StubSequence.h

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/**************************************************************************

   begin                : Thu Aug 24 2004
   copyright            : (C) 2002-2010 by Ewald Arnold
   email                : mockpp at ewald-arnold dot de

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU Lesser 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 Lesser General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

   *
   *  Original Java Sources:  Copyright (c) 2000-2004, jMock.org
   *

 **/

#ifndef MOCKPP_STUBSEQUENCE_H
#define MOCKPP_STUBSEQUENCE_H

#include <mockpp/mockpp.h> // always first

#include MOCKPP_VECTOR_H

#include <mockpp/stub/Stub.h>
#include <mockpp/compat/Asserter.h>


MOCKPP_NS_START


template <typename R,  // Returntype
          typename I>  // Invocation
class StubSequence : public Stub<R, I>
{
  public:

    template<typename P>
    StubSequence(P start, P end)
      : stubs(start, end)
    {
    }

    virtual ~StubSequence()
    {
      while (!stubs.empty() )
      {
        delete stubs[0];
        stubs.erase(stubs.begin());
      }
    }

    virtual R invoke( const I &invocation )
    {
        if (!stubs.empty())
        {
            MOCKPP_STD_NS::auto_ptr< Stub<R, I> > curr (stubs[0]);
            stubs.erase(stubs.begin());
            return curr->invoke(invocation);
        }
        assertionFailed(__LINE__, __FILE__, MOCKPP_PCHAR("no more stubs available"));
        return R();
    }

    virtual String describeTo( String &buffer ) const
    {
        for (unsigned i = 0; i < stubs.size(); i++)
        {
            if (i > 0)
              buffer += MOCKPP_PCHAR(", and then ");

            buffer = stubs[i]->describeTo(buffer);
        }

        return buffer;
    }

  private:

    // forbid due to pointers
    StubSequence(const StubSequence &);
    StubSequence &operator =(const StubSequence &);

    MOCKPP_STL::vector<Stub<R, I>* >  stubs;
};


MOCKPP_NS_END


#endif // MOCKPP_STUBSEQUENCE_H

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