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Howard Hinnant3e519522010-05-11 19:42:16 +00001//===----------------------------------------------------------------------===//
2//
3// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <ios>
11
12// class ios_base
13
14// ios_base& internal(ios_base& str);
15
16#include <ios>
17#include <streambuf>
18#include <cassert>
19
20struct testbuf : public std::streambuf {};
21
22int main()
23{
24 testbuf sb;
25 std::ios ios(&sb);
26 std::ios_base& r = std::internal(ios);
27 assert(&r == &ios);
28 assert(ios.flags() & std::ios::internal);
29}