1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <strstream> 10 11 // class istrstream 12 13 // strstreambuf* rdbuf() const; 14 15 #include <strstream> 16 #include <cassert> 17 18 #include "test_macros.h" 19 main(int,char **)20int main(int, char**) 21 { 22 { 23 const char buf[] = "123 4.5 dog"; 24 const std::istrstream in(buf); 25 std::strstreambuf* sb = in.rdbuf(); 26 assert(sb->sgetc() == '1'); 27 } 28 29 return 0; 30 } 31