Examples with PreferenceStore org.eclipse.jface.preference.PreferenceStore used on opensource projects

Example 11 with PreferenceStore

use of org.eclipse.jface.preference.PreferenceStore in project eclipse.platform.text by eclipse.

the class ChainedPreferenceStoreTest method testChainedStore2.

/**
 * Third case where the initial implementation used to have an assertion which would fail in this case
 */
@Test
public void testChainedStore2() {
    IPreferenceStore store1 = new PreferenceStore();
    IPreferenceStore store2 = new PreferenceStore();
    IPreferenceStore chainedStore = new ChainedPreferenceStore(new IPreferenceStore[] { store1, store2 });
    store1.setValue(PROPERTY, VALUE);
    chainedStore.addPropertyChangeListener(fPropertyChangeListener);
    // simulated change with newValue == null
    store1.firePropertyChangeEvent(PROPERTY, DEFAULT_VALUE, null);
    chainedStore.removePropertyChangeListener(fPropertyChangeListener);
    assertEquals(1, fEvents.size());
    PropertyChangeEvent event = fEvents.get(0);
    assertEquals(store1, event.getSource());
    assertEquals(PROPERTY, event.getProperty());
    assertEquals(DEFAULT_VALUE, event.getOldValue());
    assertEquals(null, event.getNewValue());
}