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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
//
//===----------------------------------------------------------------------===//
// <regex>
// class regex_token_iterator<BidirectionalIterator, charT, traits>
// regex_token_iterator& operator++(int);
#include <regex>
#include <cassert>
#include "test_macros.h"
int main()
{
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
phone_numbers, -1);
std::cregex_token_iterator i2 = i;
std::cregex_token_iterator i3;
assert(i != std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i->str() == "start ");
assert(i2->str() == "start ");
i3 = i++;
assert(i != std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i3 != std::cregex_token_iterator());
assert(i->str() == ", ");
assert(i2->str() == "start ");
assert(i3->str() == "start ");
i3 = i++;
assert(i != std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i3 != std::cregex_token_iterator());
assert(i->str() == ", ");
assert(i2->str() == "start ");
assert(i3->str() == ", ");
i3 = i++;
assert(i != std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i3 != std::cregex_token_iterator());
assert(i->str() == " end");
assert(i2->str() == "start ");
assert(i3->str() == ", ");
i3 = i++;
assert(i == std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i3 != std::cregex_token_iterator());
assert(i2->str() == "start ");
assert(i3->str() == " end");
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
phone_numbers, -1);
std::cregex_token_iterator i2 = i;
std::cregex_token_iterator i3;
assert(i != std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i->str() == "start ");
assert(i2->str() == "start ");
i3 = i;
++i;
assert(i != std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i3 != std::cregex_token_iterator());
assert(i->str() == ", ");
assert(i2->str() == "start ");
assert(i3->str() == "start ");
i3 = i;
++i;
assert(i != std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i3 != std::cregex_token_iterator());
assert(i->str() == ", ");
assert(i2->str() == "start ");
assert(i3->str() == ", ");
i3 = i;
++i;
assert(i != std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i3 != std::cregex_token_iterator());
assert(i->str() == " end");
assert(i2->str() == "start ");
assert(i3->str() == ", ");
i3 = i;
++i;
assert(i == std::cregex_token_iterator());
assert(i2 != std::cregex_token_iterator());
assert(i3 != std::cregex_token_iterator());
assert(i2->str() == "start ");
assert(i3->str() == " end");
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
phone_numbers);
assert(i != std::cregex_token_iterator());
assert(i->str() == "555-1234");
i++;
assert(i != std::cregex_token_iterator());
assert(i->str() == "555-2345");
i++;
assert(i != std::cregex_token_iterator());
assert(i->str() == "555-3456");
i++;
assert(i == std::cregex_token_iterator());
}
{
std::regex phone_numbers("\\d{3}-(\\d{4})");
const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
phone_numbers, 1);
assert(i != std::cregex_token_iterator());
assert(i->str() == "1234");
i++;
assert(i != std::cregex_token_iterator());
assert(i->str() == "2345");
i++;
assert(i != std::cregex_token_iterator());
assert(i->str() == "3456");
i++;
assert(i == std::cregex_token_iterator());
}
}
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