event-garbage-collector-test-suite.cc

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/*
 * Copyright (c) 2007 INESC Porto
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * 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
 *
 * Author: Gustavo J. A. M. Carneiro  <gjc@inescporto.pt>
 */
 
#include "ns3/event-garbage-collector.h"
#include "ns3/test.h"
 
namespace ns3
{
 
namespace tests
{
 
class EventGarbageCollectorTestCase : public TestCase
{
    int m_counter;                   
    EventGarbageCollector* m_events; 
 
    void EventGarbageCollectorCallback();
 
  public:
    EventGarbageCollectorTestCase();
    ~EventGarbageCollectorTestCase() override;
    void DoRun() override;
};
 
EventGarbageCollectorTestCase::EventGarbageCollectorTestCase()
    : TestCase("EventGarbageCollector"),
      m_counter(0),
      m_events(nullptr)
{
}
 
EventGarbageCollectorTestCase::~EventGarbageCollectorTestCase()
{
}
 
void
EventGarbageCollectorTestCase::EventGarbageCollectorCallback()
{
    m_counter++;
    if (m_counter == 50)
    {
        // this should cause the remaining (50) events to be cancelled
        delete m_events;
        m_events = nullptr;
    }
}
 
void
EventGarbageCollectorTestCase::DoRun()
{
    m_events = new EventGarbageCollector();
 
    for (int n = 0; n < 100; n++)
    {
        m_events->Track(
            Simulator::Schedule(Simulator::Now(),
                                &EventGarbageCollectorTestCase::EventGarbageCollectorCallback,
                                this));
    }
    Simulator::Run();
    NS_TEST_EXPECT_MSG_EQ(m_events, 0, "");
    NS_TEST_EXPECT_MSG_EQ(m_counter, 50, "");
    Simulator::Destroy();
}
 
class EventGarbageCollectorTestSuite : public TestSuite
{
  public:
    EventGarbageCollectorTestSuite()
        : TestSuite("event-garbage-collector")
    {
        AddTestCase(new EventGarbageCollectorTestCase());
    }
};
 
static EventGarbageCollectorTestSuite g_eventGarbageCollectorTestSuite;
 
} // namespace tests
 
} // namespace ns3