Merge "Mock resources used directly by LockdownVpnTracker."
diff --git a/TEST_MAPPING b/TEST_MAPPING
index b1e6a9f..a5b97a1 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -19,6 +19,9 @@
]
},
{
+ "name": "bpf_existence_test"
+ },
+ {
"name": "netd_updatable_unit_test"
},
{
@@ -41,10 +44,6 @@
{
"name": "TetheringPrivilegedTests"
},
- // TODO: move to presubmit when known green.
- {
- "name": "bpf_existence_test"
- },
{
"name": "netd_updatable_unit_test",
"keywords": ["netd-device-kernel-4.9", "netd-device-kernel-4.14"]
@@ -76,6 +75,9 @@
]
},
{
+ "name": "bpf_existence_test[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]"
+ },
+ {
"name": "netd_updatable_unit_test[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]"
},
{
@@ -128,10 +130,6 @@
},
{
"name": "TetheringCoverageTests[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]"
- },
- // TODO: move to mainline-presubmit when known green.
- {
- "name": "bpf_existence_test[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]"
}
],
"auto-postsubmit": [
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 1b57c27..c90fcd5 100644
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -3873,7 +3873,7 @@
ConnectivityReportEvent reportEvent =
new ConnectivityReportEvent(p.timestampMillis, nai, extras);
final Message m = mConnectivityDiagnosticsHandler.obtainMessage(
- ConnectivityDiagnosticsHandler.EVENT_NETWORK_TESTED, reportEvent);
+ ConnectivityDiagnosticsHandler.CMD_SEND_CONNECTIVITY_REPORT, reportEvent);
mConnectivityDiagnosticsHandler.sendMessage(m);
}
@@ -9598,14 +9598,12 @@
/**
* Event for {@link NetworkStateTrackerHandler} to trigger ConnectivityReport callbacks
- * after processing {@link #EVENT_NETWORK_TESTED} events.
+ * after processing {@link #CMD_SEND_CONNECTIVITY_REPORT} events.
* obj = {@link ConnectivityReportEvent} representing ConnectivityReport info reported from
* NetworkMonitor.
* data = PersistableBundle of extras passed from NetworkMonitor.
- *
- * <p>See {@link ConnectivityService#EVENT_NETWORK_TESTED}.
*/
- private static final int EVENT_NETWORK_TESTED = ConnectivityService.EVENT_NETWORK_TESTED;
+ private static final int CMD_SEND_CONNECTIVITY_REPORT = 3;
/**
* Event for NetworkMonitor to inform ConnectivityService that a potential data stall has
@@ -9643,7 +9641,7 @@
(IConnectivityDiagnosticsCallback) msg.obj, msg.arg1);
break;
}
- case EVENT_NETWORK_TESTED: {
+ case CMD_SEND_CONNECTIVITY_REPORT: {
final ConnectivityReportEvent reportEvent =
(ConnectivityReportEvent) msg.obj;
@@ -10713,8 +10711,9 @@
final String iface = networkAgent.linkProperties.getInterfaceName();
if (iface == null) {
- // This can never happen.
- logwtf("canNetworkBeRateLimited: LinkProperties#getInterfaceName returns null");
+ // This may happen in tests, but if there is no interface then there is nothing that
+ // can be rate limited.
+ loge("canNetworkBeRateLimited: LinkProperties#getInterfaceName returns null");
return false;
}
return true;
diff --git a/tests/cts/net/src/android/net/cts/RateLimitTest.java b/tests/cts/net/src/android/net/cts/RateLimitTest.java
new file mode 100644
index 0000000..5f9e0f3
--- /dev/null
+++ b/tests/cts/net/src/android/net/cts/RateLimitTest.java
@@ -0,0 +1,307 @@
+/*
+ * Copyright (C) 2022 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 android.net.cts;
+
+import static android.Manifest.permission.MANAGE_TEST_NETWORKS;
+import static android.system.OsConstants.IPPROTO_IP;
+import static android.system.OsConstants.IPPROTO_UDP;
+
+import static androidx.test.InstrumentationRegistry.getContext;
+
+import static com.android.net.module.util.NetworkStackConstants.ETHER_MTU;
+import static com.android.net.module.util.NetworkStackConstants.IPV4_ADDR_ANY;
+import static com.android.testutils.DevSdkIgnoreRuleKt.SC_V2;
+import static com.android.testutils.TestPermissionUtil.runAsShell;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import android.content.Context;
+import android.icu.text.MessageFormat;
+import android.net.ConnectivityManager;
+import android.net.ConnectivitySettingsManager;
+import android.net.InetAddresses;
+import android.net.IpPrefix;
+import android.net.LinkAddress;
+import android.net.LinkProperties;
+import android.net.Network;
+import android.net.NetworkAgentConfig;
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
+import android.net.RouteInfo;
+import android.net.TestNetworkInterface;
+import android.net.TestNetworkManager;
+import android.net.TestNetworkSpecifier;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.SystemClock;
+import android.platform.test.annotations.AppModeFull;
+import android.system.Os;
+import android.util.Log;
+
+import com.android.compatibility.common.util.SystemUtil;
+import com.android.net.module.util.PacketBuilder;
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
+import com.android.testutils.TestableNetworkAgent;
+import com.android.testutils.TestableNetworkCallback;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.Inet4Address;
+import java.net.InetAddress;
+import java.net.SocketTimeoutException;
+import java.nio.ByteBuffer;
+import java.time.Duration;
+import java.util.Arrays;
+
+@AppModeFull(reason = "Instant apps cannot access /dev/tun, so createTunInterface fails")
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(SC_V2)
+public class RateLimitTest {
+ private static final String TAG = "RateLimitTest";
+ private static final LinkAddress LOCAL_IP4_ADDR = new LinkAddress("10.0.0.1/8");
+ private static final InetAddress REMOTE_IP4_ADDR = InetAddresses.parseNumericAddress("8.8.8.8");
+ private static final short TEST_UDP_PORT = 1234;
+ private static final byte TOS = 0;
+ private static final short ID = 27149;
+ private static final short DONT_FRAG_FLAG_MASK = (short) 0x4000; // flags=DF, offset=0
+ private static final byte TIME_TO_LIVE = 64;
+ private static final byte[] PAYLOAD = new byte[1472];
+
+ private Handler mHandler;
+ private Context mContext;
+ private TestNetworkManager mNetworkManager;
+ private TestNetworkInterface mTunInterface;
+ private ConnectivityManager mCm;
+ private TestNetworkSpecifier mNetworkSpecifier;
+ private NetworkCapabilities mNetworkCapabilities;
+ private TestableNetworkCallback mNetworkCallback;
+ private LinkProperties mLinkProperties;
+ private TestableNetworkAgent mNetworkAgent;
+ private Network mNetwork;
+ private DatagramSocket mSocket;
+
+ @Before
+ public void setUp() throws IOException {
+ mHandler = new Handler(Looper.getMainLooper());
+
+ runAsShell(MANAGE_TEST_NETWORKS, () -> {
+ mContext = getContext();
+
+ mNetworkManager = mContext.getSystemService(TestNetworkManager.class);
+ mTunInterface = mNetworkManager.createTunInterface(Arrays.asList(LOCAL_IP4_ADDR));
+ });
+
+ mCm = mContext.getSystemService(ConnectivityManager.class);
+ mNetworkSpecifier = new TestNetworkSpecifier(mTunInterface.getInterfaceName());
+ mNetworkCapabilities = new NetworkCapabilities.Builder()
+ .addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_VCN_MANAGED)
+ .addTransportType(NetworkCapabilities.TRANSPORT_TEST)
+ .setNetworkSpecifier(mNetworkSpecifier).build();
+ mNetworkCallback = new TestableNetworkCallback();
+
+ mCm.requestNetwork(
+ new NetworkRequest.Builder()
+ .removeCapability(NetworkCapabilities.NET_CAPABILITY_TRUSTED)
+ .addTransportType(NetworkCapabilities.TRANSPORT_TEST)
+ .setNetworkSpecifier(mNetworkSpecifier)
+ .build(),
+ mNetworkCallback);
+
+ mLinkProperties = new LinkProperties();
+ mLinkProperties.addLinkAddress(LOCAL_IP4_ADDR);
+ mLinkProperties.setInterfaceName(mTunInterface.getInterfaceName());
+ mLinkProperties.addRoute(
+ new RouteInfo(new IpPrefix(IPV4_ADDR_ANY, 0), null,
+ mTunInterface.getInterfaceName()));
+
+
+ runAsShell(MANAGE_TEST_NETWORKS, () -> {
+ mNetworkAgent = new TestableNetworkAgent(mContext, mHandler.getLooper(),
+ mNetworkCapabilities, mLinkProperties,
+ new NetworkAgentConfig.Builder().setExplicitlySelected(
+ true).setUnvalidatedConnectivityAcceptable(true).build());
+
+ mNetworkAgent.register();
+ mNetworkAgent.markConnected();
+ });
+
+ mNetwork = mNetworkAgent.getNetwork();
+ mNetworkCallback.expectAvailableThenValidatedCallbacks(mNetwork, 5_000);
+ mSocket = new DatagramSocket(TEST_UDP_PORT);
+ mSocket.setSoTimeout(1_000);
+ mNetwork.bindSocket(mSocket);
+ }
+
+ @After
+ public void tearDown() throws IOException {
+ // whatever happens, don't leave the device in rate limited state.
+ ConnectivitySettingsManager.setIngressRateLimitInBytesPerSecond(mContext, -1);
+ mSocket.close();
+ mNetworkAgent.unregister();
+ mTunInterface.getFileDescriptor().close();
+ mCm.unregisterNetworkCallback(mNetworkCallback);
+ }
+
+ private void assertGreaterThan(final String msg, long lhs, long rhs) {
+ assertTrue(msg + " -- Failed comparison: " + lhs + " > " + rhs, lhs > rhs);
+ }
+
+ private void assertLessThan(final String msg, long lhs, long rhs) {
+ assertTrue(msg + " -- Failed comparison: " + lhs + " < " + rhs, lhs < rhs);
+ }
+
+ private static void sendPacketsToTunInterfaceForDuration(final TestNetworkInterface iface,
+ final Duration duration) throws Exception {
+ final ByteBuffer buffer = PacketBuilder.allocate(false, IPPROTO_IP, IPPROTO_UDP,
+ PAYLOAD.length);
+ final PacketBuilder builder = new PacketBuilder(buffer);
+ builder.writeIpv4Header(TOS, ID, DONT_FRAG_FLAG_MASK, TIME_TO_LIVE,
+ (byte) IPPROTO_UDP, (Inet4Address) REMOTE_IP4_ADDR,
+ (Inet4Address) LOCAL_IP4_ADDR.getAddress());
+ builder.writeUdpHeader((short) TEST_UDP_PORT, (short) TEST_UDP_PORT);
+ buffer.put(PAYLOAD);
+ builder.finalizePacket();
+
+ // write packets to the tun fd as fast as possible for duration.
+ long endMillis = SystemClock.elapsedRealtime() + duration.toMillis();
+ while (SystemClock.elapsedRealtime() < endMillis) {
+ Os.write(iface.getFileDescriptor().getFileDescriptor(), buffer.array(), 0,
+ buffer.limit());
+ }
+ }
+
+ private static class RateMeasurementSocketReader extends Thread {
+ private volatile boolean mIsRunning = false;
+ private DatagramSocket mSocket;
+ private long mStartMillis = 0;
+ private long mStopMillis = 0;
+ private long mBytesReceived = 0;
+
+ RateMeasurementSocketReader(DatagramSocket socket) throws Exception {
+ mSocket = socket;
+ }
+
+ public void startTest() {
+ mIsRunning = true;
+ start();
+ }
+
+ public long stopAndGetResult() throws Exception {
+ mIsRunning = false;
+ join();
+
+ final long durationMillis = mStopMillis - mStartMillis;
+ return (long) ((double) mBytesReceived / (durationMillis / 1000.0));
+ }
+
+ @Override
+ public void run() {
+ // Since the actual data is not used, the buffer can just be recycled.
+ final byte[] recvBuf = new byte[ETHER_MTU];
+ final DatagramPacket receivedPacket = new DatagramPacket(recvBuf, recvBuf.length);
+ while (mIsRunning) {
+ try {
+ mSocket.receive(receivedPacket);
+
+ // don't start the test until after the first packet is received and increment
+ // mBytesReceived starting with the second packet.
+ long time = SystemClock.elapsedRealtime();
+ if (mStartMillis == 0) {
+ mStartMillis = time;
+ } else {
+ mBytesReceived += receivedPacket.getLength();
+ }
+ // there may not be another packet, update the stop time on every iteration.
+ mStopMillis = time;
+ } catch (SocketTimeoutException e) {
+ // sender has stopped sending data, do nothing and return.
+ } catch (IOException e) {
+ Log.e(TAG, "socket receive failed", e);
+ }
+ }
+ }
+ }
+
+ private long runIngressDataRateMeasurement(final Duration testDuration) throws Exception {
+ final RateMeasurementSocketReader reader = new RateMeasurementSocketReader(mSocket);
+ reader.startTest();
+ sendPacketsToTunInterfaceForDuration(mTunInterface, testDuration);
+ return reader.stopAndGetResult();
+ }
+
+ void waitForTcPoliceFilterInstalled(Duration timeout) throws IOException {
+ final String command = MessageFormat.format("tc filter show ingress dev {0}",
+ mTunInterface.getInterfaceName());
+ // wait for tc police to show up
+ final long startTime = SystemClock.elapsedRealtime();
+ final long timeoutTime = startTime + timeout.toMillis();
+ while (!SystemUtil.runShellCommand(command).contains("police")) {
+ assertLessThan("timed out waiting for tc police filter",
+ SystemClock.elapsedRealtime(), timeoutTime);
+ SystemClock.sleep(10);
+ }
+ Log.v(TAG, "waited " + (SystemClock.elapsedRealtime() - startTime)
+ + "ms for tc police filter to appear");
+ }
+
+ @Test
+ public void testIngressRateLimit_testLimit() throws Exception {
+ // If this value is too low, this test might become flaky because of the burst value that
+ // allows to send at a higher data rate for a short period of time. The faster the data rate
+ // and the longer the test, the less this test will be affected.
+ final long dataLimitInBytesPerSecond = 1_000_000; // 1MB/s
+ long resultInBytesPerSecond = runIngressDataRateMeasurement(Duration.ofSeconds(1));
+ assertGreaterThan("Failed initial test with rate limit disabled", resultInBytesPerSecond,
+ dataLimitInBytesPerSecond);
+
+ // enable rate limit and wait until the tc filter is installed before starting the test.
+ ConnectivitySettingsManager.setIngressRateLimitInBytesPerSecond(mContext,
+ dataLimitInBytesPerSecond);
+ waitForTcPoliceFilterInstalled(Duration.ofSeconds(1));
+
+ resultInBytesPerSecond = runIngressDataRateMeasurement(Duration.ofSeconds(10));
+ // Add 1% tolerance to reduce test flakiness. Burst size is constant at 128KiB.
+ assertLessThan("Failed test with rate limit enabled", resultInBytesPerSecond,
+ (long) (dataLimitInBytesPerSecond * 1.01));
+
+ ConnectivitySettingsManager.setIngressRateLimitInBytesPerSecond(mContext, -1);
+
+ resultInBytesPerSecond = runIngressDataRateMeasurement(Duration.ofSeconds(1));
+ assertGreaterThan("Failed test with rate limit disabled", resultInBytesPerSecond,
+ dataLimitInBytesPerSecond);
+ }
+
+ @Test
+ public void testIngressRateLimit_testSetting() {
+ int dataLimitInBytesPerSecond = 1_000_000;
+ ConnectivitySettingsManager.setIngressRateLimitInBytesPerSecond(mContext,
+ dataLimitInBytesPerSecond);
+ assertEquals(dataLimitInBytesPerSecond,
+ ConnectivitySettingsManager.getIngressRateLimitInBytesPerSecond(mContext));
+ ConnectivitySettingsManager.setIngressRateLimitInBytesPerSecond(mContext, -1);
+ assertEquals(-1,
+ ConnectivitySettingsManager.getIngressRateLimitInBytesPerSecond(mContext));
+ }
+}
diff --git a/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java b/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
index 34bcf3f..aa4e4bb 100644
--- a/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
+++ b/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
@@ -63,8 +63,10 @@
import static com.android.net.module.util.NetworkStatsUtils.SUBSCRIBER_ID_MATCH_RULE_EXACT;
import static com.android.server.net.NetworkStatsService.ACTION_NETWORK_STATS_POLL;
+import static com.android.testutils.DevSdkIgnoreRuleKt.SC_V2;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;
@@ -77,6 +79,7 @@
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@@ -101,13 +104,13 @@
import android.net.UnderlyingNetworkInfo;
import android.net.netstats.provider.INetworkStatsProviderCallback;
import android.net.wifi.WifiInfo;
-import android.os.Build;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.IBinder;
import android.os.PowerManager;
import android.os.SimpleClock;
import android.provider.Settings;
+import android.system.ErrnoException;
import android.telephony.TelephonyManager;
import androidx.annotation.Nullable;
@@ -125,6 +128,7 @@
import com.android.testutils.DevSdkIgnoreRule;
import com.android.testutils.DevSdkIgnoreRunner;
import com.android.testutils.HandlerUtils;
+import com.android.testutils.TestBpfMap;
import com.android.testutils.TestableNetworkStatsProviderBinder;
import libcore.testing.io.TestIoUtils;
@@ -143,6 +147,7 @@
import java.time.ZoneOffset;
import java.util.Objects;
import java.util.concurrent.Executor;
+import java.util.concurrent.atomic.AtomicBoolean;
/**
* Tests for {@link NetworkStatsService}.
@@ -152,7 +157,8 @@
*/
@RunWith(DevSdkIgnoreRunner.class)
@SmallTest
-@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
+// NetworkStatsService is not updatable before T, so tests do not need to be backwards compatible
+@DevSdkIgnoreRule.IgnoreUpTo(SC_V2)
public class NetworkStatsServiceTest extends NetworkStatsBaseTest {
private static final String TAG = "NetworkStatsServiceTest";
@@ -197,11 +203,16 @@
private HandlerThread mHandlerThread;
@Mock
private LocationPermissionChecker mLocationPermissionChecker;
- private @Mock IBpfMap<U32, U8> mUidCounterSetMap;
- private @Mock IBpfMap<CookieTagMapKey, CookieTagMapValue> mCookieTagMap;
- private @Mock IBpfMap<StatsMapKey, StatsMapValue> mStatsMapA;
- private @Mock IBpfMap<StatsMapKey, StatsMapValue> mStatsMapB;
- private @Mock IBpfMap<UidStatsMapKey, StatsMapValue> mAppUidStatsMap;
+ private TestBpfMap<U32, U8> mUidCounterSetMap = spy(new TestBpfMap<>(U32.class, U8.class));
+
+ private TestBpfMap<CookieTagMapKey, CookieTagMapValue> mCookieTagMap = new TestBpfMap<>(
+ CookieTagMapKey.class, CookieTagMapValue.class);
+ private TestBpfMap<StatsMapKey, StatsMapValue> mStatsMapA = new TestBpfMap<>(StatsMapKey.class,
+ StatsMapValue.class);
+ private TestBpfMap<StatsMapKey, StatsMapValue> mStatsMapB = new TestBpfMap<>(StatsMapKey.class,
+ StatsMapValue.class);
+ private TestBpfMap<UidStatsMapKey, StatsMapValue> mAppUidStatsMap = new TestBpfMap<>(
+ UidStatsMapKey.class, StatsMapValue.class);
private NetworkStatsService mService;
private INetworkStatsSession mSession;
@@ -1921,4 +1932,70 @@
private void waitForIdle() {
HandlerUtils.waitForIdle(mHandlerThread, WAIT_TIMEOUT);
}
+
+ private boolean cookieTagMapContainsUid(int uid) throws ErrnoException {
+ final AtomicBoolean found = new AtomicBoolean();
+ mCookieTagMap.forEach((k, v) -> {
+ if (v.uid == uid) {
+ found.set(true);
+ }
+ });
+ return found.get();
+ }
+
+ private static <K extends StatsMapKey, V extends StatsMapValue> boolean statsMapContainsUid(
+ TestBpfMap<K, V> map, int uid) throws ErrnoException {
+ final AtomicBoolean found = new AtomicBoolean();
+ map.forEach((k, v) -> {
+ if (k.uid == uid) {
+ found.set(true);
+ }
+ });
+ return found.get();
+ }
+
+ private void initBpfMapsWithTagData(int uid) throws ErrnoException {
+ // key needs to be unique, use some offset from uid.
+ mCookieTagMap.insertEntry(new CookieTagMapKey(1000 + uid), new CookieTagMapValue(uid, 1));
+ mCookieTagMap.insertEntry(new CookieTagMapKey(2000 + uid), new CookieTagMapValue(uid, 2));
+
+ mStatsMapA.insertEntry(new StatsMapKey(uid, 1, 0, 10), new StatsMapValue(5, 5000, 3, 3000));
+ mStatsMapA.insertEntry(new StatsMapKey(uid, 2, 0, 10), new StatsMapValue(5, 5000, 3, 3000));
+
+ mStatsMapB.insertEntry(new StatsMapKey(uid, 1, 0, 10), new StatsMapValue(0, 0, 0, 0));
+
+ mAppUidStatsMap.insertEntry(new UidStatsMapKey(uid), new StatsMapValue(10, 10000, 6, 6000));
+
+ mUidCounterSetMap.insertEntry(new U32(uid), new U8((short) 1));
+
+ assertTrue(cookieTagMapContainsUid(uid));
+ assertTrue(statsMapContainsUid(mStatsMapA, uid));
+ assertTrue(statsMapContainsUid(mStatsMapB, uid));
+ assertTrue(mAppUidStatsMap.containsKey(new UidStatsMapKey(uid)));
+ assertTrue(mUidCounterSetMap.containsKey(new U32(uid)));
+ }
+
+ @Test
+ public void testRemovingUidRemovesTagDataForUid() throws ErrnoException {
+ initBpfMapsWithTagData(UID_BLUE);
+ initBpfMapsWithTagData(UID_RED);
+
+ final Intent intent = new Intent(ACTION_UID_REMOVED);
+ intent.putExtra(EXTRA_UID, UID_BLUE);
+ mServiceContext.sendBroadcast(intent);
+
+ // assert that all UID_BLUE related tag data has been removed from the maps.
+ assertFalse(cookieTagMapContainsUid(UID_BLUE));
+ assertFalse(statsMapContainsUid(mStatsMapA, UID_BLUE));
+ assertFalse(statsMapContainsUid(mStatsMapB, UID_BLUE));
+ assertFalse(mAppUidStatsMap.containsKey(new UidStatsMapKey(UID_BLUE)));
+ assertFalse(mUidCounterSetMap.containsKey(new U32(UID_BLUE)));
+
+ // assert that UID_RED related tag data is still in the maps.
+ assertTrue(cookieTagMapContainsUid(UID_RED));
+ assertTrue(statsMapContainsUid(mStatsMapA, UID_RED));
+ assertTrue(statsMapContainsUid(mStatsMapB, UID_RED));
+ assertTrue(mAppUidStatsMap.containsKey(new UidStatsMapKey(UID_RED)));
+ assertTrue(mUidCounterSetMap.containsKey(new U32(UID_RED)));
+ }
}