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      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 // char* str();
     15 
     16 #include <strstream>
     17 #include <cassert>
     18 
     19 int main()
     20 {
     21     {
     22         std::strstreambuf sb;
     23         assert(sb.sputc('a') == 'a');
     24         assert(sb.sputc(0) == 0);
     25         assert(sb.str() == std::string("a"));
     26         sb.freeze(false);
     27     }
     28 }
     29