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 strstreambuf 13 14 // void freeze(bool freezefl = true); 15 16 #include <strstream> 17 #include <cassert> 18 main()19int main() 20 { 21 { 22 std::strstreambuf sb; 23 sb.freeze(true); 24 assert(sb.sputc('a') == EOF); 25 sb.freeze(false); 26 assert(sb.sputc('a') == 'a'); 27 } 28 } 29