Marshall Clow | 40a097d | 2016-01-28 04:14:56 +0000 | [diff] [blame] | 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 | } |