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/*
* Copyright (C) 2016 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 com.android.server.wifi;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import android.os.IBinder;
import android.os.RemoteException;
import androidx.test.filters.SmallTest;
import com.android.internal.app.IBatteryStats;
import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
/**
* Unit tests for {@link com.android.server.wifi.WifiConfigStoreData}.
*/
@SmallTest
public class WifiMulticastLockManagerTest {
private static final String WL_1_TAG = "Wakelock-1";
private static final String WL_2_TAG = "Wakelock-2";
@Mock WifiMulticastLockManager.FilterController mHandler;
@Mock IBatteryStats mBatteryStats;
WifiMulticastLockManager mManager;
/**
* Initialize |WifiMulticastLockManager| instance before each test.
*/
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mManager = new WifiMulticastLockManager(mHandler, mBatteryStats);
}
/**
* Test behavior when no locks are held.
*/
@Test
public void noLocks() {
assertFalse(mManager.isMulticastEnabled());
mManager.initializeFiltering();
verify(mHandler, times(1)).startFilteringMulticastPackets();
}
/**
* Test behavior when one lock is aquired then released.
*/
@Test
public void oneLock() throws RemoteException {
IBinder binder = mock(IBinder.class);
mManager.acquireLock(binder, WL_1_TAG);
assertTrue(mManager.isMulticastEnabled());
verify(mHandler).stopFilteringMulticastPackets();
mManager.initializeFiltering();
verify(mHandler, times(0)).startFilteringMulticastPackets();
verify(mBatteryStats).noteWifiMulticastEnabled(anyInt());
verify(mBatteryStats, times(0)).noteWifiMulticastDisabled(anyInt());
mManager.releaseLock(WL_1_TAG);
verify(mBatteryStats).noteWifiMulticastDisabled(anyInt());
assertFalse(mManager.isMulticastEnabled());
}
/**
* Test behavior when one lock is aquired then released with the wrong tag.
*/
@Test
public void oneLock_wrongName() throws RemoteException {
IBinder binder = mock(IBinder.class);
mManager.acquireLock(binder, WL_1_TAG);
assertTrue(mManager.isMulticastEnabled());
verify(mHandler).stopFilteringMulticastPackets();
mManager.initializeFiltering();
verify(mHandler, never()).startFilteringMulticastPackets();
verify(mBatteryStats).noteWifiMulticastEnabled(anyInt());
verify(mBatteryStats, never()).noteWifiMulticastDisabled(anyInt());
mManager.releaseLock(WL_2_TAG);
verify(mBatteryStats, never()).noteWifiMulticastDisabled(anyInt());
assertTrue(mManager.isMulticastEnabled());
}
/**
* Test behavior when multiple locks are aquired then released in nesting order.
*/
@Test
public void multipleLocksInOrder() throws RemoteException {
IBinder binder = mock(IBinder.class);
InOrder inOrderHandler = inOrder(mHandler);
InOrder inOrderBatteryStats = inOrder(mBatteryStats);
mManager.acquireLock(binder, WL_1_TAG);
inOrderHandler.verify(mHandler).stopFilteringMulticastPackets();
inOrderBatteryStats.verify(mBatteryStats).noteWifiMulticastEnabled(anyInt());
assertTrue(mManager.isMulticastEnabled());
mManager.acquireLock(binder, WL_2_TAG);
inOrderHandler.verify(mHandler).stopFilteringMulticastPackets();
inOrderBatteryStats.verify(mBatteryStats).noteWifiMulticastEnabled(anyInt());
assertTrue(mManager.isMulticastEnabled());
mManager.initializeFiltering();
inOrderHandler.verify(mHandler, never()).startFilteringMulticastPackets();
mManager.releaseLock(WL_2_TAG);
inOrderHandler.verify(mHandler, never()).startFilteringMulticastPackets();
inOrderBatteryStats.verify(mBatteryStats).noteWifiMulticastDisabled(anyInt());
assertTrue(mManager.isMulticastEnabled());
mManager.releaseLock(WL_1_TAG);
inOrderHandler.verify(mHandler).startFilteringMulticastPackets();
inOrderBatteryStats.verify(mBatteryStats).noteWifiMulticastDisabled(anyInt());
assertFalse(mManager.isMulticastEnabled());
}
/**
* Test behavior when multiple locks are aquired then released out of nesting order.
*/
@Test
public void multipleLocksOutOfOrder() throws RemoteException {
IBinder binder = mock(IBinder.class);
InOrder inOrderHandler = inOrder(mHandler);
InOrder inOrderBatteryStats = inOrder(mBatteryStats);
mManager.acquireLock(binder, WL_1_TAG);
inOrderHandler.verify(mHandler).stopFilteringMulticastPackets();
inOrderBatteryStats.verify(mBatteryStats).noteWifiMulticastEnabled(anyInt());
assertTrue(mManager.isMulticastEnabled());
mManager.acquireLock(binder, WL_2_TAG);
inOrderHandler.verify(mHandler).stopFilteringMulticastPackets();
inOrderBatteryStats.verify(mBatteryStats).noteWifiMulticastEnabled(anyInt());
assertTrue(mManager.isMulticastEnabled());
mManager.initializeFiltering();
inOrderHandler.verify(mHandler, never()).startFilteringMulticastPackets();
mManager.releaseLock(WL_1_TAG);
inOrderHandler.verify(mHandler, never()).startFilteringMulticastPackets();
inOrderBatteryStats.verify(mBatteryStats).noteWifiMulticastDisabled(anyInt());
assertTrue(mManager.isMulticastEnabled());
mManager.releaseLock(WL_2_TAG);
inOrderHandler.verify(mHandler).startFilteringMulticastPackets();
inOrderBatteryStats.verify(mBatteryStats).noteWifiMulticastDisabled(anyInt());
assertFalse(mManager.isMulticastEnabled());
}
}
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