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 | |
| 10 | // <streambuf> |
| 11 | |
| 12 | // template <class charT, class traits = char_traits<charT> > |
| 13 | // class basic_streambuf; |
| 14 | |
| 15 | // streamsize sputn(const char_type* s, streamsize n); |
| 16 | |
| 17 | #include <streambuf> |
| 18 | #include <cassert> |
| 19 | |
| 20 | int xsputn_called = 0; |
| 21 | |
| 22 | struct test |
| 23 | : public std::basic_streambuf<char> |
| 24 | { |
| 25 | test() {} |
| 26 | |
| 27 | protected: |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 28 | std::streamsize xsputn(const char_type* s, std::streamsize n) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 29 | { |
| 30 | ++xsputn_called; |
| 31 | return 5; |
| 32 | } |
| 33 | }; |
| 34 | |
| 35 | int main() |
| 36 | { |
| 37 | test t; |
| 38 | assert(xsputn_called == 0); |
| 39 | assert(t.sputn(0, 0) == 5); |
| 40 | assert(xsputn_called == 1); |
| 41 | } |