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3 // Copyright (C) 1999-2023 Free Software Foundation, Inc.
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)
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.
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/>.
21 // 27.5.2 template class basic_streambuf
25 #include <testsuite_hooks.h>
27 class testbuf
: public std::wstreambuf
32 typedef std::wstreambuf::traits_type traits_type
;
33 typedef std::wstreambuf::char_type char_type
;
35 testbuf(): std::wstreambuf()
41 VERIFY( !this->eback() );
42 VERIFY( !this->gptr() );
43 VERIFY( !this->egptr() );
44 VERIFY( !this->pbase() );
45 VERIFY( !this->pptr() );
46 VERIFY( !this->epptr() );
51 { return (this->uflow()); }
54 pub_overflow(int_type __c
= traits_type::eof())
55 { return (this->overflow(__c
)); }
58 pub_pbackfail(int_type __c
)
59 { return (this->pbackfail(__c
)); }
62 pub_setg(wchar_t* beg
, wchar_t* cur
, wchar_t* end
)
63 { this->setg(beg
, cur
, end
); }
66 pub_setp(wchar_t* beg
, wchar_t* end
)
67 { this->setp(beg
, end
); }
73 int_type __retval
= traits_type::eof();
74 if (this->gptr() < this->egptr())
75 __retval
= traits_type::not_eof(0);
82 typedef testbuf::traits_type traits_type
;
83 typedef testbuf::int_type int_type
;
85 wchar_t lit01
[] = L
"chicago underground trio/possible cube on delmark";
86 size_t i01
= traits_type::length(lit01
);
90 // 27.5.2.1 basic_streambuf ctors
91 // default ctor initializes
92 // - all pointer members to null pointers
93 // - locale to current global locale
94 buf01
.check_pointers();
95 VERIFY( buf01
.getloc() == std::locale() );
97 // 27.5.2.2.5 Put area
99 wchar_t carray01
[i01
];
100 std::wmemset(carray01
, 0, i01
);
102 buf01
.pub_setg(lit01
, lit01
, lit01
+ i01
);
103 buf01
.sgetn(carray01
, 0);
104 VERIFY( carray01
[0] == 0 );
105 buf01
.sgetn(carray01
, 1);
106 VERIFY( carray01
[0] == L
'c' );
107 buf01
.sgetn(carray01
+ 1, i01
- 1);
108 VERIFY( carray01
[0] == L
'c' );
109 VERIFY( carray01
[1] == L
'h' );
110 VERIFY( carray01
[i01
- 1] == L
'k' );