Example usage for org.eclipse.jface.databinding.conformance.util StaleEventTracker StaleEventTracker

Introduction

In this page you can find the example usage for org.eclipse.jface.databinding.conformance.util StaleEventTracker StaleEventTracker.

Prototype

public StaleEventTracker() 

Source Link

Usage

From source file:org.eclipse.core.tests.databinding.observable.AbstractObservableTest.java

License:Open Source License

public void testStaleListener() throws Exception {
    assertFalse(observable.hasListeners());

    StaleEventTracker listener1 = new StaleEventTracker();

    assertFalse(observable.firstListenerAdded);
    observable.addStaleListener(listener1);
    assertTrue(observable.firstListenerAdded);
    observable.firstListenerAdded = false; // reset

    assertTrue(observable.hasListeners());
    assertEquals(0, listener1.count);/*from  w ww .  j  a v a2  s .c  o m*/

    observable.fireStale();

    assertEquals(1, listener1.count);
    assertSame(observable, listener1.event.getObservable());

    // Add a second stale listener as 1 vs. 2 listener code is different.
    StaleEventTracker listener2 = new StaleEventTracker();
    assertEquals(0, listener2.count);
    observable.addStaleListener(listener2);
    observable.fireStale();

    assertEquals(2, listener1.count);
    assertEquals(1, listener2.count);

    // Add a third stale listener as 2 vs. 3 or greater code is different.
    StaleEventTracker listener3 = new StaleEventTracker();
    observable.addStaleListener(listener3);
    assertEquals(0, listener3.count);

    observable.fireStale();

    assertEquals(3, listener1.count);
    assertEquals(2, listener2.count);
    assertEquals(1, listener3.count);

    assertFalse(observable.lastListenerRemoved);
    observable.removeStaleListener(listener1);
    observable.removeStaleListener(listener2);
    observable.removeStaleListener(listener3);
    assertTrue(observable.lastListenerRemoved);

    assertFalse(observable.hasListeners());
}

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From source file:org.eclipse.core.tests.databinding.observable.AbstractObservableTest.java

License:Open Source License

public void testHasListenersWithChangeAndStaleListeners() throws Exception {
    ChangeEventTracker changeListener = new ChangeEventTracker();
    StaleEventTracker staleListener = new StaleEventTracker();

    assertFalse(observable.hasListeners());
    assertFalse(observable.firstListenerAdded);
    assertFalse(observable.lastListenerRemoved);

    observable.addChangeListener(changeListener);
    assertTrue(observable.hasListeners());
    assertTrue(observable.firstListenerAdded);
    assertFalse(observable.lastListenerRemoved);

    // reset/*  w w w .j  a  v  a 2  s  .  c  o  m*/
    observable.firstListenerAdded = false;
    observable.lastListenerRemoved = false;

    observable.addStaleListener(staleListener);
    assertTrue(observable.hasListeners());
    assertFalse(observable.firstListenerAdded);
    assertFalse(observable.lastListenerRemoved);

    observable.removeChangeListener(changeListener);
    assertTrue(observable.hasListeners());
    assertFalse(observable.firstListenerAdded);
    assertFalse(observable.lastListenerRemoved);

    observable.removeStaleListener(staleListener);
    assertFalse(observable.hasListeners());
    assertFalse(observable.firstListenerAdded);
    assertTrue(observable.lastListenerRemoved);
}

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From source file:org.eclipse.core.tests.internal.databinding.observable.UnmodifiableObservableListTest.java

License:Open Source License

public void testFiresStaleEvents() throws Exception {
    StaleEventTracker mutableListener = new StaleEventTracker();
    StaleEventTracker unmodifiableListener = new StaleEventTracker();

    mutable.addStaleListener(mutableListener);
    unmodifiable.addStaleListener(unmodifiableListener);

    assertEquals(0, mutableListener.count);
    assertEquals(0, unmodifiableListener.count);
    mutable.setStale(true);/*  w  w  w . j  a va  2  s.c om*/
    assertEquals(1, mutableListener.count);
    assertEquals(mutable, mutableListener.event.getObservable());
    assertTrue(mutable.isStale());
    assertEquals(1, unmodifiableListener.count);
    assertEquals(unmodifiable, unmodifiableListener.event.getObservable());
    assertTrue(unmodifiable.isStale());
}

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From source file:org.eclipse.core.tests.internal.databinding.observable.UnmodifiableObservableValueTest.java

License:Open Source License

public void testFiresStaleEvents() {
    StaleEventTracker wrappedListener = new StaleEventTracker();
    StaleEventTracker unmodifiableListener = new StaleEventTracker();

    unmodifiable.wrappedValue.addStaleListener(wrappedListener);
    unmodifiable.addStaleListener(unmodifiableListener);

    assertEquals(0, wrappedListener.count);
    assertEquals(0, unmodifiableListener.count);
    unmodifiable.wrappedValue.setStale(true);
    assertEquals(1, wrappedListener.count);
    assertEquals(unmodifiable.wrappedValue, wrappedListener.event.getObservable());
    assertTrue(unmodifiable.wrappedValue.isStale());
    assertEquals(1, unmodifiableListener.count);
    assertEquals(unmodifiable, unmodifiableListener.event.getObservable());
    assertTrue(unmodifiable.isStale());//from   ww  w.  j a va 2  s.  c o  m
}

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