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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <regex>10 11// class regex_token_iterator<BidirectionalIterator, charT, traits>12 13// bool operator==(const regex_token_iterator& right) const;14// bool operator==(default_sentinel_t) const { return *this == regex_token_iterator(); } // since C++2015// bool operator!=(const regex_token_iterator& right) const; // generated by the compiler in C++2016 17#include <cassert>18#include <iterator>19#include <regex>20 21#include "test_comparisons.h"22#include "test_macros.h"23 24int main(int, char**) {25#if TEST_STD_VER >= 2026  AssertEqualityReturnBool<std::cregex_token_iterator>();27 28  {29    std::cregex_token_iterator i;30    assert(testEquality(i, std::default_sentinel, true));31  }32 33  AssertEqualityReturnBool<std::sregex_token_iterator>();34 35  {36    std::sregex_token_iterator i;37    assert(testEquality(i, std::default_sentinel, true));38  }39#endif40 41  {42    std::regex phone_numbers("\\d{3}-\\d{4}");43    const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";44    std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book) - 1, phone_numbers, -1);45    assert(i != std::cregex_token_iterator());46    assert(!(i == std::cregex_token_iterator()));47    std::cregex_token_iterator i2 = i;48    assert(i2 == i);49    assert(!(i2 != i));50    ++i;51    assert(!(i2 == i));52    assert(i2 != i);53  }54 55  return 0;56}57