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// void clear() noexcept;
12
13#include "asan_testing.h"
14#include <deque>
15#include <cassert>
16
17#include "test_macros.h"
18#include "../../../NotConstructible.h"
19#include "min_allocator.h"
20
21int main(int, char**)
22{
23 {
24 typedef NotConstructible T;
25 typedef std::deque<T> C;
26 C c;
27 ASSERT_NOEXCEPT(c.clear());
28 c.clear();
29 assert(std::distance(c.begin(), c.end()) == 0);
30 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
31 }
32 {
33 typedef int T;
34 typedef std::deque<T> C;
35 const T t[] = {0, 1, 2, 3, 4};
36 C c(std::begin(t), std::end(t));
37
38 ASSERT_NOEXCEPT(c.clear());
39 c.clear();
40 assert(std::distance(c.begin(), c.end()) == 0);
41 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
42
43 c.clear();
44 assert(std::distance(c.begin(), c.end()) == 0);
45 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
46 }
47#if TEST_STD_VER >= 11
48 {
49 typedef NotConstructible T;
50 typedef std::deque<T, min_allocator<T>> C;
51 C c;
52 ASSERT_NOEXCEPT(c.clear());
53 c.clear();
54 assert(std::distance(c.begin(), c.end()) == 0);
55 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
56 }
57 {
58 typedef int T;
59 typedef std::deque<T, min_allocator<T>> C;
60 const T t[] = {0, 1, 2, 3, 4};
61 C c(std::begin(t), std::end(t));
62
63 ASSERT_NOEXCEPT(c.clear());
64 c.clear();
65 assert(std::distance(c.begin(), c.end()) == 0);
66 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
67
68 c.clear();
69 assert(std::distance(c.begin(), c.end()) == 0);
70 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
71 }
72#endif
73
74 return 0;
75}
76

source code of libcxx/test/std/containers/sequences/deque/deque.modifiers/clear.pass.cpp