| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <iterator> |
| |
| // class istream_iterator |
| |
| // template <class T, class charT, class traits, class Distance> |
| // bool operator==(const istream_iterator<T,charT,traits,Distance> &x, |
| // const istream_iterator<T,charT,traits,Distance> &y); |
| // |
| // template <class T, class charT, class traits, class Distance> |
| // bool operator!=(const istream_iterator<T,charT,traits,Distance> &x, |
| // const istream_iterator<T,charT,traits,Distance> &y); |
| |
| #include <iterator> |
| #include <sstream> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| std::istringstream inf1(" 1 23"); |
| std::istringstream inf2(" 1 23"); |
| std::istream_iterator<int> i1(inf1); |
| std::istream_iterator<int> i2(inf1); |
| std::istream_iterator<int> i3(inf2); |
| std::istream_iterator<int> i4; |
| std::istream_iterator<int> i5; |
| assert(i1 == i1); |
| assert(i1 == i2); |
| assert(i1 != i3); |
| assert(i1 != i4); |
| assert(i1 != i5); |
| |
| assert(i2 == i2); |
| assert(i2 != i3); |
| assert(i2 != i4); |
| assert(i2 != i5); |
| |
| assert(i3 == i3); |
| assert(i3 != i4); |
| assert(i3 != i5); |
| |
| assert(i4 == i4); |
| assert(i4 == i5); |
| |
| assert(std::operator==(i1, i2)); |
| assert(std::operator!=(i1, i3)); |
| |
| return 0; |
| } |