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//
// Boost.Pointer Container
//
// Copyright Thorsten Ottosen 2003-2005. Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// For more information, see http://www.boost.org/libs/ptr_container/
//
#include <boost/static_assert.hpp>
#include <boost/type_traits.hpp>
#include <boost/config.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/lexical_cast.hpp>
#include <algorithm>
#include <iostream>
#include <string>
#include <utility>
#include <cstdlib>
using namespace std;
using namespace boost;
//////////////////////////////////////////////////////////////////////////////
// Test class 1: a class hierarchy
//////////////////////////////////////////////////////////////////////////////
class Base
{
Base( const Base& r ) : data1(r.data1), data2(r.data2),
data3(r.data3), data(r.data)
{
#ifdef PTR_CONTAINER_DEBUG
objects++;
std::cout <<"+ " << objects << "\n";
#endif
}
Base& operator=( const Base& );
int data1, data2, data3;
string data;
public:
Base() : data1(1), data2(2), data3(rand()%256),
data(lexical_cast<string>(rand()))
{
#ifdef PTR_CONTAINER_DEBUG
objects++;
std::cout <<"+ " << objects << "\n";
#endif
}
virtual ~Base()
{
#ifdef PTR_CONTAINER_DEBUG
objects--;
std::cout <<"- " << objects << "\n";
if( objects < 0 )
terminate();
#endif
}
void print( ostream& out ) const { do_print( out); }
Base* clone() const { return do_clone(); }
void foo() { do_foo(); }
virtual bool less_than( const Base& b ) const
{
return true;
}
virtual bool equal( const Base& b ) const
{
return this == &b ;
}
bool data_less_than( const Base& b ) const
{
return data1 == b.data1 && data2 == b.data2 && data3 < b.data3;
}
bool data_less_than2( const Base& b ) const
{
return data_less_than(b) && data < b.data;
}
#ifdef PTR_CONTAINER_DEBUG
static int objects;
#endif
private:
virtual void do_print( ostream& out ) const { };
virtual Base* do_clone() const { return new Base( *this ); };
virtual void do_foo() { };
};
#ifdef PTR_CONTAINER_DEBUG
int Base::objects = 0;
#endif
ostream& operator<<( ostream& out, const Base& b )
{
b.print( out );
return out;
}
//
// We rely on argument dependent lookup
// for this to be found
//
inline Base* new_clone( const Base& b )
{
return b.clone();
}
inline bool operator<( const Base& l, const Base& r )
{
return l.less_than( r );
}
inline bool operator>( const Base& l, const Base& r )
{
return !l.less_than( r ) && r.less_than( l );
}
inline bool operator==( const Base& l, const Base& r )
{
return l.equal( r );
}
inline bool operator!=( const Base& l, const Base& r )
{
return !l.equal( r );
}
class Derived_class : public Base
{
int i_;
virtual void do_print( ostream& out ) const
{
out << i_;
}
virtual Base* do_clone() const
{
return new Derived_class;
}
virtual void do_foo()
{
++i_;
}
public:
Derived_class() : i_( rand() )
{ }
virtual bool less_than( const Base& b ) const
{
const Derived_class& d = dynamic_cast<const Derived_class&>( b );
return i_ < d.i_;
}
};
//////////////////////////////////////////////////////////////////////////////
// Test class 2: a value class
//////////////////////////////////////////////////////////////////////////////
class Value
{
string s_;
public:
Value() : s_( boost::lexical_cast<string>( rand() ) )
{}
~Value() { /** debug code here */ }
string name() const
{
return s_;
}
};
inline bool operator<( const Value& l, const Value& r )
{
return l.name() < r.name();
}
inline bool operator>( const Value& l, const Value& r )
{
return l.name() > r.name();
}
inline bool operator==( const Value& l, const Value& r )
{
return l.name() == r.name();
}
inline bool operator!=( const Value& l, const Value& r )
{
return l.name() != r.name();
}
inline ostream& operator<<( ostream& out, const Value& v )
{
return out << v.name() << " ";
}
//
// used to hide "unused variable" warnings
//
template< class T >
inline void hide_warning( T& r )
{ }
//
// transfer() test
//
template< class Cont1, class Cont2 >
void transfer_test( Cont1& from, Cont2& to )
{
BOOST_CHECK( !from.empty() );
to. BOOST_NESTED_TEMPLATE transfer<Cont1>( from );
BOOST_CHECK( !to.empty() );
}
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