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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_stringbuf/sgetn/wchar_t/1.cc
1 // 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
3 // Copyright (C) 1997-2013 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::wstring
str_01(L
"mykonos. . . or what?");
24 std::wstring
str_02(L
"paris, or sainte-maxime?");
26 std::wstringbuf
strb_01(str_01
);
27 std::wstringbuf
strb_02(str_02
, std::ios_base::in
);
28 std::wstringbuf
strb_03(str_03
, std::ios_base::out
);
30 // test overloaded virtual functions
33 bool test
__attribute__((unused
)) = true;
34 std::streamsize strmsz_1
, strmsz_2
;
35 typedef std::wstringbuf::int_type int_type
;
36 typedef std::wstringbuf::traits_type traits_type
;
43 int_type c1
= strb_01
.sbumpc();
44 int_type c2
= strb_02
.sbumpc();
46 int_type c4
= strb_02
.sbumpc();
50 // if read_cur not avail, return uflow(), else return *read_cur
51 int_type c6
= strb_01
.sgetc();
52 int_type c7
= strb_02
.sgetc();
58 // calls sbumpc and if sbumpc != eof, return sgetc
59 c6
= strb_01
.snextc();
60 c7
= strb_02
.snextc();
63 // streamsize sgetn(char_type *s, streamsize n)
64 // streamsize xsgetn(char_type *s, streamsize n)
65 // assign up to n chars to s from input sequence, indexing in_cur as
66 // approp and returning the number of chars assigned
67 strmsz_1
= strb_01
.in_avail();
68 strmsz_2
= strb_02
.in_avail();
69 test
= strmsz_1
!= strmsz_2
;
70 VERIFY( strmsz_1
!= static_cast<std::streamsize
>(str_01
.length()) );
71 // because now we've moved into string
72 VERIFY( strmsz_2
!= static_cast<std::streamsize
>(str_02
.length()) );
73 wchar_t carray1
[11] = L
"";
74 strmsz_1
= strb_01
.sgetn(carray1
, 10);
75 wchar_t carray2
[20] = L
"";
76 strmsz_2
= strb_02
.sgetn(carray2
, 10);
77 VERIFY( strmsz_1
== strmsz_2
);
78 VERIFY( strmsz_1
== 10 );
81 VERIFY( c6
== c1
); //just by co-incidence both o's
82 VERIFY( c7
!= c2
); // n != i
83 VERIFY( c1
== traits_type::to_int_type(str_01
[13]) );
84 VERIFY( c2
== traits_type::to_int_type(str_02
[13]) ); //should equal fourteenth letter at this point
85 strmsz_1
= strb_03
.sgetn(carray1
, 10);
86 VERIFY( !strmsz_1
); //zero
87 strmsz_1
= strb_02
.in_avail();
88 strmsz_2
= strb_02
.sgetn(carray2
, strmsz_1
+ 5);
89 VERIFY( strmsz_1
== strmsz_2
); //write off the end
90 c4
= strb_02
.sgetc(); // should be EOF
91 VERIFY( c4
== traits_type::eof() );