| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11 |
| // UNSUPPORTED: no-localization |
| |
| // <experimental/iterator> |
| // |
| // template <class _Delim, class _CharT = char, class _Traits = char_traits<_CharT>> |
| // class ostream_joiner; |
| // |
| // template <class _CharT, class _Traits, class _Delim> |
| // ostream_joiner<typename decay<_Delim>::type, _CharT, _Traits> |
| // make_ostream_joiner(basic_ostream<_CharT, _Traits>& __os, _Delim && __d); |
| // |
| |
| #include <experimental/iterator> |
| #include <iostream> |
| #include <sstream> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "test_iterators.h" |
| |
| namespace exper = std::experimental; |
| |
| template <class Delim, class Iter, class CharT = char, class Traits = std::char_traits<CharT>> |
| void test (Delim &&d, Iter first, Iter last, const CharT *expected ) { |
| std::basic_stringstream<CharT, Traits> sstream; |
| auto joiner = exper::make_ostream_joiner(sstream, d); |
| typedef exper::ostream_joiner<typename std::decay<Delim>::type, CharT, Traits> Joiner; |
| static_assert((std::is_same<decltype(joiner), Joiner>::value), "" ); |
| while (first != last) |
| joiner = *first++; |
| assert(sstream.str() == expected); |
| } |
| |
| int main(int, char**) { |
| const char chars[] = "0123456789"; |
| const int ints [] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 }; |
| |
| // There are more of these tests in another file. |
| // This is just to make sure that the ostream_joiner is created correctly |
| test('X', chars, chars+10, "0X1X2X3X4X5X6X7X8X9"); |
| test('x', ints, ints+10, "10x11x12x13x14x15x16x17x18x19"); |
| test("Z", chars, chars+10, "0Z1Z2Z3Z4Z5Z6Z7Z8Z9"); |
| test("z", ints, ints+10, "10z11z12z13z14z15z16z17z18z19"); |
| |
| return 0; |
| } |