1 // Copyright (C) 2004, 2005 Free Software Foundation
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 2, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19 // 27.6.1.2.3 character extractors
23 #include <testsuite_hooks.h>
27 bool test __attribute__((unused)) = true;
29 const std::wstring str_02(L"coltrane playing 'softly as a morning sunrise'");
30 const std::wstring str_03(L"coltrane");
32 std::wstringbuf isbuf_01(std::ios_base::in);
33 std::wstringbuf isbuf_02(str_02, std::ios_base::in);
34 std::wistream is_01(NULL);
35 std::wistream is_02(&isbuf_02);
37 std::ios_base::iostate state1, state2, statefail;
38 statefail = std::ios_base::failbit;
40 // template<_CharT, _Traits>
41 // basic_istream& operator>>(istream&, _CharT*)
45 typedef std::wios::traits_type ctraits_type;
46 ctraits_type::int_type i1, i2;
48 state1 = is_01.rdstate();
49 i1 = ctraits_type::length(array1);
50 is_01 >> array1; // should snake 0 characters, not alter stream state
51 i2 = ctraits_type::length(array1);
52 state2 = is_01.rdstate();
54 VERIFY( state1 != state2 );
55 VERIFY( static_cast<bool>(state2 & statefail) );
57 state1 = is_02.rdstate();
58 is_02 >> array1; // should snake L"coltrane"
59 state2 = is_02.rdstate();
60 VERIFY( state1 == state2 );
61 VERIFY( !static_cast<bool>(state2 & statefail) );
62 VERIFY( array1[str_03.size() - 1] == L'e' );
63 array1[str_03.size()] = L'\0';
64 VERIFY( !str_03.compare(0, str_03.size(), array1) );
65 std::wistream::int_type int1 = is_02.peek(); // should be L' '
66 VERIFY( int1 == L' ' );
68 state1 = is_02.rdstate();
69 is_02 >> array1; // should snake L"playing" as sentry "eats" ws
70 state2 = is_02.rdstate();
71 int1 = is_02.peek(); // should be L' '
72 VERIFY( int1 == L' ' );
73 VERIFY( state1 == state2 );
74 VERIFY( !static_cast<bool>(state2 & statefail) );