1// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
2
3// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
4// Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 2, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING.  If not, write to the Free
19// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
20// USA.
21
22#include <sstream>
23#include <testsuite_hooks.h>
24
25std::wstring str_01(L"mykonos. . . or what?");
26std::wstringbuf strb_01(str_01);
27
28// test overloaded virtual functions
29void test04()
30{
31  bool test __attribute__((unused)) = true;
32  std::wstring 		str_tmp;
33  std::streamsize 		strmsz_1, strmsz_2;
34  typedef std::wstringbuf::int_type int_type;
35  typedef std::wstringbuf::traits_type traits_type;
36  typedef std::wstringbuf::pos_type pos_type;
37  typedef std::wstringbuf::off_type off_type;
38
39  int_type c1 = strb_01.sbumpc();
40  int_type c2, c3;
41
42  // BUFFER MANAGEMENT & POSITIONING
43
44  // seekoff
45  // pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which)
46  // alters the stream position to off
47  pos_type pt_1(off_type(-1));
48  pos_type pt_2(off_type(0));
49  off_type off_1 = 0;
50  off_type off_2 = 0;
51  strb_01.str(str_01); //in|out ("mykonos. . . or what?");
52
53  //IN|OUT
54  //beg
55  pt_1 = strb_01.pubseekoff(2, std::ios_base::beg);
56  off_1 = off_type(pt_1);
57  VERIFY( off_1 >= 0 );
58  c1 = strb_01.snextc(); //current in pointer +1
59  VERIFY( c1 == L'o' );
60  c2 = strb_01.sputc(L'x');  //test current out pointer
61  str_tmp = std::wstring(L"myxonos. . . or what?");
62  VERIFY( strb_01.str() == str_tmp );
63  //cur
64  pt_1 = strb_01.pubseekoff(2, std::ios_base::cur);
65  off_1 = off_type(pt_1);
66  VERIFY( off_1 == -1 ); // can't seekoff for in and out + cur in sstreams
67  pt_1 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in);
68  off_1 = off_type(pt_1);
69  pt_2 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in);
70  off_2 = off_type(pt_2);
71  VERIFY( off_2 == off_1 + 2 );
72  c1 = strb_01.snextc(); //current in pointer + 1
73  VERIFY( c1 == L' ' );
74  c2 = strb_01.sputc(L'x');  //test current out pointer
75  str_tmp = std::wstring(L"myxxnos. . . or what?");
76  VERIFY( strb_01.str() == str_tmp );
77  //end
78  pt_2 = strb_01.pubseekoff(2, std::ios_base::end);
79  off_1 = off_type(pt_2);
80  VERIFY( off_1 == -1 ); // not a valid position
81  VERIFY( strb_01.str() == str_tmp );
82  // end part two (from the filebuf tests)
83  strb_01.pubseekoff(0, std::ios_base::end);
84  strmsz_1 = strb_01.in_avail(); // 0 cuz at the end
85  c1 = strb_01.sgetc();
86  c2 = strb_01.sungetc();
87  strmsz_2 = strb_01.in_avail(); // 1
88  c3 = strb_01.sgetc();
89  VERIFY( c1 != c2 );
90  VERIFY( strmsz_2 != strmsz_1 );
91  VERIFY( strmsz_2 == 1 );
92  // end part three
93  strmsz_1 = strb_01.str().size();
94  strmsz_2 = strb_01.sputn(L" ravi shankar meets carlos santana in LoHa", 90);
95  strb_01.pubseekoff(0, std::ios_base::end);
96  strb_01.sputc(L'<');
97  str_tmp = strb_01.str();
98  VERIFY(static_cast<std::streamsize>(str_tmp.size()) == strmsz_1 + strmsz_2 + 1);
99  // IN
100  // OUT
101}
102
103int main()
104{
105  test04();
106  return 0;
107}
108
109
110
111// more candy!!!
112