// src/testsuite/test-python_loader.cc - Copyright 2005, 2006, University
//               of Padova, dept. of Pure and Applied
//               Mathematics
//
// This file is part of SGPEMv2.
//
// This 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.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

/* This executable tests for workingness of the PythonPolicyManager
 * class and its closely related cousins. More documentation to be written
 * here, thanks very much. */

#include "backend/pyloader/python_policy_manager.hh"
#include "backend/pyloader/python_policy.hh"
#include "backend/process.hh"
#include "backend/schedulable_status.hh"
#include "backend/schedulable_list.hh"
#include "backend/scheduler.hh"
#include "standard_io.hh"
#include "text_simulation.hh"
#include "templates/smartp.hh"

#include <Python.h>
#include <glibmm/module.h>

#include <cassert>
#include <string>

class TestPythonPolicyManager : public PythonPolicyManager {
public:
  void test_init(const char* policy_name) {
    init();
    PyRun_SimpleString("import sys\n"
		     "sys.path[:0] = [ '" MODDIR "', '" POLDIR "' ]\n");
    _python_policy = std::auto_ptr<PythonPolicy>(new PythonPolicy(policy_name));
  }
};


int
main(int argc, char** argv) {
    using namespace sgpem;
    using Glib::Module;
    
    Glib::thread_init();

    // Create an INITIAL STATE
    Process p1("P1", 0,5,1);
  
    SchedulableStatus ss1(p1);

    SchedulableList initial;
    initial.add_at_bottom(ss1);

    History::get_instance().enqueue_slice(initial);

    Scheduler::get_instance(); // Forces initialization of scheduler.
                               // Cross fingers 
  
    //the textual simulation
    TextSimulation text_sim;
    History::get_instance().attach(&text_sim);
    
    //textual IO
    memory::smart_ptr<IOManager> io(new StandardIO());
    text_sim.add_io_device(io);
    text_sim.update();

    // Self-register itself to Scheduler
    TestPythonPolicyManager polman;

    polman.test_init("python_loader_configure");
    text_sim.run();

    polman.test_init("python_loader_is_preemptive");
    text_sim.run();

    polman.test_init("python_loader_get_time_slice");
    text_sim.run();

    polman.test_init("python_loader_sort_queue");
    text_sim.run();

    exit(0);
}