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::wstring str_02(L"paris, or sainte-maxime?");
27std::wstring str_03;
28std::wstringbuf strb_01(str_01);
29std::wstringbuf strb_02(str_02, std::ios_base::in);
30std::wstringbuf strb_03(str_03, std::ios_base::out);
31
32// test overloaded virtual functions
33void test04()
34{
35  bool test __attribute__((unused)) = true;
36  std::streamsize 		strmsz_1, strmsz_2;
37  std::streamoff  		strmof_1(-1), strmof_2;
38  typedef std::wstringbuf::int_type int_type;
39  typedef std::wstringbuf::traits_type traits_type;
40
41  // GET
42  strmof_1 = strb_01.in_avail();
43  strmof_2 = strb_02.in_avail();
44  strmof_1 = strb_03.in_avail();
45
46  int_type c1 = strb_01.sbumpc();
47  int_type c2 = strb_02.sbumpc();
48  strb_01.sbumpc();
49  int_type c4 = strb_02.sbumpc();
50  int_type c5 = strb_03.sbumpc();
51
52  // int_type sgetc()
53  // if read_cur not avail, return uflow(), else return *read_cur
54  int_type c6 = strb_01.sgetc();
55  int_type c7 = strb_02.sgetc();
56  strb_01.sgetc();
57  strb_02.sgetc();
58   c5 = strb_03.sgetc();
59
60  // int_type snextc()
61  // calls sbumpc and if sbumpc != eof, return sgetc
62  c6 = strb_01.snextc();
63  c7 = strb_02.snextc();
64  c5 = strb_03.snextc();
65
66  // streamsize sgetn(char_type *s, streamsize n)
67  // streamsize xsgetn(char_type *s, streamsize n)
68  // assign up to n chars to s from input sequence, indexing in_cur as
69  // approp and returning the number of chars assigned
70  strmsz_1 = strb_01.in_avail();
71  strmsz_2 = strb_02.in_avail();
72  test = strmsz_1 != strmsz_2;
73  VERIFY( strmsz_1 != static_cast<std::streamsize>(str_01.length()) );
74  // because now we've moved into string
75  VERIFY( strmsz_2 != static_cast<std::streamsize>(str_02.length()) );
76  wchar_t carray1[11] = L"";
77  strmsz_1 = strb_01.sgetn(carray1, 10);
78  wchar_t carray2[20] = L"";
79  strmsz_2 = strb_02.sgetn(carray2, 10);
80  VERIFY( strmsz_1 == strmsz_2 );
81  VERIFY( strmsz_1 == 10 );
82  c1 = strb_01.sgetc();
83  c2 = strb_02.sgetc();
84  VERIFY( c6 == c1 ); //just by co-incidence both o's
85  VERIFY( c7 != c2 ); // n != i
86  VERIFY( c1 == str_01[13] );
87  VERIFY( c2 == str_02[13] ); //should equal fourteenth letter at this point
88  strmsz_1 = strb_03.sgetn(carray1, 10);
89  VERIFY( !strmsz_1 ); //zero
90  strmsz_1 = strb_02.in_avail();
91  strmsz_2 = strb_02.sgetn(carray2, strmsz_1 + 5);
92  VERIFY( strmsz_1 == strmsz_2 ); //write off the end
93  c4 = strb_02.sgetc(); // should be EOF
94  VERIFY( c4 == traits_type::eof() );
95}
96
97int main()
98{
99  test04();
100  return 0;
101}
102
103
104
105// more candy!!!
106