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// <iterator>
10
11// insert_iterator
12
13// insert_iterator<Cont> operator++(int);
14
15#include <cassert>
16#include <iterator>
17#include <vector>
18
19#include "test_macros.h"
20#include "nasty_containers.h"
21#include "test_constexpr_container.h"
22
23template <class C>
24TEST_CONSTEXPR_CXX20 bool
25test(C c)
26{
27 std::insert_iterator<C> i(c, c.end());
28 std::insert_iterator<C> r = i++;
29 r = 0;
30 assert(c.size() == 1);
31 assert(c.back() == 0);
32 return true;
33}
34
35int main(int, char**)
36{
37 test(std::vector<int>());
38 test(nasty_vector<int>());
39#if TEST_STD_VER >= 20
40 test(ConstexprFixedCapacityDeque<int, 10>());
41 static_assert(test(ConstexprFixedCapacityDeque<int, 10>()));
42#endif
43 return 0;
44}
45

source code of libcxx/test/std/iterators/predef.iterators/insert.iterators/insert.iter.ops/insert.iter.op++/post.pass.cpp