Examples of java.beans.VetoableChangeSupport.removeVetoableChangeListener()

java.beans.VetoableChangeSupport.removeVetoableChangeListener()
Remove a VetoableChangeListener from the listener list. This removes a VetoableChangeListener that was registered for all properties. If listener was added more than once to the same event source, it will be notified one less time after being removed. If listener is null, or was never added, no exception is thrown and no action is taken. @param listener The VetoableChangeListener to be removed

            VetoableChangeListenerProxy wrappers = (VetoableChangeListenerProxy) listeners1[0];
            assertSame(proxy, wrappers.getListener());
            assertEquals(propertyName, wrappers.getPropertyName());
        }
        // add test for remove proxy
        support.removeVetoableChangeListener(listenerProxy);
        {
            VetoableChangeListener[] listeners1 = support
                    .getVetoableChangeListeners();
            VetoableChangeListener[] listeners2 = support
                    .getVetoableChangeListeners(propertyName);

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        support.addVetoableChangeListener(null);


        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners().length);


        support.removeVetoableChangeListener(null);


        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(0, support.getVetoableChangeListeners().length);
    }

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        String propertyName = "label";
        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners().length);


        support.removeVetoableChangeListener(proxy);


        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(0, support.getVetoableChangeListeners().length);
    }

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        String propertyName = "label";
        support.addVetoableChangeListener(propertyName, proxy);
        assertTrue(support.hasListeners(propertyName));


        support.removeVetoableChangeListener(propertyName, proxy);
        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(0, support.getVetoableChangeListeners().length);
    }

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        support.addVetoableChangeListener(propertyName, proxy);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(2, support.getVetoableChangeListeners(propertyName).length);


        support.removeVetoableChangeListener(propertyName, proxy);
        assertTrue(support.hasListeners(propertyName));
        assertEquals(1, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
    }

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        support.addVetoableChangeListener(propertyName, proxy2);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(2, support.getVetoableChangeListeners(propertyName).length);


        support.removeVetoableChangeListener(propertyName, proxy);
        assertTrue(support.hasListeners(propertyName));
        assertEquals(1, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
        assertSame(proxy2, support.getVetoableChangeListeners(propertyName)[0]);
    }

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        support.addVetoableChangeListener(propertyName, proxy);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(1, support.getVetoableChangeListeners(propertyName).length);


        support.removeVetoableChangeListener(propertyName, proxy2);
        assertTrue(support.hasListeners(propertyName));
        assertEquals(1, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
    }

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        support.addVetoableChangeListener(propertyName, null);


        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);


        support.removeVetoableChangeListener(propertyName, proxy);
        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(0, support.getVetoableChangeListeners().length);
    }

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        String propertyName = "label";
        support.addVetoableChangeListener(proxy);
        assertTrue(support.hasListeners(propertyName));


        support.removeVetoableChangeListener(propertyName, proxy);
        assertTrue(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
    }

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                VetoableChangeListener.class, source, "setText");


        String propertyName = "label";
        support.addVetoableChangeListener(propertyName, proxy);
        assertTrue(support.hasListeners(propertyName));
            support.removeVetoableChangeListener(null, proxy);
    }


    /*
     * propertyname is invalid
     */

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