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 // <sstream>
11 
12 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
13 // class basic_stringstream
14 
15 // explicit basic_stringstream(const basic_string<charT,traits,Allocator>& str,
16 //                             ios_base::openmode which = ios_base::out|ios_base::in);
17 
18 #include <sstream>
19 #include <cassert>
20 
main()21 int main()
22 {
23     {
24         std::stringstream ss(" 123 456 ");
25         assert(ss.rdbuf() != 0);
26         assert(ss.good());
27         assert(ss.str() == " 123 456 ");
28         int i = 0;
29         ss >> i;
30         assert(i == 123);
31         ss >> i;
32         assert(i == 456);
33         ss << i << ' ' << 123;
34         assert(ss.str() == "456 1236 ");
35     }
36     {
37         std::wstringstream ss(L" 123 456 ");
38         assert(ss.rdbuf() != 0);
39         assert(ss.good());
40         assert(ss.str() == L" 123 456 ");
41         int i = 0;
42         ss >> i;
43         assert(i == 123);
44         ss >> i;
45         assert(i == 456);
46         ss << i << ' ' << 123;
47         assert(ss.str() == L"456 1236 ");
48     }
49 }
50