cxx/test/re/re.results/re.results.acc/begin_end.pass.cpp
Howard Hinnant 27405f91a8 Everything under [re.results]
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111074 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-14 18:14:02 +00:00

39 lines
932 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// class match_results<BidirectionalIterator, Allocator>
// const_iterator begin() const;
// const_iterator end() const;
#include <regex>
#include <cassert>
void
test()
{
std::match_results<const char*> m;
const char s[] = "abcdefghijk";
assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
std::match_results<const char*>::const_iterator i = m.begin();
std::match_results<const char*>::const_iterator e = m.end();
assert(e - i == m.size() - 1);
for (int j = 1; i != e; ++i, ++j)
assert(*i == m[j]);
}
int main()
{
test();
}