Examples of java.beans.beancontext.BeanContextChildSupport.firePropertyChange()

Class java.beans.beancontext.BeanContextChildSupport

Examples of java.beans.beancontext.BeanContextChildSupport.firePropertyChange()

java.beans.beancontext.BeanContextChildSupport.firePropertyChange()
Report a bound property update to any registered listeners. No event is fired if old and new are equal and non-null. @param name The programmatic name of the property that was changed @param oldValue The old value of the property @param newValue The new value of the property


        support.addPropertyChangeListener(propName, l1);
        support.addPropertyChangeListener("xxx", l2);
        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertNull(l1.lastEvent);
        assertNull(l2.lastEvent);
    }


    public void testFirePropertyChange_OldEqualsNew_IsNull() {

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        support.addPropertyChangeListener(propName, l1);
        support.addPropertyChangeListener("xxx", l2);
        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertEquals(propName, l1.lastEvent.getPropertyName());
        assertNull(l1.lastEvent.getOldValue());
        assertNull(l1.lastEvent.getNewValue());
        assertSame(support, l1.lastEvent.getSource());
        assertNull(l2.lastEvent);

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        support.addPropertyChangeListener(propName, l1);
        support.addPropertyChangeListener("xxx", l2);
        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertEquals(propName, l1.lastEvent.getPropertyName());
        assertNull(l1.lastEvent.getOldValue());
        assertNull(l1.lastEvent.getNewValue());
        assertSame(support, l1.lastEvent.getSource());
        assertNull(l2.lastEvent);

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        support.addPropertyChangeListener(propName, l1);
        support.addPropertyChangeListener(propName, l2);
        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertEquals(propName, l1.lastEvent.getPropertyName());
        assertSame(oldValue, l1.lastEvent.getOldValue());
        assertSame(newValue, l1.lastEvent.getNewValue());
        assertSame(support, l1.lastEvent.getSource());
        assertEquals(propName, l2.lastEvent.getPropertyName());

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        assertSame(support, l2.lastEvent.getSource());


        support.removePropertyChangeListener(propName, l1);
        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertNull(l1.lastEvent);
        assertEquals(propName, l2.lastEvent.getPropertyName());
        assertSame(oldValue, l2.lastEvent.getOldValue());
        assertSame(newValue, l2.lastEvent.getNewValue());
        assertSame(support, l2.lastEvent.getSource());

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        assertSame(support, l2.lastEvent.getSource());


        support.removePropertyChangeListener(propName, l2);
        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertNull(l1.lastEvent);
        assertNull(l2.lastEvent);


        // remove not-registered listener
        support.removePropertyChangeListener(propName, l1);

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    public void testAddPropertyChangeListener_NullParam() {
        BeanContextChildSupport support = new MockBeanContextChildSupport();
        support.addPropertyChangeListener(null, new MockPropertyChangeListener());
        support.addPropertyChangeListener("property name", null);
        support.firePropertyChange("property name", "old value",
                "new value");
    }


    public void testAddPropertyChangeListener() {
        BeanContextChildSupport support = new MockBeanContextChildSupport();

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        Object oldValue = new Integer(1);
        Object newValue = new Integer(5);


        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertNull(l1.lastEvent);
        assertNull(l2.lastEvent);


        support.addPropertyChangeListener(propName, l1);
        l1.clearLastEvent();

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        assertNull(l2.lastEvent);


        support.addPropertyChangeListener(propName, l1);
        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertEquals(propName, l1.lastEvent.getPropertyName());
        assertSame(oldValue, l1.lastEvent.getOldValue());
        assertSame(newValue, l1.lastEvent.getNewValue());
        assertSame(support, l1.lastEvent.getSource());
        assertNull(l2.lastEvent);

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        assertNull(l2.lastEvent);


        support.addPropertyChangeListener(propName, l2);
        l1.clearLastEvent();
        l2.clearLastEvent();
        support.firePropertyChange(propName, oldValue, newValue);
        assertEquals(propName, l1.lastEvent.getPropertyName());
        assertSame(oldValue, l1.lastEvent.getOldValue());
        assertSame(newValue, l1.lastEvent.getNewValue());
        assertSame(support, l1.lastEvent.getSource());
        assertEquals(propName, l2.lastEvent.getPropertyName());

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