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 // strstreambuf(const signed char* gnext_arg, streamsize n); 15 16 #include <strstream> 17 #include <cassert> 18 19 int main() 20 { 21 { 22 const signed char buf[] = "abcd"; 23 std::strstreambuf sb(buf, sizeof(buf)); 24 assert(sb.sgetc() == 'a'); 25 assert(sb.snextc() == 'b'); 26 assert(sb.snextc() == 'c'); 27 assert(sb.snextc() == 'd'); 28 assert(sb.snextc() == 0); 29 assert(sb.snextc() == EOF); 30 } 31 { 32 const signed char buf[] = "abcd"; 33 std::strstreambuf sb(buf, 0); 34 assert(sb.sgetc() == 'a'); 35 assert(sb.snextc() == 'b'); 36 assert(sb.snextc() == 'c'); 37 assert(sb.snextc() == 'd'); 38 assert(sb.snextc() == EOF); 39 } 40 } 41
