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 // istreambuf_iterator
13 
14 // proxy istreambuf_iterator<charT,traits>::operator++(int);
15 
16 #include <iterator>
17 #include <sstream>
18 #include <cassert>
19 
20 int main()
21 {
22     {
23         std::istringstream inf("abc");
24         std::istreambuf_iterator<char> i(inf);
25         assert(*i++ == 'a');
26         assert(*i++ == 'b');
27         assert(*i++ == 'c');
28         assert(i == std::istreambuf_iterator<char>());
29     }
30     {
31         std::wistringstream inf(L"abc");
32         std::istreambuf_iterator<wchar_t> i(inf);
33         assert(*i++ == L'a');
34         assert(*i++ == L'b');
35         assert(*i++ == L'c');
36         assert(i == std::istreambuf_iterator<wchar_t>());
37     }
38 }
39