1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // UNSUPPORTED: c++98, c++03, c++11
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
26 namespace exp = std::experimental;
27
28 template <class Delim, class CharT, class Traits>
test(exp::ostream_joiner<Delim,CharT,Traits> & oj)29 void test ( exp::ostream_joiner<Delim, CharT, Traits> &oj ) {
30 static_assert((noexcept(*oj)), "" );
31 exp::ostream_joiner<Delim, CharT, Traits> &ret = *oj;
32 assert( &ret == &oj );
33 }
34
main()35 int main () {
36
37 { exp::ostream_joiner<char> oj(std::cout, '8'); test(oj); }
38 { exp::ostream_joiner<std::string> oj(std::cout, std::string("9")); test(oj); }
39 { exp::ostream_joiner<std::wstring> oj(std::cout, std::wstring(L"10")); test(oj); }
40 { exp::ostream_joiner<int> oj(std::cout, 11); test(oj); }
41
42 { exp::ostream_joiner<char, wchar_t> oj(std::wcout, '8'); test(oj); }
43 { exp::ostream_joiner<std::string, wchar_t> oj(std::wcout, std::string("9")); test(oj); }
44 { exp::ostream_joiner<std::wstring, wchar_t> oj(std::wcout, std::wstring(L"10")); test(oj); }
45 { exp::ostream_joiner<int, wchar_t> oj(std::wcout, 11); test(oj); }
46 }
47