| /* |
| * Copyright (C) 2017 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.am; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.app.ActivityManagerInternal; |
| import android.os.SystemClock; |
| |
| import androidx.test.filters.MediumTest; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| /** |
| * Test class for {@link ActivityManagerInternal}. |
| * |
| * Build/Install/Run: |
| * atest FrameworksServicesTests:ActivityManagerInternalTest |
| */ |
| public class ActivityManagerInternalTest { |
| private static final int TEST_UID1 = 111; |
| private static final int TEST_UID2 = 112; |
| |
| private static final long TEST_PROC_STATE_SEQ1 = 1111; |
| private static final long TEST_PROC_STATE_SEQ2 = 1112; |
| private static final long TEST_PROC_STATE_SEQ3 = 1113; |
| |
| @Mock private ActivityManagerService.Injector mMockInjector; |
| |
| private ActivityManagerService mAms; |
| private ActivityManagerInternal mAmi; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| |
| mAms = new ActivityManagerService(mMockInjector); |
| mAmi = mAms.new LocalService(); |
| } |
| |
| @MediumTest |
| @Test |
| public void testNotifyNetworkPolicyRulesUpdated() throws Exception { |
| // Check there is no crash when there are no active uid records. |
| mAmi.notifyNetworkPolicyRulesUpdated(TEST_UID1, TEST_PROC_STATE_SEQ1); |
| |
| // Notify that network policy rules are updated for TEST_UID1 and verify that |
| // UidRecord.lastNetworkUpdateProcStateSeq is updated and any blocked threads are notified. |
| verifyNetworkUpdatedProcStateSeq( |
| TEST_PROC_STATE_SEQ2, // curProcStateSeq |
| TEST_PROC_STATE_SEQ1, // lastNetworkUpdateProcStateSeq |
| TEST_PROC_STATE_SEQ2, // procStateSeq to notify |
| true); // expectNotify |
| |
| // Notify that network policy rules are updated for TEST_UID1 with already handled |
| // procStateSeq and verify that there is no notify call. |
| verifyNetworkUpdatedProcStateSeq( |
| TEST_PROC_STATE_SEQ1, // curProcStateSeq |
| TEST_PROC_STATE_SEQ1, // lastNetworkUpdateProcStateSeq |
| TEST_PROC_STATE_SEQ1, // procStateSeq to notify |
| false); // expectNotify |
| |
| // Notify that network policy rules are updated for TEST_UID1 with procStateSeq older |
| // than it's UidRecord.curProcStateSeq and verify that there is no notify call. |
| verifyNetworkUpdatedProcStateSeq( |
| TEST_PROC_STATE_SEQ3, // curProcStateSeq |
| TEST_PROC_STATE_SEQ1, // lastNetworkUpdateProcStateSeq |
| TEST_PROC_STATE_SEQ2, // procStateSeq to notify |
| false); // expectNotify |
| } |
| |
| private void verifyNetworkUpdatedProcStateSeq(long curProcStateSeq, |
| long lastNetworkUpdatedProcStateSeq, long expectedProcStateSeq, boolean expectNotify) |
| throws Exception { |
| final UidRecord record1 = addActiveUidRecord(TEST_UID1, curProcStateSeq, |
| lastNetworkUpdatedProcStateSeq); |
| final UidRecord record2 = addActiveUidRecord(TEST_UID2, curProcStateSeq, |
| lastNetworkUpdatedProcStateSeq); |
| |
| final CustomThread thread1 = new CustomThread(record1.networkStateLock); |
| thread1.startAndWait("Unexpected state for " + record1); |
| final CustomThread thread2 = new CustomThread(record2.networkStateLock); |
| thread2.startAndWait("Unexpected state for " + record2); |
| |
| mAmi.notifyNetworkPolicyRulesUpdated(TEST_UID1, expectedProcStateSeq); |
| assertEquals(record1 + " should be updated", |
| expectedProcStateSeq, record1.lastNetworkUpdatedProcStateSeq); |
| assertEquals(record2 + " should not be updated", |
| lastNetworkUpdatedProcStateSeq, record2.lastNetworkUpdatedProcStateSeq); |
| |
| if (expectNotify) { |
| thread1.assertTerminated("Unexpected state for " + record1); |
| assertTrue("Threads waiting for network should be notified: " + record1, |
| thread1.mNotified); |
| } else { |
| thread1.assertWaiting("Unexpected state for " + record1); |
| thread1.interrupt(); |
| } |
| thread2.assertWaiting("Unexpected state for " + record2); |
| thread2.interrupt(); |
| |
| mAms.mProcessList.mActiveUids.clear(); |
| } |
| |
| private UidRecord addActiveUidRecord(int uid, long curProcStateSeq, |
| long lastNetworkUpdatedProcStateSeq) { |
| final UidRecord record = new UidRecord(uid, null /* atmInternal */); |
| record.lastNetworkUpdatedProcStateSeq = lastNetworkUpdatedProcStateSeq; |
| record.curProcStateSeq = curProcStateSeq; |
| record.waitingForNetwork = true; |
| mAms.mProcessList.mActiveUids.put(uid, record); |
| return record; |
| } |
| |
| static class CustomThread extends Thread { |
| private static final long WAIT_TIMEOUT_MS = 1000; |
| private static final long WAIT_INTERVAL_MS = 100; |
| |
| private final Object mLock; |
| private Runnable mRunnable; |
| public boolean mNotified; |
| |
| CustomThread(Object lock) { |
| mLock = lock; |
| } |
| |
| CustomThread(Object lock, Runnable runnable) { |
| super(runnable); |
| mLock = lock; |
| mRunnable = runnable; |
| } |
| |
| @SuppressWarnings("WaitNotInLoop") |
| @Override |
| public void run() { |
| if (mRunnable != null) { |
| mRunnable.run(); |
| } else { |
| synchronized (mLock) { |
| try { |
| mLock.wait(); |
| } catch (InterruptedException e) { |
| Thread.interrupted(); |
| } |
| } |
| } |
| mNotified = !Thread.interrupted(); |
| } |
| |
| public void startAndWait(String errMsg) throws Exception { |
| startAndWait(errMsg, false); |
| } |
| |
| public void startAndWait(String errMsg, boolean timedWaiting) throws Exception { |
| start(); |
| final long endTime = SystemClock.elapsedRealtime() + WAIT_TIMEOUT_MS; |
| final Thread.State stateToReach = timedWaiting |
| ? Thread.State.TIMED_WAITING : Thread.State.WAITING; |
| while (getState() != stateToReach |
| && SystemClock.elapsedRealtime() < endTime) { |
| Thread.sleep(WAIT_INTERVAL_MS); |
| } |
| if (timedWaiting) { |
| assertTimedWaiting(errMsg); |
| } else { |
| assertWaiting(errMsg); |
| } |
| } |
| |
| public void assertWaiting(String errMsg) { |
| assertEquals(errMsg, Thread.State.WAITING, getState()); |
| } |
| |
| public void assertTimedWaiting(String errMsg) { |
| assertEquals(errMsg, Thread.State.TIMED_WAITING, getState()); |
| } |
| |
| public void assertTerminated(String errMsg) throws Exception { |
| final long endTime = SystemClock.elapsedRealtime() + WAIT_TIMEOUT_MS; |
| while (getState() != Thread.State.TERMINATED |
| && SystemClock.elapsedRealtime() < endTime) { |
| Thread.sleep(WAIT_INTERVAL_MS); |
| } |
| assertEquals(errMsg, Thread.State.TERMINATED, getState()); |
| } |
| } |
| } |