1 // 981208 bkoz test functionality of basic_stringbuf for char_type == char
2 
3 // Copyright (C) 1997-2018 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library.  This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 // GNU General Public License for more details.
15 
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3.  If not see
18 // <http://www.gnu.org/licenses/>.
19 
20 #include <sstream>
21 #include <testsuite_hooks.h>
22 
23 std::string str_01("mykonos. . . or what?");
24 std::string str_02("paris, or sainte-maxime?");
25 std::string str_03;
26 std::stringbuf strb_01(str_01);
27 std::stringbuf strb_02(str_02, std::ios_base::in);
28 std::stringbuf strb_03(str_03, std::ios_base::out);
29 
30 // test overloaded virtual functions
test04()31 void test04()
32 {
33   std::string 		str_tmp;
34   std::streamsize 		strmsz_1, strmsz_2;
35   typedef std::stringbuf::int_type int_type;
36   typedef std::stringbuf::traits_type traits_type;
37 
38   // PUT
39   strb_03.str(str_01); //reset
40   std::string::size_type sz1 = strb_03.str().length();
41   std::string::size_type sz2 = strb_03.str().length();
42 
43   // streamsize sputn(const char_typs* s, streamsize n)
44   // write up to n chars to out_cur from s, returning number assigned
45   // NB *sputn will happily put '\0' into your stream if you give it a chance*
46   str_tmp = strb_03.str();
47   sz1 = str_tmp.length();
48   strmsz_1 = strb_03.sputn("racadabras", 10);//"abracadabras or what?"
49   sz2 = strb_03.str().length();
50   VERIFY( sz1 == sz2 ); //shouldn't have changed length
51   VERIFY( strmsz_1 == 10 );
52   VERIFY( str_tmp != strb_03.str() );
53   strmsz_2 = strb_03.sputn(", i wanna reach out and", 23);
54   VERIFY( strmsz_1 != strmsz_2 ); // should re-allocate, copy 10 chars.
55   VERIFY( strmsz_1 == 10 );
56   VERIFY( strmsz_2 == 23 );
57   sz2 = strb_03.str().length();
58   VERIFY( sz1 != sz2 ); // need to change length
59   VERIFY( str_tmp != strb_03.str() );
60   str_tmp = strb_02.str();
61   strmsz_1 = strb_02.sputn("racadabra", 10);
62   VERIFY( strmsz_1 == 0 );
63   VERIFY( str_tmp == strb_02.str() );
64 }
65 
main()66 int main()
67 {
68   test04();
69   return 0;
70 }
71 
72 
73 
74 // more candy!!!
75