istream.pass.cpp revision a90c6dd46005b2b14de3bb889a8d03bb34bd3256 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <iterator>
11
12// class istream_iterator
13
14// istream_iterator(istream_type& s);
15
16#include <iterator>
17#include <sstream>
18#include <cassert>
19
20int main()
21{
22    std::istringstream inf(" 1 23");
23    std::istream_iterator<int> i(inf);
24    assert(i != std::istream_iterator<int>());
25    assert(inf.peek() == ' ');
26    assert(inf.good());
27    int j = 0;
28    inf >> j;
29    assert(j == 23);
30}
31