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Diffstat (limited to 'libstdc++-v3/testsuite/27_io/basic_istream/extractors_character/wchar_t/1.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/basic_istream/extractors_character/wchar_t/1.cc | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_character/wchar_t/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_character/wchar_t/1.cc new file mode 100644 index 00000000000..0114e5b06bc --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_character/wchar_t/1.cc @@ -0,0 +1,81 @@ +// Copyright (C) 2004, 2005 Free Software Foundation +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// 27.6.1.2.3 character extractors + +#include <istream> +#include <sstream> +#include <testsuite_hooks.h> + +void test01() +{ + bool test __attribute__((unused)) = true; + std::wstring str_01; + const std::wstring str_02(L"coltrane playing 'softly as a morning sunrise'"); + const std::wstring str_03(L"coltrane"); + + std::wstringbuf isbuf_01(std::ios_base::in); + std::wstringbuf isbuf_02(str_02, std::ios_base::in); + std::wistream is_01(NULL); + std::wistream is_02(&isbuf_02); + + std::ios_base::iostate state1, state2, statefail; + statefail = std::ios_base::failbit; + + // template<_CharT, _Traits> + // basic_istream& operator>>(istream&, _CharT*) + const int n = 20; + wchar_t array1[n]; + array1[0] = L'\0'; + typedef std::wios::traits_type ctraits_type; + ctraits_type::int_type i1, i2; + + state1 = is_01.rdstate(); + i1 = ctraits_type::length(array1); + is_01 >> array1; // should snake 0 characters, not alter stream state + i2 = ctraits_type::length(array1); + state2 = is_01.rdstate(); + VERIFY( i1 == i2 ); + VERIFY( state1 != state2 ); + VERIFY( static_cast<bool>(state2 & statefail) ); + + state1 = is_02.rdstate(); + is_02 >> array1; // should snake L"coltrane" + state2 = is_02.rdstate(); + VERIFY( state1 == state2 ); + VERIFY( !static_cast<bool>(state2 & statefail) ); + VERIFY( array1[str_03.size() - 1] == L'e' ); + array1[str_03.size()] = L'\0'; + VERIFY( !str_03.compare(0, str_03.size(), array1) ); + std::wistream::int_type int1 = is_02.peek(); // should be L' ' + VERIFY( int1 == L' ' ); + + state1 = is_02.rdstate(); + is_02 >> array1; // should snake L"playing" as sentry "eats" ws + state2 = is_02.rdstate(); + int1 = is_02.peek(); // should be L' ' + VERIFY( int1 == L' ' ); + VERIFY( state1 == state2 ); + VERIFY( !static_cast<bool>(state2 & statefail) ); +} + +int main() +{ + test01(); + return 0; +} |