Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 10 | // <ios> |
| 11 | |
| 12 | // template <class charT, class traits> class basic_ios |
| 13 | |
| 14 | // void set_rdbuf(basic_streambuf<charT, traits>* sb); |
| 15 | |
| 16 | #include <ios> |
| 17 | #include <streambuf> |
| 18 | #include <cassert> |
| 19 | |
| 20 | struct testbuf |
| 21 | : public std::streambuf |
| 22 | { |
| 23 | }; |
| 24 | |
| 25 | struct testios |
| 26 | : public std::ios |
| 27 | { |
| 28 | testios(std::streambuf* p) : std::ios(p) {} |
| 29 | void set_rdbuf(std::streambuf* x) {std::ios::set_rdbuf(x);} |
| 30 | }; |
| 31 | |
| 32 | int main() |
| 33 | { |
| 34 | testbuf sb1; |
| 35 | testbuf sb2; |
| 36 | testios ios(&sb1); |
| 37 | try |
| 38 | { |
| 39 | ios.setstate(std::ios::badbit); |
| 40 | ios.exceptions(std::ios::badbit); |
| 41 | } |
| 42 | catch (...) |
| 43 | { |
| 44 | } |
| 45 | ios.set_rdbuf(&sb2); |
| 46 | assert(ios.rdbuf() == &sb2); |
| 47 | try |
| 48 | { |
| 49 | ios.setstate(std::ios::badbit); |
| 50 | ios.exceptions(std::ios::badbit); |
| 51 | } |
| 52 | catch (...) |
| 53 | { |
| 54 | } |
| 55 | ios.set_rdbuf(0); |
| 56 | assert(ios.rdbuf() == 0); |
| 57 | } |