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// <vector>
10
11// void clear() noexcept;
12
13#include <vector>
14#include <cassert>
15
16#include "test_macros.h"
17#include "min_allocator.h"
18#include "asan_testing.h"
19
20TEST_CONSTEXPR_CXX20 bool tests()
21{
22 {
23 int a[] = {1, 2, 3};
24 std::vector<int> c(a, a+3);
25 ASSERT_NOEXCEPT(c.clear());
26 c.clear();
27 assert(c.empty());
28 LIBCPP_ASSERT(c.__invariants());
29 LIBCPP_ASSERT(is_contiguous_container_asan_correct(c));
30 }
31#if TEST_STD_VER >= 11
32 {
33 int a[] = {1, 2, 3};
34 std::vector<int, min_allocator<int>> c(a, a+3);
35 ASSERT_NOEXCEPT(c.clear());
36 c.clear();
37 assert(c.empty());
38 LIBCPP_ASSERT(c.__invariants());
39 LIBCPP_ASSERT(is_contiguous_container_asan_correct(c));
40 }
41 {
42 int a[] = {1, 2, 3};
43 std::vector<int, safe_allocator<int>> c(a, a + 3);
44 ASSERT_NOEXCEPT(c.clear());
45 c.clear();
46 assert(c.empty());
47 LIBCPP_ASSERT(c.__invariants());
48 LIBCPP_ASSERT(is_contiguous_container_asan_correct(c));
49 }
50#endif
51
52 return true;
53}
54
55int main(int, char**)
56{
57 tests();
58#if TEST_STD_VER > 17
59 static_assert(tests());
60#endif
61 return 0;
62}
63

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