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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_stringbuf/sputc/char/1.cc
1 // 981208 bkoz test functionality of basic_stringbuf for char_type == char
3 // Copyright (C) 1997-2019 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 typedef std::stringbuf::int_type int_type
;
34 typedef std::stringbuf::traits_type traits_type
;
36 int_type c1
= strb_01
.sbumpc();
37 int_type c2
= strb_02
.sbumpc();
38 int_type c3
= strb_01
.sbumpc();
41 // int_type sputc(char_type c)
42 // if out_cur not avail, return overflow. Else, stores c at out_cur,
43 // increments out_cur, and returns c as int_type
44 strb_03
.str(str_01
); //reset
45 std::string::size_type sz1
= strb_03
.str().length();
46 c1
= strb_03
.sputc('a');
47 std::string::size_type sz2
= strb_03
.str().length();
48 VERIFY( sz1
== sz2
); //cuz inserting at out_cur, which is at beg to start
49 c2
= strb_03
.sputc('b');
51 VERIFY( strb_03
.str() != str_01
);
52 c3
= strb_02
.sputc('a'); // should be EOF because this is read-only
53 VERIFY( c3
== traits_type::eof() );