test/iterators/stream.iterators/istream.iterator/istream.iterator.cons/istream.pass.cpp


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//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <iterator>

// class istream_iterator

// istream_iterator(istream_type& s);

#include <iterator>
#include <sstream>
#include <cassert>

int main()
{
    std::istringstream inf(" 1 23");
    std::istream_iterator<int> i(inf);
    assert(i != std::istream_iterator<int>());
    assert(inf.peek() == ' ');
    assert(inf.good());
    int j = 0;
    inf >> j;
    assert(j == 23);
}