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//===----------------------------------------------------------------------===//
//
// 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: c++03
// <vector>
// template <class... Args> iterator emplace(const_iterator pos, Args&&... args);
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
#include "asan_testing.h"
TEST_CONSTEXPR_CXX20 bool tests() {
{
std::vector<int> v;
v.reserve(3);
assert(is_contiguous_container_asan_correct(v));
v = { 1, 2, 3 };
v.emplace(v.begin(), v.back());
assert(v[0] == 3);
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<int> v;
v.reserve(4);
assert(is_contiguous_container_asan_correct(v));
v = { 1, 2, 3 };
v.emplace(v.begin(), v.back());
assert(v[0] == 3);
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<int, min_allocator<int>> v;
v.reserve(3);
assert(is_contiguous_container_asan_correct(v));
v = { 1, 2, 3 };
v.emplace(v.begin(), v.back());
assert(v[0] == 3);
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<int, min_allocator<int>> v;
v.reserve(4);
assert(is_contiguous_container_asan_correct(v));
v = { 1, 2, 3 };
v.emplace(v.begin(), v.back());
assert(v[0] == 3);
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<int, safe_allocator<int>> v;
v.reserve(3);
assert(is_contiguous_container_asan_correct(v));
v = {1, 2, 3};
v.emplace(v.begin(), v.back());
assert(v[0] == 3);
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<int, safe_allocator<int>> v;
v.reserve(4);
assert(is_contiguous_container_asan_correct(v));
v = {1, 2, 3};
v.emplace(v.begin(), v.back());
assert(v[0] == 3);
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<int> v;
v.reserve(8);
std::size_t old_capacity = v.capacity();
assert(old_capacity >= 8);
v.resize(4); // keep the existing capacity
assert(v.capacity() == old_capacity);
v.emplace(v.cend(), 42);
assert(v.size() == 5);
assert(v.capacity() == old_capacity);
assert(v[4] == 42);
}
return true;
}
int main(int, char**) {
tests();
#if TEST_STD_VER > 17
static_assert(tests());
#endif
return 0;
}
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