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 // template <class _CharT, class _Traits, class _Delim> 18 // ostream_joiner<typename decay<_Delim>::type, _CharT, _Traits> 19 // make_ostream_joiner(basic_ostream<_CharT, _Traits>& __os, _Delim && __d); 20 // 21 22 #include <experimental/iterator> 23 #include <iostream> 24 #include <sstream> 25 #include <cassert> 26 27 #include "test_macros.h" 28 #include "test_iterators.h" 29 30 namespace exp = std::experimental; 31 32 template <class Delim, class Iter, class CharT = char, class Traits = std::char_traits<CharT>> 33 void test (Delim &&d, Iter first, Iter last, const CharT *expected ) { 34 std::basic_stringstream<CharT, Traits> sstream; 35 auto joiner = exp::make_ostream_joiner(sstream, d); 36 typedef exp::ostream_joiner<typename std::decay<Delim>::type, CharT, Traits> Joiner; 37 static_assert((std::is_same<decltype(joiner), Joiner>::value), "" ); 38 while (first != last) 39 joiner = *first++; 40 assert(sstream.str() == expected); 41 } 42 43 int main () { 44 const char chars[] = "0123456789"; 45 const int ints [] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 }; 46 47 // There are more of these tests in another file. 48 // This is just to make sure that the ostream_joiner is created correctly 49 test('X', chars, chars+10, "0X1X2X3X4X5X6X7X8X9"); 50 test('x', ints, ints+10, "10x11x12x13x14x15x16x17x18x19"); 51 test("Z", chars, chars+10, "0Z1Z2Z3Z4Z5Z6Z7Z8Z9"); 52 test("z", ints, ints+10, "10z11z12z13z14z15z16z17z18z19"); 53 } 54
