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 // <ios>
10 
11 // template <class charT, class traits> class basic_ios
12 
13 // basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr);
14 
15 #include <ios>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
main(int,char **)20 int main(int, char**)
21 {
22     std::ios ios(0);
23     std::ostream* os = (std::ostream*)1;
24     std::ostream* r = ios.tie(os);
25     assert(r == 0);
26     assert(ios.tie() == os);
27 
28   return 0;
29 }
30