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 // <iterator>
10 
11 // istreambuf_iterator
12 
13 // istreambuf_iterator(basic_istream<charT,traits>& s) throw();
14 
15 #include <iterator>
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::istringstream inf;
25         std::istreambuf_iterator<char> i(inf);
26         assert(i == std::istreambuf_iterator<char>());
27     }
28     {
29         std::istringstream inf("a");
30         std::istreambuf_iterator<char> i(inf);
31         assert(i != std::istreambuf_iterator<char>());
32     }
33 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
34     {
35         std::wistringstream inf;
36         std::istreambuf_iterator<wchar_t> i(inf);
37         assert(i == std::istreambuf_iterator<wchar_t>());
38     }
39     {
40         std::wistringstream inf(L"a");
41         std::istreambuf_iterator<wchar_t> i(inf);
42         assert(i != std::istreambuf_iterator<wchar_t>());
43     }
44 #endif
45 
46   return 0;
47 }
48