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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
// SPDX-FileCopyrightInfo: Copyright © DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
// #define DEBUG_ALLOCATOR_KEEP 1
#define DEBUG_NEW_DELETE 3
#include <dune/common/debugallocator.hh>
#if HAVE_MPROTECT
#include <iostream>
#include <csignal>
#include <cstdlib>
#include <vector>
class A
{
public:
A() { std::cout << "INIT A\n"; }
int x;
void foo() {};
};
void basic_tests ()
{
using Dune::DebugMemory::alloc_man;
size_t s = 256;
double * x = alloc_man.allocate<double>(s);
x[s-1] = 10;
// access out of bounds
#ifdef FAILURE1
x[s+1] = 1;
#endif
// lost allocation, free and double-free
#ifndef FAILURE2
alloc_man.deallocate<double>(x);
#endif
#ifdef FAILURE3
alloc_man.deallocate<double>(x);
#endif
// access after free
#ifdef FAILURE4
x[s-1] = 10;
#endif
}
void allocator_tests()
{
std::vector<double, Dune::DebugAllocator<double> > v;
v.push_back(10);
v.push_back(12);
[[maybe_unused]] int size = v.size();
std::cout << v[0] << "\n";
std::cout << v[1] << "\n";
#ifdef FAILURE5
std::cout << v[v.capacity()] << "\n";
#endif
}
void new_delete_tests()
{
std::cout << "alloc double[3]\n";
double * y = new double[3];
delete[] y;
std::cout << "alloc A[2]\n";
A * z = new A[2];
z->foo();
delete[] z;
z = 0;
std::cout << "alloc (buf) A[3]\n";
char * buf = (char*)malloc(128);
A * z2 = new (buf) A[3];
z2->foo();
free(buf);
z2 = 0;
std::cout << "alloc A[4]\n";
A * z4 = ::new A[4];
z4->foo();
::delete[] z4;
z4 = 0;
}
#endif // HAVE_MPROTECT
int main(int, char**)
{
#if EXPECTED_SIGNAL
std::signal(EXPECTED_SIGNAL, std::_Exit);
#endif
#if EXPECTED_ALT_SIGNAL
std::signal(EXPECTED_ALT_SIGNAL, std::_Exit);
#endif
#if HAVE_MPROTECT
basic_tests();
allocator_tests();
new_delete_tests();
#endif
#ifdef EXPECTED_SIGNAL
return 1;
#else
return 0;
#endif
}
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