147 lines
3.6 KiB
C++
147 lines
3.6 KiB
C++
// Copyright (C) 2004, 2005 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// 27.6.1.2.2 arithmetic extractors
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#include <istream>
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#include <sstream>
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#include <locale>
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#include <testsuite_hooks.h>
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namespace std {
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class test_numpunct1 : public numpunct<wchar_t>
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{
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protected:
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string
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do_grouping() const
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{ return string(1, '\003'); }
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};
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} // namespace std
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void test07()
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{
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// manufactured locale, grouping is turned on
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bool test __attribute__((unused)) = true;
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unsigned int h4 = 0, h3 = 0, h2 = 0;
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float f1 = 0.0;
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const std::wstring s1(L"205,199 23,445.25 1,024,365 123,22,24");
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std::wistringstream is(s1);
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is.imbue(std::locale(std::locale(), new std::test_numpunct1));
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// Basic operation.
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is >> h4;
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VERIFY( h4 == 205199 );
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VERIFY( is.good() );
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is.clear();
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is >> f1;
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VERIFY( f1 == 23445.25 );
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VERIFY( is.good() );
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is.clear();
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is >> h3;
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VERIFY( h3 == 1024365 );
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VERIFY( is.good() );
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is.clear();
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is >> h2;
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VERIFY( h2 == 1232224 );
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VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
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VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
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// Stress tests for explicit errors in grouping corner cases. The
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// validity of these tests and results have been hammered out in
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// private email between bkoz and ncm between Jan 25 and Jan 27, 2000.
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// Thanks nate -- benjamin
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const std::wstring s2(L",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567");
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h3 = h4 = h2 = 0;
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f1 = 0.0;
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const wchar_t c_control = L'?';
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wchar_t c = c_control;
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is.clear();
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is.str(s2);
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is >> h4;
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VERIFY( h4 == 0 );
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VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
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is.clear();
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is >> c;
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VERIFY( c == L',' );
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VERIFY( is.good() );
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is.ignore(3);
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is >> f1;
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VERIFY( f1 == 0.0 );
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VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
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is.clear();
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is >> c;
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VERIFY( c == L',' );
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is >> c;
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VERIFY( c == L'4' );
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VERIFY( is.good() );
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is >> f1;
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VERIFY( f1 == 0.25 );
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VERIFY( is.good() );
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is >> c;
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VERIFY( c == L',' );
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is >> h2;
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VERIFY( h2 == 345 );
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VERIFY( is.good() );
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f1 = 0.0;
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h2 = 0;
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is >> f1;
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VERIFY( f1 == 5.0 );
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VERIFY( is.good() );
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is >> f1;
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VERIFY( f1 == .25 );
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VERIFY( is.good() );
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is >> h3;
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VERIFY( h3 == 0 );
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VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
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is.clear();
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is >> c;
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VERIFY( c == L',' ); // second one
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VERIFY( is.good() );
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is >> h2;
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VERIFY( h2 == 1000000 );
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VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
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h2 = 0;
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is.clear();
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is >> h2;
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VERIFY( h2 == 1000000 );
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VERIFY( is.good() );
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h2 = 0;
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is >> h2;
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VERIFY( h2 == 1234567 );
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VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
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VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
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is.clear();
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}
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int main()
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{
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test07();
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return 0;
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}
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