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Howard Hinnant3e519522010-05-11 19:42:16 +00001//===----------------------------------------------------------------------===//
2//
Howard Hinnant5b08a8a2010-05-11 21:36:01 +00003// The LLVM Compiler Infrastructure
Howard Hinnant3e519522010-05-11 19:42:16 +00004//
Howard Hinnant412dbeb2010-11-16 22:09:02 +00005// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
Howard Hinnant3e519522010-05-11 19:42:16 +00007//
8//===----------------------------------------------------------------------===//
9
10// <ios>
11
12// template <class charT, class traits> class basic_ios
13
14// bool fail() const;
15
16#include <ios>
17#include <streambuf>
18#include <cassert>
19
20struct testbuf : public std::streambuf {};
21
22int main()
23{
24 {
25 std::ios ios(0);
26 assert(ios.fail());
27 ios.setstate(std::ios::eofbit);
28 assert(ios.fail());
29 }
30 {
31 testbuf sb;
32 std::ios ios(&sb);
33 assert(!ios.fail());
34 ios.setstate(std::ios::eofbit);
35 assert(!ios.fail());
36 ios.setstate(std::ios::badbit);
37 assert(ios.fail());
38 ios.setstate(std::ios::failbit);
39 assert(ios.fail());
40 }
41}