command-basic-test.cpp

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/*
  CommandBasic(Test)  -  checking simple SteamDispatcher command definition and execution

   Copyright (C)
     2009,            Hermann Vosseler <Ichthyostega@web.de>

  **Lumiera** 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. See the file COPYING for further details.

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

#include "lib/test/run.hpp"
#include "steam/control/command-def.hpp"
#include "lib/time/timevalue.hpp"
#include "lib/p.hpp"


namespace steam {
namespace control {
namespace test    {
  
  using lib::P;
  using lib::makeP;
  using lib::time::Time;
  using lib::time::TimeVar;
  using lib::time::TimeValue;
  using lib::time::Offset;
  
  
  
  
  
  namespace  { // functions to be invoked through the command system
    
    void
    operate (P<TimeVar> dummyObj, int randVal)
    {
      *dummyObj += TimeValue(randVal);
    }
    
    Offset
    capture (P<TimeVar> dummyObj, int)
    {
      return Offset{*dummyObj};
    }
    
    void
    undoIt (P<TimeVar> dummyObj, int, Offset oldVal)
    {
      *dummyObj = oldVal;
    }
  
  }
  
  
  
  /***********************************************************************/
  class CommandBasic_test : public Test
    {
      
      virtual void
      run (Arg) 
        {
          seedRand();
          int randVal{rani(10) - 5};
          Time five(TimeValue(5));
          TimeValue randomTime(randVal);
          auto obj = makeP<TimeVar>(five);
          
          CommandDef ("test.command1")
              .operation (operate)
              .captureUndo (capture)
              .undoOperation (undoIt)
              .bind (obj, randVal)
              ;
          
          
          Command ourCmd = Command::get("test.command1");
          
          // invoke the command
          CHECK (*obj == five);
          ourCmd();
          CHECK (*obj == five + randomTime);
          
          // undo the effect of the command
          ourCmd.undo();
          CHECK (*obj == five);
        }
    };
  
  
  LAUNCHER (CommandBasic_test, "unit controller");
  
  
}}} // namespace steam::control::test