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// { dg-options "-std=gnu++0x" }

// { dg-require-atomic-builtins "" }

// 2008-05-25  Sebastian Redl  <sebastian.redl@getdesigned.at>

// Copyright (C) 2008, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// rethrow_exception() and preservation of data

#include <exception>

#include <typeinfo>

#include <cstring>

#include <stdexcept>

#include <testsuite_hooks.h>

void test01()

{

  bool test __attribute__((unused)) = true;

  using namespace std;

  try {

    rethrow_exception(copy_exception(0));

  } catch(...) {

  }

}

void test02()

{

  bool test __attribute__((unused)) = true;

  using namespace std;

  try {

    rethrow_exception(copy_exception(runtime_error("test")));

  } catch(exception &e) {

    VERIFY( typeid(e) == typeid(runtime_error) );

    VERIFY( strcmp(e.what(), "test") == 0 );

  }

}

void test03()

{

  bool test __attribute__((unused)) = true;

  using namespace std;

  exception_ptr ep;

  try {

    throw 0;

  } catch(...) {

    ep = current_exception();

  }

  try {

    rethrow_exception(ep);

  } catch(...) {

  }

}

void test04()

{

  bool test __attribute__((unused)) = true;

  using namespace std;

  // Weave the exceptions in an attempt to confuse the machinery.

  try {

    throw 0;

  } catch(...) {

    exception_ptr ep1 = current_exception();

    try {

      throw 1;

    } catch(...) {

      exception_ptr ep2 = current_exception();

      try {

        rethrow_exception(ep1);

      } catch(...) {

        try {

          rethrow_exception(ep2);

        } catch(...) {

          try {

            rethrow_exception(ep1);

          } catch(...) {

          }

          try {

            rethrow_exception(ep2);

          } catch(...) {

          }

        }

      }

    }

  }

}

int main()

{

  test01();

  test02();

  test03();

  test04();

  return 0;

}