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//===----------------------------------------------------------------------===//
//
// 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(const istream_iterator& x);
#include <iterator>
#include <sstream>
#include <cassert>
int main()
{
{
std::istream_iterator<int> io;
std::istream_iterator<int> i = io;
assert(i == std::istream_iterator<int>());
}
{
std::istringstream inf(" 1 23");
std::istream_iterator<int> io(inf);
std::istream_iterator<int> i = io;
assert(i != std::istream_iterator<int>());
int j = 0;
j = *i;
assert(j == 1);
}
}
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