1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <strstream> 11 12 // class ostrstream 13 14 // void freeze(bool freezefl = true); 15 16 #include <strstream> 17 #include <cassert> 18 19 int main() 20 { 21 { 22 std::ostrstream out; 23 out.freeze(); 24 assert(!out.fail()); 25 out << 'a'; 26 assert(out.fail()); 27 out.clear(); 28 out.freeze(false); 29 out << 'a'; 30 out << char(0); 31 assert(out.str() == std::string("a")); 32 out.freeze(false); 33 } 34 } 35
