nonmember_swap.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_stringbuf
14
15// template <class charT, class traits, class Allocator>
16//   void swap(basic_stringbuf<charT, traits, Allocator>& x,
17//             basic_stringbuf<charT, traits, Allocator>& y);
18
19#include <sstream>
20#include <cassert>
21
22int main()
23{
24    {
25        std::stringbuf buf1("testing");
26        std::stringbuf buf;
27        swap(buf, buf1);
28        assert(buf.str() == "testing");
29        assert(buf1.str() == "");
30    }
31    {
32        std::stringbuf buf1("testing", std::ios_base::in);
33        std::stringbuf buf;
34        swap(buf, buf1);
35        assert(buf.str() == "testing");
36        assert(buf1.str() == "");
37    }
38    {
39        std::stringbuf buf1("testing", std::ios_base::out);
40        std::stringbuf buf;
41        swap(buf, buf1);
42        assert(buf.str() == "testing");
43        assert(buf1.str() == "");
44    }
45    {
46        std::wstringbuf buf1(L"testing");
47        std::wstringbuf buf;
48        swap(buf, buf1);
49        assert(buf.str() == L"testing");
50        assert(buf1.str() == L"");
51    }
52    {
53        std::wstringbuf buf1(L"testing", std::ios_base::in);
54        std::wstringbuf buf;
55        swap(buf, buf1);
56        assert(buf.str() == L"testing");
57        assert(buf1.str() == L"");
58    }
59    {
60        std::wstringbuf buf1(L"testing", std::ios_base::out);
61        std::wstringbuf buf;
62        swap(buf, buf1);
63        assert(buf.str() == L"testing");
64        assert(buf1.str() == L"");
65    }
66}
67