string.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
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_ostringstream
14
15// explicit basic_ostringstream(const basic_string<charT,traits,allocator>& str,
16//                              ios_base::openmode which = ios_base::in);
17
18#include <sstream>
19#include <cassert>
20
21int main()
22{
23    {
24        std::ostringstream ss(" 123 456");
25        assert(ss.rdbuf() != 0);
26        assert(ss.good());
27        assert(ss.str() == " 123 456");
28        int i = 234;
29        ss << i << ' ' << 567;;
30        assert(ss.str() == "234 5676");
31    }
32    {
33        std::ostringstream ss(" 123 456", std::ios_base::in);
34        assert(ss.rdbuf() != 0);
35        assert(ss.good());
36        assert(ss.str() == " 123 456");
37        int i = 234;
38        ss << i << ' ' << 567;;
39        assert(ss.str() == "234 5676");
40    }
41    {
42        std::wostringstream ss(L" 123 456");
43        assert(ss.rdbuf() != 0);
44        assert(ss.good());
45        assert(ss.str() == L" 123 456");
46        int i = 234;
47        ss << i << ' ' << 567;;
48        assert(ss.str() == L"234 5676");
49    }
50    {
51        std::wostringstream ss(L" 123 456", std::ios_base::in);
52        assert(ss.rdbuf() != 0);
53        assert(ss.good());
54        assert(ss.str() == L" 123 456");
55        int i = 234;
56        ss << i << ' ' << 567;;
57        assert(ss.str() == L"234 5676");
58    }
59}
60