| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <regex> |
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| 10 | |
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| 11 | // template <class BidirectionalIterator, class Allocator, class charT, class traits> |
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| 12 | // bool |
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| 13 | // regex_search(BidirectionalIterator first, BidirectionalIterator last, |
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| 14 | // match_results<BidirectionalIterator, Allocator>& m, |
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| 15 | // const basic_regex<charT, traits>& e, |
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| 16 | // regex_constants::match_flag_type flags = regex_constants::match_default); |
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| 17 | |
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| 18 | #include <regex> |
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| 19 | #include <cassert> |
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| 20 | #include "test_macros.h" |
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| 21 | |
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| 22 | int main(int, char**) |
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| 23 | { |
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| 24 | // Iterating over /^a/ should yield one instance at the beginning |
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| 25 | // of the text. |
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| 26 | |
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| 27 | const char *text = "aaa\naa" ; |
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| 28 | std::regex re("^a" ); |
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| 29 | std::cregex_iterator it(text, text+6, re); |
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| 30 | std::cregex_iterator end = std::cregex_iterator(); |
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| 31 | |
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| 32 | assert(it->str() == "a" ); |
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| 33 | assert(it->position(0) == 0); |
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| 34 | assert(it->length(0) == 1); |
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| 35 | |
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| 36 | ++it; |
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| 37 | assert(it == end); |
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| 38 | |
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| 39 | return 0; |
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| 40 | } |
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| 41 | |
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