diff options
Diffstat (limited to 'libstdc++-v3/testsuite/27_io/basic_istream/peek/wchar_t/1.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/basic_istream/peek/wchar_t/1.cc | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/peek/wchar_t/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/peek/wchar_t/1.cc new file mode 100644 index 00000000000..93251c18ac6 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_istream/peek/wchar_t/1.cc @@ -0,0 +1,92 @@ +// Copyright (C) 2004 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. + +// 27.6.1.3 unformatted input functions + +#include <istream> +#include <sstream> +#include <testsuite_hooks.h> + +void +test01() +{ + typedef std::wios::traits_type traits_type; + + bool test __attribute__((unused)) = true; + const std::wstring str_01; + const std::wstring str_02(L"soul eyes: john coltrane quartet"); + std::wstring strtmp; + + std::wstringbuf isbuf_03(str_02, std::ios_base::in); + std::wstringbuf isbuf_04(str_02, std::ios_base::in); + + std::wistream is_00(NULL); + std::wistream is_03(&isbuf_03); + std::wistream is_04(&isbuf_04); + std::ios_base::iostate state1, state2, statefail, stateeof; + statefail = std::ios_base::failbit; + stateeof = std::ios_base::eofbit; + + wchar_t carray[60] = L""; + + // istream& ignore(streamsize n = 1, int_type delim = traits::eof()) + is_04.read(carray, 9); + VERIFY( is_04.peek() == L':' ); + + state1 = is_04.rdstate(); + is_04.ignore(); + VERIFY( is_04.gcount() == 1 ); + state2 = is_04.rdstate(); + VERIFY( state1 == state2 ); + VERIFY( is_04.peek() == L' ' ); + + state1 = is_04.rdstate(); + is_04.ignore(0); + VERIFY( is_04.gcount() == 0 ); + state2 = is_04.rdstate(); + VERIFY( state1 == state2 ); + VERIFY( is_04.peek() == L' ' ); + + state1 = is_04.rdstate(); + is_04.ignore(5, traits_type::to_int_type(' ')); + VERIFY( is_04.gcount() == 1 ); + state2 = is_04.rdstate(); + VERIFY( state1 == state2 ); + VERIFY( is_04.peek() == L'j' ); + + // int_type peek() + state1 = is_04.rdstate(); + VERIFY( is_04.peek() == L'j' ); + VERIFY( is_04.gcount() == 0 ); + state2 = is_04.rdstate(); + VERIFY( state1 == state2 ); + + is_04.ignore(30); + state1 = is_04.rdstate(); + VERIFY( is_04.peek() == traits_type::eof() ); + VERIFY( is_04.gcount() == 0 ); + state2 = is_04.rdstate(); + VERIFY( state1 != state2 ); +} + +int +main() +{ + test01(); + return 0; +} |