📄 12.cc
字号:
// 2003-12-22 Paolo Carlini <pcarlini@suse.de>// Copyright (C) 2003, 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,// USA.// 22.2.2.1.1 num_get members#include <locale>#include <sstream>#include <testsuite_hooks.h>struct Punct1: std::numpunct<wchar_t>{ std::string do_grouping() const { return "\1"; } wchar_t do_thousands_sep() const { return L'+'; } wchar_t do_decimal_point() const { return L'x'; }};struct Punct2: std::numpunct<wchar_t>{ std::string do_grouping() const { return "\1"; } wchar_t do_thousands_sep() const { return L'X'; } wchar_t do_decimal_point() const { return L'-'; }};// http://gcc.gnu.org/ml/libstdc++/2003-12/msg00201.htmlvoid test01(){ using namespace std; typedef istreambuf_iterator<wchar_t> iterator_type; bool test __attribute__((unused)) = true; wistringstream iss1, iss2; iss1.imbue(locale(iss1.getloc(), new Punct1)); iss2.imbue(locale(iss2.getloc(), new Punct2)); const num_get<wchar_t>& ng1 = use_facet<num_get<wchar_t> >(iss1.getloc()); const num_get<wchar_t>& ng2 = use_facet<num_get<wchar_t> >(iss2.getloc()); ios_base::iostate err = ios_base::goodbit; iterator_type end; long l = 1l; long l1 = 0l; long l2 = 10l; long l3 = 1l; long l4 = 63l; double d = 0.0; double d1 = .4; double d2 = 0.0; double d3 = .1; iss1.str(L"+3"); err = ios_base::goodbit; end = ng1.get(iss1.rdbuf(), 0, iss1, err, l); VERIFY( err == ios_base::failbit ); VERIFY( *end == L'+' ); iss1.str(L"0x1"); iss1.clear(); err = ios_base::goodbit; end = ng1.get(iss1.rdbuf(), 0, iss1, err, l); VERIFY( err == ios_base::goodbit ); VERIFY( *end == L'x' ); VERIFY( l == l1 ); iss1.str(L"0Xa"); iss1.clear(); iss1.unsetf(ios::basefield); err = ios_base::goodbit; end = ng1.get(iss1.rdbuf(), 0, iss1, err, l); VERIFY( err == ios_base::eofbit ); VERIFY( l == l2 ); iss1.str(L"0xa"); iss1.clear(); err = ios_base::goodbit; end = ng1.get(iss1.rdbuf(), 0, iss1, err, l); VERIFY( err == ios_base::goodbit ); VERIFY( *end == L'x' ); VERIFY( l == l1 ); iss1.str(L"+5"); iss1.clear(); err = ios_base::goodbit; end = ng1.get(iss1.rdbuf(), 0, iss1, err, d); VERIFY( err == ios_base::failbit ); VERIFY( *end == L'+' ); iss1.str(L"x4"); iss1.clear(); err = ios_base::goodbit; end = ng1.get(iss1.rdbuf(), 0, iss1, err, d); VERIFY( err == ios_base::eofbit ); VERIFY( d == d1 ); iss2.str(L"0001-"); err = ios_base::goodbit; end = ng2.get(iss2.rdbuf(), 0, iss2, err, l); VERIFY( err == ios_base::goodbit ); VERIFY( *end == L'-' ); VERIFY( l == l3 ); iss2.str(L"-2"); iss2.clear(); err = ios_base::goodbit; end = ng2.get(iss2.rdbuf(), 0, iss2, err, l); VERIFY( err == ios_base::failbit ); VERIFY( *end == L'-' ); iss2.str(L"0X1"); iss2.clear(); iss2.unsetf(ios::basefield); err = ios_base::goodbit; end = ng2.get(iss2.rdbuf(), 0, iss2, err, l); VERIFY( err == ios_base::failbit ); VERIFY( *end == L'X' ); VERIFY( l == l3 ); iss2.str(L"000778"); iss2.clear(); err = ios_base::goodbit; end = ng2.get(iss2.rdbuf(), 0, iss2, err, l); VERIFY( err == ios_base::goodbit ); VERIFY( *end == L'8' ); VERIFY( l == l4 ); iss2.str(L"00X"); iss2.clear(); err = ios_base::goodbit; end = ng2.get(iss2.rdbuf(), 0, iss2, err, d); VERIFY( err == (ios_base::eofbit | ios_base::failbit) ); VERIFY( d == d2 ); iss2.str(L"-1"); iss2.clear(); err = ios_base::goodbit; end = ng2.get(iss2.rdbuf(), 0, iss2, err, d); VERIFY( err == ios_base::eofbit ); VERIFY( d == d3 ); }int main(){ test01(); return 0;}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -