15a83710eSEric Fiselier //===----------------------------------------------------------------------===//
25a83710eSEric Fiselier //
357b08b09SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
457b08b09SChandler Carruth // See https://llvm.org/LICENSE.txt for license information.
557b08b09SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
65a83710eSEric Fiselier //
75a83710eSEric Fiselier //===----------------------------------------------------------------------===//
85a83710eSEric Fiselier 
95a83710eSEric Fiselier // <ios>
105a83710eSEric Fiselier 
115a83710eSEric Fiselier // template <class charT, class traits> class basic_ios
125a83710eSEric Fiselier 
135a83710eSEric Fiselier // basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb);
145a83710eSEric Fiselier 
155a83710eSEric Fiselier #include <ios>
165a83710eSEric Fiselier #include <streambuf>
175a83710eSEric Fiselier #include <cassert>
185a83710eSEric Fiselier 
19*7fc6a556SMarshall Clow #include "test_macros.h"
20*7fc6a556SMarshall Clow 
main(int,char **)212df59c50SJF Bastien int main(int, char**)
225a83710eSEric Fiselier {
235a83710eSEric Fiselier     std::ios ios(0);
245a83710eSEric Fiselier     assert(ios.rdbuf() == 0);
255a83710eSEric Fiselier     assert(!ios.good());
265a83710eSEric Fiselier     std::streambuf* sb = (std::streambuf*)1;
275a83710eSEric Fiselier     std::streambuf* sb2 = ios.rdbuf(sb);
285a83710eSEric Fiselier     assert(sb2 == 0);
295a83710eSEric Fiselier     assert(ios.rdbuf() == sb);
305a83710eSEric Fiselier     assert(ios.good());
315a83710eSEric Fiselier     sb2 = ios.rdbuf(0);
325a83710eSEric Fiselier     assert(sb2 == (std::streambuf*)1);
335a83710eSEric Fiselier     assert(ios.rdbuf() == 0);
345a83710eSEric Fiselier     assert(ios.bad());
352df59c50SJF Bastien 
362df59c50SJF Bastien   return 0;
375a83710eSEric Fiselier }
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