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
main()22 int 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