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libcxx_old/test/libcxx/containers/sequences/vector/asan.pass.cpp

73 lines
2.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5
// <vector>
// reference operator[](size_type n);
#include <vector>
#include <cassert>
#include <cstdlib>
#include "asan_testing.h"
#include "min_allocator.h"
#include "test_iterators.h"
#include "test_macros.h"
#ifndef _LIBCPP_HAS_NO_ASAN
extern "C" void __sanitizer_set_death_callback(void (*callback)(void));
void do_exit() {
exit(0);
}
int main(int, char**)
{
#if TEST_STD_VER >= 11
{
typedef int T;
typedef std::vector<T, min_allocator<T>> C;
const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
C c(std::begin(t), std::end(t));
c.reserve(2*c.size());
volatile T foo = c[c.size()]; // bad, but not caught by ASAN
((void)foo);
}
#endif
{
typedef input_iterator<int*> MyInputIter;
// Sould not trigger ASan.
std::vector<int> v;
v.reserve(1);
int i[] = {42};
v.insert(v.begin(), MyInputIter(i), MyInputIter(i + 1));
assert(v[0] == 42);
assert(is_contiguous_container_asan_correct(v));
}
__sanitizer_set_death_callback(do_exit);
{
typedef int T;
typedef std::vector<T> C;
const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
C c(std::begin(t), std::end(t));
c.reserve(2*c.size());
assert(is_contiguous_container_asan_correct(c));
assert(!__sanitizer_verify_contiguous_container( c.data(), c.data() + 1, c.data() + c.capacity()));
volatile T foo = c[c.size()]; // should trigger ASAN. Use volatile to prevent being optimized away.
assert(false); // if we got here, ASAN didn't trigger
((void)foo);
}
}
#else
int main(int, char**) { return 0; }
#endif