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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_stringbuf/in_avail/char/1.cc
1 // 981208 bkoz test functionality of basic_stringbuf for char_type == char
3 // Copyright (C) 1997-2021 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 #include <testsuite_hooks.h>
23 std::string
str_01("mykonos. . . or what?");
24 std::string
str_02("paris, or sainte-maxime?");
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
);
30 // test overloaded virtual functions
33 std::streamoff
strmof_1(-1), strmof_2
;
37 strmof_1
= strb_01
.in_avail();
38 strmof_2
= strb_02
.in_avail();
39 VERIFY( strmof_1
!= strmof_2
);
40 VERIFY( strmof_1
== static_cast<std::streamoff
>(str_01
.length()) );
41 VERIFY( strmof_2
== static_cast<std::streamoff
>(str_02
.length()) );
42 strmof_1
= strb_03
.in_avail();
43 // zero cuz write-only, or eof() to match basic_filebuf
44 VERIFY( strmof_1
== -1 );