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, c++11
10// UNSUPPORTED: no-localization
11
12// <experimental/iterator>
13//
14// template <class _Delim, class _CharT = char, class _Traits = char_traits<_CharT>>
15// class ostream_joiner;
16//
17// ostream_joiner & operator++() noexcept
18// returns *this;
19
20#include <experimental/iterator>
21#include <iostream>
22#include <cassert>
23
24#include "test_macros.h"
25
26namespace exper = std::experimental;
27
28template <class Delim, class CharT, class Traits>
29void test ( exper::ostream_joiner<Delim, CharT, Traits> &oj ) {
30 static_assert((noexcept(++oj)), "" );
31 exper::ostream_joiner<Delim, CharT, Traits> &ret = ++oj;
32 assert( &ret == &oj );
33 }
34
35int main(int, char**) {
36
37 { exper::ostream_joiner<char> oj(std::cout, '8'); test(oj); }
38 { exper::ostream_joiner<std::string> oj(std::cout, std::string("9")); test(oj); }
39#ifndef TEST_HAS_NO_WIDE_CHARACTERS
40 { exper::ostream_joiner<std::wstring> oj(std::cout, std::wstring(L"10")); test(oj); }
41#endif
42 { exper::ostream_joiner<int> oj(std::cout, 11); test(oj); }
43
44#ifndef TEST_HAS_NO_WIDE_CHARACTERS
45 { exper::ostream_joiner<char, wchar_t> oj(std::wcout, '8'); test(oj); }
46 { exper::ostream_joiner<std::string, wchar_t> oj(std::wcout, std::string("9")); test(oj); }
47 { exper::ostream_joiner<std::wstring, wchar_t> oj(std::wcout, std::wstring(L"10")); test(oj); }
48 { exper::ostream_joiner<int, wchar_t> oj(std::wcout, 11); test(oj); }
49#endif
50
51 return 0;
52}
53

source code of libcxx/test/std/experimental/iterator/ostream.joiner/ostream.joiner.ops/ostream_joiner.op.pretincrement.pass.cpp