| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package libcore.java.util.prefs; |
| |
| import java.util.prefs.AbstractPreferences; |
| import java.util.prefs.PreferenceChangeEvent; |
| import java.util.prefs.PreferenceChangeListener; |
| import java.util.prefs.Preferences; |
| import junit.framework.TestCase; |
| |
| public final class OldPreferenceChangeEventTest extends TestCase { |
| |
| public void testGetKey() { |
| AbstractPreferences parent = (AbstractPreferences) Preferences |
| .userNodeForPackage(Preferences.class); |
| |
| AbstractPreferences pref = (AbstractPreferences) parent.node("mock"); |
| |
| MockPreferenceChangeListener pl = new MockPreferenceChangeListener() { |
| public void preferenceChange(PreferenceChangeEvent pce) { |
| if (pce != null && pce.getKey().equals("key_int")) { |
| result = true; |
| } |
| super.preferenceChange(pce); |
| } |
| }; |
| pref.addPreferenceChangeListener(pl); |
| try { |
| pref.putInt("key_int", Integer.MAX_VALUE); |
| assertEquals(1, pl.getChanged()); |
| assertTrue(pl.getResult()); |
| pl.reset(); |
| } finally { |
| pref.removePreferenceChangeListener(pl); |
| } |
| } |
| |
| public void testGetNewValue() { |
| AbstractPreferences parent = (AbstractPreferences) Preferences |
| .userNodeForPackage(Preferences.class); |
| |
| AbstractPreferences pref = (AbstractPreferences) parent.node("mock"); |
| |
| MockPreferenceChangeListener pl = new MockPreferenceChangeListener() { |
| public void preferenceChange(PreferenceChangeEvent pce) { |
| if (pce != null && pce.getNewValue().equals(Integer.toString(Integer.MAX_VALUE))) { |
| result = true; |
| } |
| super.preferenceChange(pce); |
| } |
| }; |
| pref.addPreferenceChangeListener(pl); |
| try { |
| pref.putInt("key_int", Integer.MAX_VALUE); |
| assertEquals(1, pl.getChanged()); |
| assertTrue(pl.getResult()); |
| pl.reset(); |
| |
| pref.putInt("key_int", Integer.MAX_VALUE); |
| assertEquals(1, pl.getChanged()); |
| assertTrue(pl.getResult()); |
| pl.reset(); |
| } finally { |
| pref.removePreferenceChangeListener(pl); |
| } |
| } |
| |
| public void testGetNode() { |
| AbstractPreferences parent = (AbstractPreferences) Preferences |
| .userNodeForPackage(Preferences.class); |
| |
| AbstractPreferences pref = (AbstractPreferences) parent.node("mock"); |
| |
| MockPreferenceChangeListener pl = new MockPreferenceChangeListener() { |
| public void preferenceChange(PreferenceChangeEvent pce) { |
| if (pce != null && "mock".equals(pce.getNode().name())) { |
| result = true; |
| } |
| super.preferenceChange(pce); |
| } |
| }; |
| pref.addPreferenceChangeListener(pl); |
| try { |
| pref.putInt("key_int", Integer.MAX_VALUE); |
| assertEquals(1, pl.getChanged()); |
| assertTrue(pl.getResult()); |
| pl.reset(); |
| } finally { |
| pref.removePreferenceChangeListener(pl); |
| } |
| } |
| |
| private static class MockPreferenceChangeListener implements PreferenceChangeListener { |
| private int changed = 0; |
| private boolean addDispatched = false; |
| protected boolean result = false; |
| |
| public synchronized void waitForEvent() { |
| try { |
| wait(500); |
| } catch (InterruptedException expected) { |
| } |
| } |
| |
| public synchronized void preferenceChange(PreferenceChangeEvent pce) { |
| changed++; |
| addDispatched = true; |
| notifyAll(); |
| } |
| |
| public synchronized boolean getResult() { |
| if (!addDispatched) { |
| try { |
| // TODO: don't know why must add limitation |
| this.wait(100); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| } |
| addDispatched = false; |
| return result; |
| } |
| |
| public synchronized int getChanged() { |
| if (!addDispatched) { |
| try { |
| // TODO: don't know why must add limitation |
| this.wait(1000); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| } |
| addDispatched = false; |
| return changed; |
| } |
| |
| public void reset() { |
| changed = 0; |
| result = false; |
| } |
| } |
| } |