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// <list>
10
11// iterator erase(const_iterator position);
12
13#include <list>
14#include <cassert>
15
16#include "test_macros.h"
17#include "min_allocator.h"
18
19int main(int, char**) {
20 {
21 int a1[] = {1, 2, 3};
22 std::list<int> l1(a1, a1 + 3);
23 std::list<int>::const_iterator i = l1.begin();
24 ++i;
25 std::list<int>::iterator j = l1.erase(position: i);
26 assert(l1.size() == 2);
27 assert(std::distance(l1.begin(), l1.end()) == 2);
28 assert(*j == 3);
29 assert(*l1.begin() == 1);
30 assert(*std::next(l1.begin()) == 3);
31 j = l1.erase(position: j);
32 assert(j == l1.end());
33 assert(l1.size() == 1);
34 assert(std::distance(l1.begin(), l1.end()) == 1);
35 assert(*l1.begin() == 1);
36 j = l1.erase(position: l1.begin());
37 assert(j == l1.end());
38 assert(l1.size() == 0);
39 assert(std::distance(l1.begin(), l1.end()) == 0);
40 }
41#if TEST_STD_VER >= 11
42 {
43 int a1[] = {1, 2, 3};
44 std::list<int, min_allocator<int>> l1(a1, a1 + 3);
45 std::list<int, min_allocator<int>>::const_iterator i = l1.begin();
46 ++i;
47 std::list<int, min_allocator<int>>::iterator j = l1.erase(i);
48 assert(l1.size() == 2);
49 assert(std::distance(l1.begin(), l1.end()) == 2);
50 assert(*j == 3);
51 assert(*l1.begin() == 1);
52 assert(*std::next(l1.begin()) == 3);
53 j = l1.erase(j);
54 assert(j == l1.end());
55 assert(l1.size() == 1);
56 assert(std::distance(l1.begin(), l1.end()) == 1);
57 assert(*l1.begin() == 1);
58 j = l1.erase(l1.begin());
59 assert(j == l1.end());
60 assert(l1.size() == 0);
61 assert(std::distance(l1.begin(), l1.end()) == 0);
62 }
63#endif
64
65 return 0;
66}
67

source code of libcxx/test/std/containers/sequences/list/list.modifiers/erase_iter.pass.cpp