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libcxx/test/std/re/re.results/re.results.acc/str.pass.cpp

38 lines
975 B
C++

//===----------------------------------------------------------------------===//
//
// 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 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()
{
test();
}