1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <sstream>
10 
11 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
12 // class basic_stringstream
13 
14 // void str(const basic_string<charT,traits,Allocator>& str);
15 
16 #include <sstream>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
main(int,char **)21 int main(int, char**)
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         ss.str("5466 89 ");
36         ss >> i;
37         assert(i == 5466);
38         ss >> i;
39         assert(i == 89);
40         ss << i << ' ' << 321;
41         assert(ss.str() == "89 3219 ");
42     }
43 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
44     {
45         std::wstringstream ss(L" 123 456 ");
46         assert(ss.rdbuf() != 0);
47         assert(ss.good());
48         assert(ss.str() == L" 123 456 ");
49         int i = 0;
50         ss >> i;
51         assert(i == 123);
52         ss >> i;
53         assert(i == 456);
54         ss << i << ' ' << 123;
55         assert(ss.str() == L"456 1236 ");
56         ss.str(L"5466 89 ");
57         ss >> i;
58         assert(i == 5466);
59         ss >> i;
60         assert(i == 89);
61         ss << i << ' ' << 321;
62         assert(ss.str() == L"89 3219 ");
63     }
64 #endif
65     {
66         std::stringstream ss;
67         ss.write("\xd1", 1);
68         assert(ss.str().length() == 1);
69     }
70 
71   return 0;
72 }
73