forked from OSchip/llvm-project
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <regex>
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// template <class charT, class traits = regex_traits<charT>> class basic_regex;
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// basic_regex& assign(const basic_regex& that);
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#include <regex>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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std::regex r1("(a([bc]))");
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std::regex r2;
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r2.assign(r1);
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assert(r2.flags() == std::regex::ECMAScript);
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assert(r2.mark_count() == 2);
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assert(std::regex_search("ab", r2));
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#ifndef TEST_HAS_NO_EXCEPTIONS
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bool caught = false;
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try { r2.assign("(def", std::regex::extended); }
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catch(std::regex_error &) { caught = true; }
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assert(caught);
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assert(r2.flags() == std::regex::ECMAScript);
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assert(r2.mark_count() == 2);
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assert(std::regex_search("ab", r2));
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#endif
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return 0;
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}
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