base, std::nested_exception { };
  30
  31 void test01()
  32 {
  33   bool test __attribute__((unused)) = false;
  34
  35   try
  36   {
  37     throw 42;
  38   }
  39   catch (...)
  40   {
  41     derived d;
  42     try
  43     {
  44       std::rethrow_if_nested(d);
  45     }
  46     catch (const int& i)
  47     {
  48       test = true;
  49       VERIFY( i == 42 );
  50     }
  51   }
  52
  53   VERIFY( test );
  54 }
  55
  56 void test02()
  57 {
  58   bool test __attribute__((unused)) = false;
  59
  60   try
  61   {
  62     throw base();
  63   }
  64   catch (const base& b)
  65   {
  66     std::rethrow_if_nested(b);
  67     test = true;
  68   }
  69
  70   VERIFY( test );
  71 }
  72
  73 void test03()
  74 {
  75   bool test __attribute__((unused)) = false;
  76
  77   try
  78   {
  79     throw 42;
  80   }
  81   catch (...)
  82   {
  83     try
  84     {
  85       throw derived2();
  86     }
  87     catch (const base& b)
  88     {
  89       try
  90       {
  91         std::rethrow_if_nested(b);
  92       }
  93       catch (const int& i)
  94       {
  95         VERIFY( i == 42 );
  96         test = true;
  97       }
  98     }
  99   }
 100
 101   VERIFY( test );
 102 }
 103
 104
 105 int main()
 106 {
 107   test01();
 108   test02();
 109   test03();
 110   return 0;
 111 }