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//==========================================================================

//

//      tassert1.cxx

//

//      Assertion test case                                                                

//

//==========================================================================

//####COPYRIGHTBEGIN####

//                                                                          

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

// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.

//

// This file is part of the eCos host tools.

//

// This program 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 of the License, or (at your option) 

// any later version.

// 

// This program 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 program; if not, write to the Free Software Foundation, Inc., 

// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

//

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

//                                                                          

//####COPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####                                             

//

// Author(s):           bartv

// Contributors:        bartv

// Date:                1998-11-27

// Purpose:

// Description:         By default all assertions should be disabled, but

//                      they should compile just fine. This module uses all

//                      assertions except CYGFAIL. As a fringe benefit, all

//                      of the macros get checked for correct argument usage.

//

//####DESCRIPTIONEND####

//==========================================================================

#include <cyg/infra/testcase.h>

#include <cyg/infra/cyg_ass.h>

#include <cstdlib>

#ifdef CYGDBG_USE_ASSERTS

# error Assertions should not be enabled by default.

#endif

static const char message[] = "This should never be seen.";

class dummy {

  private:

    int       random;

  public:

    dummy() {

        random = rand();

    }

    ~dummy() {

        random = 0;

    }

    void assertions();

    static void extern_assertions(dummy*);

    bool check_this(cyg_assert_class_zeal) const;

};

int main(int argc, char** argv)

{

    dummy object;

    CYG_ASSERT( true, message);

    CYG_ASSERT( false, message);

    CYG_ASSERTC(true);

    CYG_ASSERTC(false);

    CYG_FAIL(message);

    CYG_CHECK_DATA_PTR( &argc, message);

    CYG_CHECK_DATA_PTR( 0,     message);

    CYG_CHECK_FUNC_PTR( &main, message);

    CYG_CHECK_FUNC_PTR( 0,     message);

    CYG_CHECK_DATA_PTRC(&argc);

    CYG_CHECK_DATA_PTRC(0);

    CYG_CHECK_FUNC_PTRC(&main);

    CYG_CHECK_FUNC_PTRC(0);

    CYG_ASSERT_CLASS(  &object, message);

    CYG_ASSERT_CLASSC( &object);

    CYG_ASSERT_CLASSO( object, message);

    CYG_ASSERT_CLASSOC( object);

    CYG_ASSERTCLASS(   &object, message);

    CYG_ASSERTCLASSO(  object, message);

    CYG_PRECONDITION(true, message);

    CYG_PRECONDITION(false, message);

    CYG_PRECONDITIONC(true);

    CYG_PRECONDITIONC(false);

    CYG_PRECONDITION_CLASS(&object, message);

    CYG_PRECONDITION_CLASSC(&object);

    CYG_PRECONDITION_CLASSO(object, message);

    CYG_PRECONDITION_CLASSOC(object);

    CYG_POSTCONDITION(true, message);

    CYG_POSTCONDITION(false, message);

    CYG_POSTCONDITIONC(true);

    CYG_POSTCONDITIONC(false);

    CYG_POSTCONDITION_CLASS(&object, message);

    CYG_POSTCONDITION_CLASSC(&object);

    CYG_POSTCONDITION_CLASSO(object, message);

    CYG_POSTCONDITION_CLASSOC(object);

    CYG_LOOP_INVARIANT(true, message);

    CYG_LOOP_INVARIANT(false, message);

    CYG_LOOP_INVARIANTC(true);

    CYG_LOOP_INVARIANTC(false);

    CYG_LOOP_INVARIANT_CLASS(&object, message);

    CYG_LOOP_INVARIANT_CLASSC(&object);

    CYG_LOOP_INVARIANT_CLASSO(object, message);

    CYG_LOOP_INVARIANT_CLASSOC(object);

    CYG_INVARIANT(true, message);

    CYG_INVARIANT(false, message);

    CYG_INVARIANTC(true);

    CYG_INVARIANTC(false);

    dummy::extern_assertions( &object);

    dummy::extern_assertions( 0);

    object.assertions( );

    CYG_TEST_PASS_FINISH("disabled assertions do nothing");

    return 0;

}

// A utility routine which performs assertions on this.

void

dummy::assertions()

{

    CYG_INVARIANT_THIS(dummy, message);

    CYG_INVARIANT_THISC(dummy);

    CYG_ASSERT_THIS(message);

    CYG_ASSERT_THISC();

    CYG_PRECONDITION_THIS(message);

    CYG_PRECONDITION_THISC();

    CYG_POSTCONDITION_THIS(message);

    CYG_POSTCONDITION_THISC();

    CYG_LOOP_INVARIANT_THIS(message);

    CYG_LOOP_INVARIANT_THISC();

}

// Another utility which gets passed an object pointer.

// This is useful for the ZERO_OR_CLASS() variants.

void

dummy::extern_assertions(dummy* obj)

{

    dummy obj2;

    CYG_INVARIANT_CLASSO(dummy, obj2, message);

    CYG_INVARIANT_CLASSOC(dummy, obj2);

    CYG_INVARIANT_CLASS(dummy, obj, message);

    CYG_INVARIANT_CLASSC(dummy, obj);

    CYG_ASSERT_ZERO_OR_CLASS(obj, message);

    CYG_ASSERT_ZERO_OR_CLASSC(obj);

    CYG_PRECONDITION_ZERO_OR_CLASS(obj, message);

    CYG_PRECONDITION_ZERO_OR_CLASSC(obj);

    CYG_POSTCONDITION_ZERO_OR_CLASS(obj, message);

    CYG_POSTCONDITION_ZERO_OR_CLASSC(obj);

    CYG_LOOP_INVARIANT_ZERO_OR_CLASS(obj, message);

    CYG_LOOP_INVARIANT_ZERO_OR_CLASSC(obj);

}

bool

dummy::check_this(cyg_assert_class_zeal zeal) const

{

    // The default zeal should be cyg_quick.

    switch(zeal) {

    case cyg_quick:

        return true;

    case cyg_system_test:

    case cyg_extreme:

    case cyg_thorough:

    case cyg_trivial:

    case cyg_none:

        CYG_TEST_FAIL_FINISH("incorrect default zeal passed to check_this() member function");

    default:

        CYG_TEST_FAIL_FINISH("invalid zeal passed to check_this() member function");

    }

    return false;

}