gcc/libstdc++-v3/testsuite/23_containers/bitset_ctor.cc

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// 1999-06-08 bkoz
// Copyright (C) 1999, 2000 Free Software Foundation, Inc.
//
// 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.
// 23.3.5.1 bitset constructors
#include <string>
#include <bitset>
#include <debug_assert.h>
bool test01(void)
{
bool test = true;
// bitset()
const size_t n1 = 5;
std::bitset<n1> bit01;
for (int i = 0; i < n1; ++i)
VERIFY( !bit01.test(i) );
// bitset(unsigned long)
const size_t n2 = 32;
unsigned long ul1 = 2;
std::bitset<n2> bit02(ul1);
VERIFY( !bit02.test(0) );
VERIFY( bit02.test(1) );
VERIFY( !bit02.test(2) );
// template<_CharT, _Traits, _Alloc>
// explicit bitset(const basic_string<_C,_T,_A>&, size_type pos, size_type n)
std::string str01("stuff smith sessions");
const size_t n3 = 128;
try {
std::bitset<n3> bit03(str01, 5);
}
catch(std::invalid_argument& fail) {
VERIFY( true );
}
catch(...) {
VERIFY( false );
}
std::string str02("010101000011");
int sz = str02.size();
try {
std::bitset<n3> bit03(str02, 0);
std::string str03;
for (int i = 0; i < sz; ++i)
str03 += (bit03.test(i) ? '1' : '0');
std::reverse(str03.begin(), str03.end());
VERIFY( str03 == str02 );
}
catch(std::invalid_argument& fail) {
VERIFY( false );
}
catch(...) {
VERIFY( false );
}
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int main()
{
test01();
return 0;
}