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// UNSUPPORTED: c++03
10
11// <iterator>
12
13// front_insert_iterator
14
15// front_insert_iterator<Cont>&
16// operator=(Cont::value_type&& value);
17
18#include <cassert>
19#include <iterator>
20#include <list>
21#include <memory>
22
23#include "test_macros.h"
24#include "test_constexpr_container.h"
25
26template <class C>
27TEST_CONSTEXPR_CXX20 bool
28test(C c)
29{
30 std::front_insert_iterator<C> i(c);
31 i = typename C::value_type();
32 assert(c.front() == typename C::value_type());
33 return true;
34}
35
36int main(int, char**)
37{
38 test(std::list<std::unique_ptr<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/front.insert.iter.ops/front.insert.iter.op=/rv_value.pass.cpp