| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed 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.libcore.net.event; |
| |
| import junit.framework.TestCase; |
| |
| import libcore.net.event.NetworkEventDispatcher; |
| import libcore.net.event.NetworkEventListener; |
| |
| /** |
| * Tests for {@link NetworkEventDispatcher}. |
| */ |
| public class NetworkEventDispatcherTest extends TestCase { |
| |
| public void testGetInstance_isSingleton() { |
| assertSame(NetworkEventDispatcher.getInstance(), NetworkEventDispatcher.getInstance()); |
| } |
| |
| public void testAddListener_null() throws Exception { |
| NetworkEventDispatcher networkEventDispatcher = new NetworkEventDispatcher(); |
| try { |
| networkEventDispatcher.addListener(null); |
| fail(); |
| } catch (NullPointerException expected) { |
| } |
| } |
| |
| public void testOnNetworkConfigurationChanged_noListeners() throws Exception { |
| NetworkEventDispatcher networkEventDispatcher = new NetworkEventDispatcher(); |
| networkEventDispatcher.dispatchNetworkConfigurationChange(); |
| } |
| |
| public void testFireNetworkEvent_oneListener() throws Exception { |
| FakeNetworkEventListener listener = new FakeNetworkEventListener(); |
| NetworkEventDispatcher networkEventDispatcher = new NetworkEventDispatcher(); |
| networkEventDispatcher.addListener(listener); |
| |
| networkEventDispatcher.dispatchNetworkConfigurationChange(); |
| |
| listener.assertNetworkConfigurationChangedEvent(1); |
| } |
| |
| public void testRemoveEventListener() throws Exception { |
| FakeNetworkEventListener listener = new FakeNetworkEventListener(); |
| NetworkEventDispatcher networkEventDispatcher = new NetworkEventDispatcher(); |
| networkEventDispatcher.addListener(listener); |
| networkEventDispatcher.removeListener(listener); |
| |
| networkEventDispatcher.dispatchNetworkConfigurationChange(); |
| |
| listener.assertNetworkConfigurationChangedEvent(0); |
| } |
| |
| private static class FakeNetworkEventListener extends NetworkEventListener { |
| |
| private int networkConfigurationChangedCount; |
| |
| @Override |
| public void onNetworkConfigurationChanged() { |
| networkConfigurationChangedCount++; |
| } |
| |
| public void assertNetworkConfigurationChangedEvent(int expectedCount) { |
| assertEquals(expectedCount, networkConfigurationChangedCount); |
| } |
| } |
| } |