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package jrummikub.util;

import org.junit.Test;
import static org.junit.Assert.*;

public class EventTest {
  boolean fired, fired2;

  @Test
  public void singleListener() {
    fired = false;
    Event testEvent = new Event();
    testEvent.add(new IListener() {

      @Override
      public void fire() {
        fired = true;

      }
    });
    assertFalse(fired);
    testEvent.fire();
    assertTrue(fired);
    fired = false;
    testEvent.fire();
    assertTrue(fired);
  }

  @Test
  public void twoListeners() {
    fired = false;
    fired2 = false;
    Event testEvent = new Event();
    testEvent.add(new IListener() {

      @Override
      public void fire() {
        fired = true;

      }
    });
    testEvent.add(new IListener() {

      @Override
      public void fire() {
        fired2 = true;

      }
    });
    assertFalse(fired);
    assertFalse(fired2);
    testEvent.fire();
    assertTrue(fired);
    assertTrue(fired2);

  }

  @Test
  public void removeListener() {
    fired = false;
    Event testEvent = new Event();
    testEvent.add(new IListener() {

      @Override
      public void fire() {
        fired = true;

      }
    });
    IListener rem = new IListener() {

      @Override
      public void fire() {
        fail();
      }
    };
    testEvent.add(rem);
    testEvent.remove(rem);
    testEvent.fire();
    assertTrue(fired);
  }

}