str.pass.cpp
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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 match_results<BidirectionalIterator, Allocator>
// string_type str(size_type sub = 0) const;
#include <regex>
#include <cassert>
#include "test_macros.h"
void
test()
{
std::match_results<const char*> m;
const char s[] = "abcdefghijk";
assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
assert(m.str() == std::string(m[0]));
assert(m.str(0) == std::string(m[0]));
assert(m.str(1) == std::string(m[1]));
assert(m.str(2) == std::string(m[2]));
assert(m.str(3) == std::string(m[3]));
assert(m.str(4) == std::string(m[4]));
}
int main(int, char**)
{
test();
return 0;
}