| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <ios> |
| |
| // template <class charT, class traits> class basic_ios |
| |
| // void set_rdbuf(basic_streambuf<charT, traits>* sb); |
| |
| #include <ios> |
| #include <streambuf> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| struct testbuf |
| : public std::streambuf |
| { |
| }; |
| |
| struct testios |
| : public std::ios |
| { |
| testios(std::streambuf* p) : std::ios(p) {} |
| void set_rdbuf(std::streambuf* x) {std::ios::set_rdbuf(x);} |
| }; |
| |
| int main(int, char**) |
| { |
| testbuf sb1; |
| testbuf sb2; |
| testios ios(&sb1); |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| try |
| { |
| ios.setstate(std::ios::badbit); |
| ios.exceptions(std::ios::badbit); |
| assert(false); |
| } |
| catch (...) |
| { |
| } |
| #endif |
| ios.set_rdbuf(&sb2); |
| assert(ios.rdbuf() == &sb2); |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| try |
| { |
| ios.setstate(std::ios::badbit); |
| ios.exceptions(std::ios::badbit); |
| } |
| catch (...) |
| { |
| } |
| #endif |
| ios.set_rdbuf(0); |
| assert(ios.rdbuf() == 0); |
| |
| return 0; |
| } |