/deps/libcxx/test/re/re.iter/re.tokiter/re.tokiter.incr/post.pass.cpp
C++ | 135 lines | 119 code | 5 blank | 11 comment | 68 complexity | a9bf74cfb842ea78d9f297eb67f0a0db MD5 | raw file
Possible License(s): Apache-2.0, JSON, BSD-3-Clause, LGPL-2.1
- //===----------------------------------------------------------------------===//
- //
- // The LLVM Compiler Infrastructure
- //
- // This file is dual licensed under the MIT and the University of Illinois Open
- // Source Licenses. See LICENSE.TXT for details.
- //
- //===----------------------------------------------------------------------===//
- // <regex>
- // class regex_token_iterator<BidirectionalIterator, charT, traits>
- // regex_token_iterator& operator++(int);
- #include <regex>
- #include <cassert>
- 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());
- }
- }