1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <deque>
10
11// class deque
12
13// bool empty() const noexcept;
14
15#include "asan_testing.h"
16#include <deque>
17#include <cassert>
18
19#include "test_macros.h"
20#include "min_allocator.h"
21
22int main(int, char**) {
23 {
24 typedef std::deque<int> C;
25 C c;
26 ASSERT_NOEXCEPT(c.empty());
27 assert(c.empty());
28 c.push_back(x: C::value_type(1));
29 assert(!c.empty());
30 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
31 c.clear();
32 assert(c.empty());
33 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
34 }
35#if TEST_STD_VER >= 11
36 {
37 typedef std::deque<int, min_allocator<int>> C;
38 C c;
39 ASSERT_NOEXCEPT(c.empty());
40 assert(c.empty());
41 c.push_back(C::value_type(1));
42 assert(!c.empty());
43 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
44 c.clear();
45 assert(c.empty());
46 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
47 }
48#endif
49
50 return 0;
51}
52

source code of libcxx/test/std/containers/sequences/deque/deque.capacity/empty.pass.cpp