libtests/exit03/stdio.cc

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  * Copyright (c) 2022 Chris Johns (Contemporary Software).  All rights reserved.
0005  * Copyright (c) 2013 embedded brains GmbH & Co. KG
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  *
0016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0026  * POSSIBILITY OF SUCH DAMAGE.
0027  */
0028
0029 #ifdef HAVE_CONFIG_H
0030 #include "config.h"
0031 #endif
0032
0033 #include <exception>
0034 #include <iostream>
0035
0036 extern "C" {
0037 void cplusplus_stdio(void);
0038 }
0039
0040 static void throw_something() {
0041   throw std::runtime_error("something");
0042 }
0043
0044 static void throw_and_catch() {
0045   try {
0046     throw_something();
0047     std::cout << "nothing caught exception" << std::endl;
0048   } catch (std::runtime_error& e) {
0049     std::cout << "caught exception" << std::endl;
0050   }
0051 }
0052
0053 void cplusplus_stdio(void) {
0054   std::set_terminate([](){
0055     std::cout << "FATAL: terminate called" << std::endl;
0056     std::abort();
0057   });
0058   throw_and_catch();
0059   std::cout << "IO on std::cout" << std::endl;
0060   std::cerr << "IO on std::cerr" << std::endl;
0061 }