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Commit 1b3877a9 authored by Hugo Benichi's avatar Hugo Benichi Committed by Android (Google) Code Review
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Merge "NetworkCapabilities: fix describeImmutableDifferences" into oc-dr1-dev

parents f6d54264 8a3a012a

core/java/android/net/NetworkCapabilities.java

+1 −1
Original line number Diff line number Diff line
@@ -775,7 +775,7 @@ public final class NetworkCapabilities implements Parcelable { 
        // TODO: consider only enforcing that capabilities are not removed, allowing addition.

        // Ignore NOT_METERED being added or removed as it is effectively dynamic. http://b/63326103

        // TODO: properly support NOT_METERED as a mutable and requestable capability.

        final long mask = ~MUTABLE_CAPABILITIES & ~NET_CAPABILITY_NOT_METERED;

        final long mask = ~MUTABLE_CAPABILITIES & ~(1 << NET_CAPABILITY_NOT_METERED);

        long oldImmutableCapabilities = this.mNetworkCapabilities & mask;

        long newImmutableCapabilities = that.mNetworkCapabilities & mask;

        if (oldImmutableCapabilities != newImmutableCapabilities) {

tests/net/java/android/net/NetworkCapabilitiesTest.java

+45 −0
Original line number Diff line number Diff line
@@ -21,10 +21,14 @@ import static android.net.NetworkCapabilities.NET_CAPABILITY_EIMS; 
import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;

import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_METERED;

import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED;

import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;

import static android.net.NetworkCapabilities.RESTRICTED_CAPABILITIES;

import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;

import static android.net.NetworkCapabilities.TRANSPORT_WIFI;

import static android.net.NetworkCapabilities.UNRESTRICTED_CAPABILITIES;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertFalse;

import static org.junit.Assert.assertNotEquals;

import static org.junit.Assert.assertTrue;
@@ -114,4 +118,45 @@ public class NetworkCapabilitiesTest { 
        assertFalse(netCap.hasCapability(NET_CAPABILITY_NOT_RESTRICTED));

    }



    @Test

    public void testDescribeImmutableDifferences() {

        NetworkCapabilities nc1;

        NetworkCapabilities nc2;



        // Transports changing

        nc1 = new NetworkCapabilities().addTransportType(TRANSPORT_CELLULAR);

        nc2 = new NetworkCapabilities().addTransportType(TRANSPORT_WIFI);

        assertNotEquals("", nc1.describeImmutableDifferences(nc2));

        assertEquals("", nc1.describeImmutableDifferences(nc1));



        // Mutable capability changing

        nc1 = new NetworkCapabilities().addCapability(NET_CAPABILITY_VALIDATED);

        nc2 = new NetworkCapabilities();

        assertEquals("", nc1.describeImmutableDifferences(nc2));

        assertEquals("", nc1.describeImmutableDifferences(nc1));



        // NOT_METERED changing (http://b/63326103)

        nc1 = new NetworkCapabilities()

                .addCapability(NET_CAPABILITY_NOT_METERED)

                .addCapability(NET_CAPABILITY_INTERNET);

        nc2 = new NetworkCapabilities().addCapability(NET_CAPABILITY_INTERNET);

        assertEquals("", nc1.describeImmutableDifferences(nc2));

        assertEquals("", nc1.describeImmutableDifferences(nc1));



        // Immutable capability changing

        nc1 = new NetworkCapabilities()

                .addCapability(NET_CAPABILITY_INTERNET)

                .removeCapability(NET_CAPABILITY_NOT_RESTRICTED);

        nc2 = new NetworkCapabilities().addCapability(NET_CAPABILITY_INTERNET);

        assertNotEquals("", nc1.describeImmutableDifferences(nc2));

        assertEquals("", nc1.describeImmutableDifferences(nc1));



        // Specifier changing

        nc1 = new NetworkCapabilities().addTransportType(TRANSPORT_WIFI);

        nc2 = new NetworkCapabilities()

                .addTransportType(TRANSPORT_WIFI)

                .setNetworkSpecifier(new StringNetworkSpecifier("specs"));

        assertNotEquals("", nc1.describeImmutableDifferences(nc2));

        assertEquals("", nc1.describeImmutableDifferences(nc1));

    }

}