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//===----------------------------------------------------------------------===//
//
// 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++98, c++03, c++11
// <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;
}
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