| 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 | // bool fail() const; |
| 14 | |
| 15 | #include <ios> |
| 16 | #include <streambuf> |
| 17 | #include <cassert> |
| 18 | |
| 19 | #include "test_macros.h" |
| 20 | |
| 21 | struct testbuf : public std::streambuf {}; |
| 22 | |
| 23 | int main(int, char**) |
| 24 | { |
| 25 | { |
| 26 | std::ios ios(0); |
| 27 | assert(ios.fail()); |
| 28 | ios.setstate(std::ios::eofbit); |
| 29 | assert(ios.fail()); |
| 30 | } |
| 31 | { |
| 32 | testbuf sb; |
| 33 | std::ios ios(&sb); |
| 34 | assert(!ios.fail()); |
| 35 | ios.setstate(std::ios::eofbit); |
| 36 | assert(!ios.fail()); |
| 37 | ios.setstate(std::ios::badbit); |
| 38 | assert(ios.fail()); |
| 39 | ios.setstate(std::ios::failbit); |
| 40 | assert(ios.fail()); |
| 41 | } |
| 42 | |
| 43 | return 0; |
| 44 | } |
| 45 |