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 | // <strstream> |
| 11 | |
| 12 | // class ostrstream |
| 13 | |
| 14 | // ostrstream(char* s, int n, ios_base::openmode mode = ios_base::out); |
| 15 | |
| 16 | #include <strstream> |
| 17 | #include <cassert> |
| 18 | |
| 19 | int main() |
| 20 | { |
| 21 | { |
| 22 | char buf[] = "123 4.5 dog"; |
| 23 | std::ostrstream out(buf, 0); |
| 24 | assert(out.str() == std::string("123 4.5 dog")); |
| 25 | int i = 321; |
| 26 | double d = 5.5; |
| 27 | std::string s("cat"); |
Howard Hinnant | caee2b0 | 2012-06-01 20:02:59 +0000 | [diff] [blame] | 28 | out << i << ' ' << d << ' ' << s << std::ends; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 29 | assert(out.str() == std::string("321 5.5 cat")); |
| 30 | } |
| 31 | { |
| 32 | char buf[23] = "123 4.5 dog"; |
| 33 | std::ostrstream out(buf, 11, std::ios::app); |
| 34 | assert(out.str() == std::string("123 4.5 dog")); |
| 35 | int i = 321; |
| 36 | double d = 5.5; |
| 37 | std::string s("cat"); |
Howard Hinnant | caee2b0 | 2012-06-01 20:02:59 +0000 | [diff] [blame] | 38 | out << i << ' ' << d << ' ' << s << std::ends; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 39 | assert(out.str() == std::string("123 4.5 dog321 5.5 cat")); |
| 40 | } |
| 41 | } |