//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// REQUIRES: asan
// <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"
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 cpp17_input_iterator<T*> MyInputIter;
std::vector<T, min_allocator<T>> 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));
}
{
typedef char T;
typedef cpp17_input_iterator<T*> MyInputIter;
std::vector<T, unaligned_allocator<T>> v;
v.reserve(1);
char i[] = {'a', 'b'};
v.insert(v.begin(), MyInputIter(i), MyInputIter(i + 2));
assert(v[0] == 'a');
assert(v[1] == 'b');
assert(is_contiguous_container_asan_correct(v));
}
#endif // TEST_STD_VER >= 11
{
typedef cpp17_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);
}
}