]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_stringbuf/sputbackc/char/1.cc
1 // 981208 bkoz test functionality of basic_stringbuf for char_type == char
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2009, 2010
4 // Free Software Foundation, Inc.
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 3, or (at your option)
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.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
22 #include <testsuite_hooks.h>
24 std::string
str_01("mykonos. . . or what?");
25 std::string
str_02("paris, or sainte-maxime?");
27 std::stringbuf
strb_01(str_01
);
28 std::stringbuf
strb_02(str_02
, std::ios_base::in
);
29 std::stringbuf
strb_03(str_03
, std::ios_base::out
);
31 // test overloaded virtual functions
34 bool test
__attribute__((unused
)) = true;
35 std::string str_tmp
, str_tmp2
;
36 typedef std::stringbuf::int_type int_type
;
37 typedef std::stringbuf::traits_type traits_type
;
39 int_type c1
= strb_01
.sbumpc();
40 int_type c2
= strb_02
.sbumpc();
41 int_type c3
= strb_01
.sbumpc();
42 int_type c4
= strb_02
.sbumpc();
45 strb_03
.str(str_01
); //reset
46 strb_03
.str().length();
47 strb_03
.str().length();
49 // streamsize sputn(const char_typs* s, streamsize n)
50 // write up to n chars to out_cur from s, returning number assigned
51 // NB *sputn will happily put '\0' into your stream if you give it a chance*
52 str_tmp
= strb_03
.str();
54 strb_03
.sputn("racadabras", 10);//"abracadabras or what?"
55 strb_03
.str().length();
56 strb_03
.sputn(", i wanna reach out and", 10);
57 strb_03
.str().length();
58 str_tmp
= strb_02
.str();
59 strb_02
.sputn("racadabra", 10);
63 // int_type sputbackc(char_type c)
64 // if in_cur not avail || ! traits::eq(c, gptr() [-1]), return pbfail
65 // otherwise decrements in_cur and returns *gptr()
67 str_tmp
= strb_01
.str();
68 c1
= strb_01
.sgetc(); //"mykonos. . . 'o'r what?"
69 c2
= strb_01
.sputbackc('z');//"mykonos. . .zor what?"
71 str_tmp2
= strb_01
.str();
74 VERIFY( str_tmp2
== std::string("mzkonos. . . or what?") );
75 VERIFY( str_tmp
.size() == str_tmp2
.size() );
76 //test for _in_cur == _in_beg
79 c1
= strb_01
.sgetc(); //"'m'ykonos. . . or what?"
80 c2
= strb_01
.sputbackc('z');//"mykonos. . . or what?"
85 VERIFY( c2
== traits_type::eof() );
86 VERIFY( strb_01
.str() == str_tmp
);
87 VERIFY( str_tmp
.size() == strb_01
.str().size() );
88 // test for replacing char with identical one
89 strb_01
.str(str_01
); //reset
93 c1
= strb_01
.sgetc(); //"my'k'onos. . . or what?"
94 c2
= strb_01
.sputbackc('y');//"mykonos. . . or what?"
99 VERIFY( strb_01
.str() == str_01
);
100 VERIFY( str_01
.size() == strb_01
.str().size() );
101 //test for ios_base::out
103 c4
= strb_03
.sputbackc('x');
104 VERIFY( c4
== traits_type::eof() );