Add CTS tests for registerDefaultNetworkCallbackAsUid.
Bug: 165835257
Test: test-only change
Change-Id: Ib3266665735ee587f3f8ae82dadd1e4ca7ce4353
diff --git a/tests/cts/hostside/app/Android.bp b/tests/cts/hostside/app/Android.bp
index f351b47..112b9eb 100644
--- a/tests/cts/hostside/app/Android.bp
+++ b/tests/cts/hostside/app/Android.bp
@@ -27,6 +27,7 @@
"androidx.test.rules",
"androidx.test.ext.junit",
"compatibility-device-util-axt",
+ "cts-net-utils",
"ctstestrunner-axt",
"ub-uiautomator",
"CtsHostsideNetworkTestsAidl",
diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
index 9b437e6..a47d304 100755
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
+++ b/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
@@ -55,12 +55,14 @@
import android.net.VpnManager;
import android.net.VpnService;
import android.net.VpnTransportInfo;
+import android.net.cts.util.CtsNetUtils.TestNetworkCallback;
import android.net.wifi.WifiManager;
import android.os.Handler;
import android.os.Looper;
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.os.SystemProperties;
+import android.os.UserHandle;
import android.provider.Settings;
import android.support.test.uiautomator.UiDevice;
import android.support.test.uiautomator.UiObject;
@@ -741,13 +743,20 @@
getInstrumentation().getTargetContext(), MyVpnService.ACTION_ESTABLISHED);
receiver.register();
- // Expect the system default network not to change.
- final NeverChangeNetworkCallback neverChangeCallback = new NeverChangeNetworkCallback();
+ // Test the behaviour of a variety of types of network callbacks.
final Network defaultNetwork = mCM.getActiveNetwork();
+ final NeverChangeNetworkCallback systemDefaultCallback = new NeverChangeNetworkCallback();
+ final NeverChangeNetworkCallback otherUidCallback = new NeverChangeNetworkCallback();
+ final TestNetworkCallback myUidCallback = new TestNetworkCallback();
if (SdkLevel.isAtLeastS()) {
- runWithShellPermissionIdentity(() ->
- mCM.registerSystemDefaultNetworkCallback(neverChangeCallback,
- new Handler(Looper.getMainLooper())), NETWORK_SETTINGS);
+ final int otherUid = UserHandle.getUid(UserHandle.of(5), Process.FIRST_APPLICATION_UID);
+ final Handler h = new Handler(Looper.getMainLooper());
+ runWithShellPermissionIdentity(() -> {
+ mCM.registerSystemDefaultNetworkCallback(systemDefaultCallback, h);
+ mCM.registerDefaultNetworkCallbackAsUid(otherUid, otherUidCallback, h);
+ mCM.registerDefaultNetworkCallbackAsUid(Process.myUid(), myUidCallback, h);
+ }, NETWORK_SETTINGS);
+ assertEquals(defaultNetwork, myUidCallback.waitForAvailable());
}
FileDescriptor fd = openSocketFdInOtherApp(TEST_HOST, 80, TIMEOUT_MS);
@@ -767,20 +776,27 @@
checkTrafficOnVpn();
- maybeExpectVpnTransportInfo(mCM.getActiveNetwork());
+ final Network vpnNetwork = myUidCallback.waitForAvailable();
+ assertEquals(vpnNetwork, mCM.getActiveNetwork());
+ assertNotEqual(defaultNetwork, vpnNetwork);
+ maybeExpectVpnTransportInfo(vpnNetwork);
- assertNotEqual(defaultNetwork, mCM.getActiveNetwork());
if (SdkLevel.isAtLeastS()) {
// Check that system default network callback has not seen any network changes, even
- // though the app's default network changed. This needs to be done before testing
- // private DNS because checkStrictModePrivateDns will set the private DNS server to
- // a nonexistent name, which will cause validation to fail and cause the default
- // network to switch (e.g., from wifi to cellular).
- assertEquals(defaultNetwork, neverChangeCallback.getFirstNetwork());
- neverChangeCallback.assertNeverChanged();
- runWithShellPermissionIdentity(
- () -> mCM.unregisterNetworkCallback(neverChangeCallback),
- NETWORK_SETTINGS);
+ // though the app's default network changed. Also check that otherUidCallback saw no
+ // network changes, because otherUid is in a different user and not subject to the VPN.
+ // This needs to be done before testing private DNS because checkStrictModePrivateDns
+ // will set the private DNS server to a nonexistent name, which will cause validation to
+ // fail and could cause the default network to switch (e.g., from wifi to cellular).
+ assertEquals(defaultNetwork, systemDefaultCallback.getFirstNetwork());
+ systemDefaultCallback.assertNeverChanged();
+ assertEquals(defaultNetwork, otherUidCallback.getFirstNetwork());
+ otherUidCallback.assertNeverChanged();
+ runWithShellPermissionIdentity(() -> {
+ mCM.unregisterNetworkCallback(systemDefaultCallback);
+ mCM.unregisterNetworkCallback(otherUidCallback);
+ mCM.unregisterNetworkCallback(myUidCallback);
+ }, NETWORK_SETTINGS);
}
checkStrictModePrivateDns();