| 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 | // void clear(iostate state = goodbit); |
| 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 | ios.clear(); |
| 28 | assert(ios.rdstate() == std::ios::badbit); |
| 29 | #ifndef TEST_HAS_NO_EXCEPTIONS |
| 30 | try |
| 31 | { |
| 32 | ios.exceptions(except: std::ios::badbit); |
| 33 | assert(false); |
| 34 | } |
| 35 | catch (...) |
| 36 | { |
| 37 | } |
| 38 | try |
| 39 | { |
| 40 | ios.clear(); |
| 41 | assert(false); |
| 42 | } |
| 43 | catch (std::ios::failure&) |
| 44 | { |
| 45 | assert(ios.rdstate() == std::ios::badbit); |
| 46 | } |
| 47 | try |
| 48 | { |
| 49 | ios.clear(state: std::ios::eofbit); |
| 50 | assert(false); |
| 51 | } |
| 52 | catch (std::ios::failure&) |
| 53 | { |
| 54 | assert(ios.rdstate() == (std::ios::eofbit | std::ios::badbit)); |
| 55 | } |
| 56 | #endif |
| 57 | } |
| 58 | { |
| 59 | testbuf sb; |
| 60 | std::ios ios(&sb); |
| 61 | ios.clear(); |
| 62 | assert(ios.rdstate() == std::ios::goodbit); |
| 63 | ios.exceptions(except: std::ios::badbit); |
| 64 | ios.clear(); |
| 65 | assert(ios.rdstate() == std::ios::goodbit); |
| 66 | ios.clear(state: std::ios::eofbit); |
| 67 | assert(ios.rdstate() == std::ios::eofbit); |
| 68 | } |
| 69 | |
| 70 | return 0; |
| 71 | } |
| 72 |