minix/external/bsd/libc++/dist/libcxx/test/iterators/stream.iterators/istream.iterator/istream.iterator.ops/pre_increment.pass.cpp
Lionel Sambuc 4684ddb6aa LLVM Minix changes
- import libcxx
 - reduce targets to the one when compiled as a tools

Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
2014-07-28 17:05:59 +02:00

29 lines
702 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.
//
//===----------------------------------------------------------------------===//
// <iterator>
// class istream_iterator
// istream_iterator& operator++();
#include <iterator>
#include <sstream>
#include <cassert>
int main()
{
std::istringstream inf(" 1 23");
std::istream_iterator<int> i(inf);
std::istream_iterator<int>& iref = ++i;
assert(&iref == &i);
int j = 0;
j = *i;
assert(j == 23);
}