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/*
* test/suicide.cpp
* Copyright 2013 Google Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "backward.hpp"
#include "test/test.hpp"
#include <cstdio>
#ifndef _WIN32
#include <sys/resource.h>
#endif
using namespace backward;
void badass_function() {
char *ptr = (char *)42;
*ptr = 42;
}
TEST_SEGFAULT(invalid_write) { badass_function(); }
int you_shall_not_pass() {
char *ptr = (char *)42;
int v = *ptr;
return v;
}
TEST_SEGFAULT(invalid_read) {
int v = you_shall_not_pass();
std::cout << "v=" << v << std::endl;
}
void abort_abort_I_repeat_abort_abort() {
std::cout << "Jumping off the boat!" << std::endl;
abort();
}
TEST_ABORT(calling_abort) { abort_abort_I_repeat_abort_abort(); }
// aarch64 and mips does not trap Division by zero
#if !defined(__aarch64__) || !defined(__mips__)
volatile int zero = 0;
int divide_by_zero() {
std::cout << "And the wild black hole appears..." << std::endl;
int v = 42 / zero;
return v;
}
TEST_DIVZERO(divide_by_zero) {
int v = divide_by_zero();
std::cout << "v=" << v << std::endl;
}
#endif
// Darwin does not allow RLIMIT_STACK to be reduced
#ifndef __APPLE__
int bye_bye_stack(int i) { return bye_bye_stack(i + 1) + bye_bye_stack(i * 2); }
TEST_SEGFAULT(stackoverflow) {
#ifndef _WIN32
struct rlimit limit;
limit.rlim_max = 8096;
setrlimit(RLIMIT_STACK, &limit);
#endif
int r = bye_bye_stack(42);
std::cout << "r=" << r << std::endl;
}
#endif
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