Loki/test/SmartPtr/main.cpp

////////////////////////////////////////////////////////////////////////////////
// Test program for The Loki Library
// Copyright (c) 2006 Richard Sposato
// Permission to use, copy, modify, distribute and sell this software for any 
//     purpose is hereby granted without fee, provided that the above copyright 
//     notice appear in all copies and that both that copyright notice and this 
//     permission notice appear in supporting documentation.
// The authors make no representations about the 
//     suitability of this software for any purpose. It is provided "as is" 
//     without express or implied warranty.
////////////////////////////////////////////////////////////////////////////////

// $Header$

// ----------------------------------------------------------------------------

#include <loki/SmartPtr.h>

#include <iostream>

#include "base.h"

// ----------------------------------------------------------------------------

using namespace std;
using namespace Loki;

extern void DoStrongRefCountTests( void );
extern void DoStrongRefLinkTests( void );

unsigned int BaseClass::s_constructions = 0;
unsigned int BaseClass::s_destructions = 0;


// ----------------------------------------------------------------------------

/// @note Used for testing most policies.
typedef Loki::SmartPtr< BaseClass, RefCounted, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr;

/// @note These 3 are used for testing const policies.
typedef Loki::SmartPtr< const BaseClass, RefCounted, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    ConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr;

typedef Loki::SmartPtr< const BaseClass, RefCounted, DisallowConversion,
    AssertCheck, DefaultSPStorage, PropagateConst >
    ConstBase_RefCount_NoConvert_Assert_Propagate_ptr;

typedef Loki::SmartPtr< BaseClass, RefCounted, DisallowConversion,
    AssertCheck, DefaultSPStorage, PropagateConst >
    NonConstBase_RefCount_NoConvert_Assert_Propagate_ptr;


/// @note These 5 are used for testing ownership policies.
typedef Loki::SmartPtr< BaseClass, COMRefCounted, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    NonConstBase_ComRef_NoConvert_Assert_DontPropagate_ptr;

typedef Loki::SmartPtr< BaseClass, RefLinked, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr;

typedef Loki::SmartPtr< BaseClass, DeepCopy, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    NonConstBase_DeepCopy_NoConvert_Assert_DontPropagate_ptr;

typedef Loki::SmartPtr< BaseClass, DestructiveCopy, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    NonConstBase_KillCopy_NoConvert_Assert_DontPropagate_ptr;

typedef Loki::SmartPtr< BaseClass, NoCopy, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    NonConstBase_NoCopy_NoConvert_Assert_DontPropagate_ptr;

/// @note These 2 are used for testing inheritance.
typedef Loki::SmartPtr< PublicSubClass, RefCounted, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    PublicSub_RefCount_NoConvert_Assert_DontPropagate_ptr;

typedef Loki::SmartPtr< PrivateSubClass, RefCounted, DisallowConversion,
    AssertCheck, DefaultSPStorage, DontPropagateConst >
    PrivateSub_RefCount_NoConvert_Assert_DontPropagate_ptr;


// ----------------------------------------------------------------------------

void DoConstConversionTests( void )
{

    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p1;
    ConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p2( p1 );
    ConstBase_RefCount_NoConvert_Assert_Propagate_ptr p3( p1 );
    NonConstBase_RefCount_NoConvert_Assert_Propagate_ptr p4( p1 );

//  p1 = p2;  // illegal! converts const to non-const.
//  p1 = p3;  // illegal! converts const to non-const.
    p1 = p4;  // legal, but dubious. Changes const-propagation policy.
    p2 = p1;  // legal.  natural const conversion.
    p2 = p3;  // legal, but dubious. Changes const-propagation policy.
    p2 = p4;  // legal, but dubious. Changes const-propagation policy.
    p3 = p1;  // legal, but dubious. Changes const-propagation policy.
    p3 = p2;  // legal, but dubious. Changes const-propagation policy.
    p3 = p4;  // legal.  natural const conversion.
    p4 = p1;  // legal, but dubious. Changes const-propagation policy.
//  p4 = p2;  // illegal! converts const to non-const.
//  p4 = p3;  // illegal! converts const to non-const.
}

// ----------------------------------------------------------------------------

void DoOwnershipConversionTests( void )
{
    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p1;
    NonConstBase_ComRef_NoConvert_Assert_DontPropagate_ptr p2;
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p3;
    NonConstBase_DeepCopy_NoConvert_Assert_DontPropagate_ptr p4( new BaseClass );
    NonConstBase_KillCopy_NoConvert_Assert_DontPropagate_ptr p5;
    NonConstBase_NoCopy_NoConvert_Assert_DontPropagate_ptr p6;

    // legal constructions.  Each should allow copy with same policies.
    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p7( p1 );
    NonConstBase_ComRef_NoConvert_Assert_DontPropagate_ptr p8( p2 );
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p9( p3 );
    NonConstBase_DeepCopy_NoConvert_Assert_DontPropagate_ptr p10( p4 );
    NonConstBase_KillCopy_NoConvert_Assert_DontPropagate_ptr p11( p5 );

    // illegal construction!  Can't copy anything with NoCopy policy.
    // NonConstBase_NoCopy_NoConvert_Assert_DontPropagate_ptr p12( p6 );

    // illegal constructions!  Can't convert from one ownership policy to another.
//  NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p13( p2 );
//  NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p14( p3 );
//  NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p15( p4 );
//  NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p16( p5 );
//  NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p17( p6 );

    // illegal constructions!  Can't convert from one ownership policy to another.
//  NonConstBase_ComRef_NoConvert_Assert_DontPropagate_ptr p18( p1 );
//  NonConstBase_ComRef_NoConvert_Assert_DontPropagate_ptr p19( p3 );
//  NonConstBase_ComRef_NoConvert_Assert_DontPropagate_ptr p20( p4 );
//  NonConstBase_ComRef_NoConvert_Assert_DontPropagate_ptr p21( p5 );
//  NonConstBase_ComRef_NoConvert_Assert_DontPropagate_ptr p22( p6 );

    // illegal constructions!  Can't convert from one ownership policy to another.
//  NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p23( p1 );
//  NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p24( p2 );
//  NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p25( p4 );
//  NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p26( p5 );
//  NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p27( p6 );

    // illegal constructions!  Can't convert from one ownership policy to another.
//  NonConstBase_DeepCopy_NoConvert_Assert_DontPropagate_ptr p28( p1 );
//  NonConstBase_DeepCopy_NoConvert_Assert_DontPropagate_ptr p29( p2 );
//  NonConstBase_DeepCopy_NoConvert_Assert_DontPropagate_ptr p30( p3 );
//  NonConstBase_DeepCopy_NoConvert_Assert_DontPropagate_ptr p31( p5 );
//  NonConstBase_DeepCopy_NoConvert_Assert_DontPropagate_ptr p32( p6 );

    // illegal constructions!  Can't convert from one ownership policy to another.
//  NonConstBase_KillCopy_NoConvert_Assert_DontPropagate_ptr p33( p1 );
//  NonConstBase_KillCopy_NoConvert_Assert_DontPropagate_ptr p34( p2 );
//  NonConstBase_KillCopy_NoConvert_Assert_DontPropagate_ptr p35( p3 );
//  NonConstBase_KillCopy_NoConvert_Assert_DontPropagate_ptr p36( p4 );
//  NonConstBase_KillCopy_NoConvert_Assert_DontPropagate_ptr p37( p6 );

    // illegal constructions!  Can't convert from one ownership policy to another.
//  NonConstBase_NoCopy_NoConvert_Assert_DontPropagate_ptr p38( p1 );
//  NonConstBase_NoCopy_NoConvert_Assert_DontPropagate_ptr p39( p2 );
//  NonConstBase_NoCopy_NoConvert_Assert_DontPropagate_ptr p40( p3 );
//  NonConstBase_NoCopy_NoConvert_Assert_DontPropagate_ptr p41( p4 );
//  NonConstBase_NoCopy_NoConvert_Assert_DontPropagate_ptr p42( p5 );

    // illegal assignements!  Can't convert from one ownership policy to another.
//  p1 = p2;
//  p1 = p3;
//  p1 = p4;
//  p1 = p5;
//  p1 = p6;
//  p2 = p1;
//  p2 = p3;
//  p2 = p4;
//  p2 = p5;
//  p2 = p6;
//  p3 = p1;
//  p3 = p2;
//  p3 = p4;
//  p3 = p5;
//  p3 = p6;
//  p4 = p1;
//  p4 = p2;
//  p4 = p3;
//  p4 = p5;
//  p4 = p6;
//  p5 = p1;
//  p5 = p2;
//  p5 = p3;
//  p5 = p4;
//  p5 = p6;
//  p6 = p1;
//  p6 = p2;
//  p6 = p3;
//  p6 = p4;
//  p6 = p5;
}

// ----------------------------------------------------------------------------

void DoInheritanceConversionTests( void )
{
    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p1;
    PublicSub_RefCount_NoConvert_Assert_DontPropagate_ptr p2;
    PrivateSub_RefCount_NoConvert_Assert_DontPropagate_ptr p3;

    p1 = p2;  // legal.  Cast to public base class allowed.
    assert( p1 == p2 );
//  p1 = p3;  // illegal!  Can't assign pointer since base class is private.
//  p2 = p1;  // illegal!  Can't do cast to derived class in pointer assignment.
//  p2 = p3;  // illegal!  Can't assign when types are unrelated.
//  p3 = p1;  // illegal!  Can't do cast to derived class in pointer assignment.
//  p3 = p2;  // illegal!  Can't assign when types are unrelated.

    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p4( p2 );
    assert( p4 == p1 );
    assert( p4 == p2 );
    // These copy-constructions are illegal for reasons shown above.
//  NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p5( p3 );
//  PublicSub_RefCount_NoConvert_Assert_DontPropagate_ptr p6( p1 );
//  PublicSub_RefCount_NoConvert_Assert_DontPropagate_ptr p7( p3 );
//  PrivateSub_RefCount_NoConvert_Assert_DontPropagate_ptr p8( p1 );
//  PrivateSub_RefCount_NoConvert_Assert_DontPropagate_ptr p9( p2 );
}

// ----------------------------------------------------------------------------

void DoRefCountSwapTests( void )
{
    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p1( new BaseClass );
    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p2( new BaseClass );

    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p3( p1 );
    NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p4( p2 );

    // p1 == p3    and    p2 == p4
    assert( p1 == p3 );
    assert( p1 != p2 );
    assert( p1 != p4 );
    assert( p2 == p4 );
    assert( p2 != p3 );
    assert( p2 != p1 );

    // p1 == p4    and    p2 == p3
    p3.Swap( p4 );
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );

    // p1 == p3    and    p2 == p4
    p3.Swap( p4 );
    assert( p1 == p3 );
    assert( p1 != p2 );
    assert( p1 != p4 );
    assert( p2 == p4 );
    assert( p2 != p3 );
    assert( p2 != p1 );

    // p2 == p3    and    p1 == p4
    p1.Swap( p2 );
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );

    // p2 == p3    and    p1 == p4
    p1.Swap( p1 );
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );

    // p2 == p3    and    p4 == p1
    p1.Swap( p4 );
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );
}

// ----------------------------------------------------------------------------

void DoRefLinkSwapTests( void )
{

    BaseClass * pBaseClass = new BaseClass;
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p1( pBaseClass );
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p2( new BaseClass );

    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p3( p1 );
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p4( p2 );

    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p5;
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p6( new BaseClass );

    // p1 <---> p3    and    p2 <---> p4   and   p5   and   p6
    assert( p1 == p3 );
    assert( p1 != p2 );
    assert( p1 != p4 );
    assert( p2 == p4 );
    assert( p2 != p3 );
    assert( p2 != p1 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p3.Swap( p4 );  // p1 <---> p4    and    p2 <---> p3   and   p5   and   p6
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p3.Swap( p4 );   // p1 <---> p3    and    p2 <---> p4   and   p5   and   p6
    assert( p1 == p3 );
    assert( p1 != p2 );
    assert( p1 != p4 );
    assert( p2 == p4 );
    assert( p2 != p3 );
    assert( p2 != p1 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p1.Swap( p2 );  // p2 <---> p3    and    p1 <---> p4   and   p5   and   p6
    assert( p1 != pBaseClass );
    assert( p2 == pBaseClass );
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p1.Swap( p1 );  // p2 <---> p3    and    p1 <---> p4   and   p5   and   p6
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p1.Swap( p4 );  // p2 <---> p3    and    p4 <---> p1   and   p5   and   p6
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p4.Swap( p1 );  // p2 <---> p3    and    p4 <---> p1   and   p5   and   p6
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p5.Swap( p5 );  // p2 <---> p3    and    p4 <---> p1   and   p5   and   p6
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );

    p5.Swap( p1 );  // p2 <---> p3    and    p4 <---> p5   and   p1   and   p6
    assert( p5 == p4 );
    assert( p5 != p2 );
    assert( p5 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p5 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p4 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p6.Swap( p1 );  // p2 <---> p3    and    p4 <---> p5   and   p1   and   p6
    assert( p5 == p4 );
    assert( p5 != p2 );
    assert( p5 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p5 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p4 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );

    p5.Swap( p1 );  // p2 <---> p3    and    p4 <---> p1   and   p5   and   p6
    assert( p1 == p4 );
    assert( p1 != p2 );
    assert( p1 != p3 );
    assert( p2 == p3 );
    assert( p2 != p4 );
    assert( p2 != p1 );
    assert( p1 != p5 );
    assert( p2 != p5 );
    assert( p3 != p5 );
    assert( p4 != p5 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );

    p6 = p2;  // p6 <---> p2 <---> p3    and    p4 <---> p1   and   p5
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p5 != p3 );
    assert( p2 != p4 );
    assert( p2 != p5 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );

    p5 = p3;  // p6 <---> p2 <---> p3 <---> p5   and    p4 <---> p1
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );

    p5.Swap( p3 );  // p6 <---> p2 <---> p5 <---> p3   and    p4 <---> p1
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );

    p2.Swap( p3 );  // p6 <---> p3 <---> p5 <---> p2   and    p4 <---> p1
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );

    bool merged = false;
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p7( pBaseClass );
    assert( p7 == p7 );
    assert( p6 == p7 );
    assert( p1 != p7 );
    merged = p7.Merge( p6 );
    // p7 <---> p6 <---> p3 <---> p5 <---> p2   and    p4 <---> p1
    assert( merged );
    assert( p6 == p7 );
    assert( p1 != p7 );
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );
    assert( p7 == p7 );

    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p8( pBaseClass );
    assert( p6 == p8 );
    assert( p1 != p8 );
    merged = p6.Merge( p8 );
    // p7 <---> p6 <---> p8 <---> p3 <---> p5 <---> p2   and    p4 <---> p1
    assert( merged );
    assert( p6 == p8 );
    assert( p6 == p7 );
    assert( p1 != p7 );
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );
    assert( p7 == p7 );
    assert( p8 == p8 );

    merged = p6.Merge( p6 );
    // p7 <---> p6 <---> p8 <---> p3 <---> p5 <---> p2   and    p4 <---> p1
    assert( merged );
    assert( p6 == p8 );
    assert( p6 == p7 );
    assert( p1 != p7 );
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );
    assert( p7 == p7 );
    assert( p8 == p8 );

    merged = p6.Merge( p3 );
    // p7 <---> p6 <---> p8 <---> p3 <---> p5 <---> p2   and    p4 <---> p1
    assert( merged );
    assert( p6 == p8 );
    assert( p6 == p7 );
    assert( p1 != p7 );
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );
    assert( p7 == p7 );
    assert( p8 == p8 );

    merged = p5.Merge( p1 );
    // p7 <---> p6 <---> p8 <---> p3 <---> p5 <---> p2   and    p4 <---> p1
    assert( !merged );
    assert( p6 == p8 );
    assert( p6 == p7 );
    assert( p1 != p7 );
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );
    assert( p7 == p7 );
    assert( p8 == p8 );

    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p9( pBaseClass );
    NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr pA( p9 );
    assert( p9 == pA );
    assert( p9 == p8 );
    assert( p1 != p8 );
    merged = p9.Merge( p1 );
    // p7 <---> p6 <---> p8 <---> p3 <---> p5 <---> p2
    //   and    p4 <---> p1   and   p9 <---> pA
    assert( !merged );
    assert( p6 == p8 );
    assert( p6 == p7 );
    assert( p1 != p7 );
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );
    assert( p7 == p7 );
    assert( p8 == p8 );
    assert( p9 == p9 );
    assert( pA == pA );

    merged = p9.Merge( p2 );
    // p7 <---> p6 <---> p8 <---> p3 <---> p5 <---> p2 <---> p9 <---> pA
    //   and    p4 <---> p1
    assert( merged );
    assert( p6 == p8 );
    assert( p6 == p7 );
    assert( p1 != p7 );
    assert( p6 == p5 );
    assert( p6 == p2 );
    assert( p6 == p3 );
    assert( p5 == p3 );
    assert( p2 == p3 );
    assert( p1 == p4 );
    assert( p2 != p4 );
    assert( p1 != p5 );
    assert( p2 != p1 );
    assert( p3 != p1 );
    assert( p1 == p1 );
    assert( p2 == p2 );
    assert( p3 == p3 );
    assert( p4 == p4 );
    assert( p5 == p5 );
    assert( p6 == p6 );
    assert( p7 == p7 );
    assert( p8 == p8 );
    assert( p9 == p9 );
    assert( pA == pA );
}

// ----------------------------------------------------------------------------

void DoRefLinkTests( void )
{

    const unsigned int ctorCount = BaseClass::GetCtorCount();
    const unsigned int dtorCount = BaseClass::GetDtorCount();
    assert( BaseClass::GetCtorCount() == BaseClass::GetDtorCount() );

    {
        NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr w0;
        NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr w1;
    }
    assert( ctorCount == BaseClass::GetCtorCount() );
    assert( dtorCount == BaseClass::GetDtorCount() );

    {
        NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr w3( new BaseClass );
        NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr w4( new BaseClass );
        assert( w3 != w4 );
        assert( w3 );
        assert( w4 );
        w3 = w4;
        assert( w3 == w4 );
        assert( w3 );
        assert( w4 );
        assert( dtorCount + 1 == BaseClass::GetDtorCount() );
    }
    assert( ctorCount + 2 == BaseClass::GetCtorCount() );
    assert( dtorCount + 2 == BaseClass::GetDtorCount() );
    assert( BaseClass::GetCtorCount() == BaseClass::GetDtorCount() );

}

// ----------------------------------------------------------------------------

void DoRefCountNullPointerTests( void )
{
    BaseClass * pNull = NULL;
    const unsigned int ctorCount = BaseClass::GetCtorCount();
    const unsigned int dtorCount = BaseClass::GetDtorCount();
    assert( BaseClass::GetCtorCount() == BaseClass::GetDtorCount() );

    {
        NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p0;
        NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p1;
        NonConstBase_RefCount_NoConvert_Assert_DontPropagate_ptr p2( p0 );

        assert( !p0 );
        assert( !p1 );
        assert( !p2 );
        assert( p1 == pNull );
        assert( p0 == pNull );
        assert( pNull == p0 );
        assert( pNull == p1 );
        assert( pNull == p2 );
        assert( p0 == p0 );
        assert( p1 == p1 );
        assert( p2 == p2 );
        assert( p1 == p0 );
        assert( p0 == p1 );
        assert( p2 == p0 );
        assert( p0 == p2 );
        assert( p1 <= p0 );
        assert( p1 >= p0 );
        assert( p0 <= p1 );
        assert( p0 >= p1 );
        assert( p2 <= p0 );
        assert( p2 >= p0 );
        assert( p0 <= p2 );
        assert( p0 >= p2 );
        assert( !( p1 < p0 ) );
        assert( !( p1 > p0 ) );
        assert( !( p0 < p1 ) );
        assert( !( p0 > p1 ) );
        assert( !( p2 < p0 ) );
        assert( !( p2 > p0 ) );
        assert( !( p0 < p2 ) );
        assert( !( p0 > p2 ) );
        assert( !( p0 < pNull ) );
        assert( !( p0 > pNull ) );
        assert( !( pNull < p0 ) );
        assert( !( pNull > p0 ) );
    }
    assert( ctorCount == BaseClass::GetCtorCount() );
    assert( dtorCount == BaseClass::GetDtorCount() );
}

// ----------------------------------------------------------------------------

void DoRefLinkNullPointerTests( void )
{
    BaseClass * pNull = NULL;
    const unsigned int ctorCount = BaseClass::GetCtorCount();
    const unsigned int dtorCount = BaseClass::GetDtorCount();
    assert( BaseClass::GetCtorCount() == BaseClass::GetDtorCount() );

    {
        NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p0;
        NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p1;
        NonConstBase_RefLink_NoConvert_Assert_DontPropagate_ptr p2( p0 );

        assert( !p0 );
        assert( !p1 );
        assert( !p2 );
        assert( p1 == pNull );
        assert( p0 == pNull );
        assert( pNull == p0 );
        assert( pNull == p1 );
        assert( pNull == p2 );
        assert( p0 == p0 );
        assert( p1 == p1 );
        assert( p2 == p2 );
        assert( p1 == p0 );
        assert( p0 == p1 );
        assert( p2 == p0 );
        assert( p0 == p2 );
        assert( p1 <= p0 );
        assert( p1 >= p0 );
        assert( p0 <= p1 );
        assert( p0 >= p1 );
        assert( p2 <= p0 );
        assert( p2 >= p0 );
        assert( p0 <= p2 );
        assert( p0 >= p2 );
        assert( !( p1 < p0 ) );
        assert( !( p1 > p0 ) );
        assert( !( p0 < p1 ) );
        assert( !( p0 > p1 ) );
        assert( !( p2 < p0 ) );
        assert( !( p2 > p0 ) );
        assert( !( p0 < p2 ) );
        assert( !( p0 > p2 ) );
        assert( !( p0 < pNull ) );
        assert( !( p0 > pNull ) );
        assert( !( pNull < p0 ) );
        assert( !( pNull > p0 ) );
    }
    assert( ctorCount == BaseClass::GetCtorCount() );
    assert( dtorCount == BaseClass::GetDtorCount() );
}

// ----------------------------------------------------------------------------

int main( unsigned int , const char * [] )
{

    DoRefLinkTests();

    DoRefCountNullPointerTests();
    DoRefLinkNullPointerTests();

    DoRefCountSwapTests();
    DoRefLinkSwapTests();
    DoConstConversionTests();
    DoOwnershipConversionTests();
    DoInheritanceConversionTests();

    // Check that nothing was leaked.
    assert( BaseClass::AllDestroyed() );
    assert( !BaseClass::ExtraConstructions() );

    // Check that no destructor called too often.
    assert( !BaseClass::ExtraDestructions() );

    cout << "All SmartPtr tests passed!" << endl;
    return 0;
}

// ----------------------------------------------------------------------------

// $Log$
// Revision 1.4  2006/03/21 20:50:22  syntheticpp
// fix include error
//
// Revision 1.3  2006/03/17 22:52:56  rich_sposato
// Fixed bugs 1452805 and 1451835.  Added Merge ability for RefLink policy.
// Added more tests for SmartPtr.
//
// Revision 1.2  2006/03/01 02:08:11  rich_sposato
// Fixed bug 1440694 by adding check if rhs is previous neighbor.
//
// Revision 1.1  2006/02/25 01:53:20  rich_sposato
// Added test project for Loki::SmartPtr class.
//