| /* |
| * Copyright (C) 2018 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.ipmemorystore; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.lang.reflect.Modifier; |
| import java.net.Inet4Address; |
| import java.net.InetAddress; |
| import java.util.Arrays; |
| import java.util.Collections; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class ParcelableTests { |
| @Test |
| public void testNetworkAttributesParceling() throws Exception { |
| final NetworkAttributes.Builder builder = new NetworkAttributes.Builder(); |
| NetworkAttributes in = builder.build(); |
| assertEquals(in, new NetworkAttributes(parcelingRoundTrip(in.toParcelable()))); |
| |
| builder.setAssignedV4Address((Inet4Address) Inet4Address.getByName("1.2.3.4")); |
| // groupHint stays null this time around |
| builder.setDnsAddresses(Collections.emptyList()); |
| builder.setMtu(18); |
| in = builder.build(); |
| assertEquals(in, new NetworkAttributes(parcelingRoundTrip(in.toParcelable()))); |
| |
| builder.setAssignedV4Address((Inet4Address) Inet4Address.getByName("6.7.8.9")); |
| builder.setGroupHint("groupHint"); |
| builder.setDnsAddresses(Arrays.asList( |
| InetAddress.getByName("ACA1:652B:0911:DE8F:1200:115E:913B:AA2A"), |
| InetAddress.getByName("6.7.8.9"))); |
| builder.setMtu(1_000_000); |
| in = builder.build(); |
| assertEquals(in, new NetworkAttributes(parcelingRoundTrip(in.toParcelable()))); |
| |
| builder.setMtu(null); |
| in = builder.build(); |
| assertEquals(in, new NetworkAttributes(parcelingRoundTrip(in.toParcelable()))); |
| |
| // Verify that this test does not miss any new field added later. |
| // If any field is added to NetworkAttributes it must be tested here for parceling |
| // roundtrip. |
| assertEquals(4, Arrays.stream(NetworkAttributes.class.getDeclaredFields()) |
| .filter(f -> !Modifier.isStatic(f.getModifiers())).count()); |
| } |
| |
| @Test |
| public void testPrivateDataParceling() throws Exception { |
| final Blob in = new Blob(); |
| in.data = new byte[] {89, 111, 108, 111}; |
| final Blob out = parcelingRoundTrip(in); |
| // Object.equals on byte[] tests the references |
| assertEquals(in.data.length, out.data.length); |
| assertTrue(Arrays.equals(in.data, out.data)); |
| } |
| |
| @Test |
| public void testSameL3NetworkResponseParceling() throws Exception { |
| final SameL3NetworkResponseParcelable parcelable = new SameL3NetworkResponseParcelable(); |
| parcelable.l2Key1 = "key 1"; |
| parcelable.l2Key2 = "key 2"; |
| parcelable.confidence = 0.43f; |
| |
| final SameL3NetworkResponse in = new SameL3NetworkResponse(parcelable); |
| assertEquals("key 1", in.l2Key1); |
| assertEquals("key 2", in.l2Key2); |
| assertEquals(0.43f, in.confidence, 0.01f /* delta */); |
| |
| final SameL3NetworkResponse out = |
| new SameL3NetworkResponse(parcelingRoundTrip(in.toParcelable())); |
| |
| assertEquals(in, out); |
| assertEquals(in.l2Key1, out.l2Key1); |
| assertEquals(in.l2Key2, out.l2Key2); |
| assertEquals(in.confidence, out.confidence, 0.01f /* delta */); |
| } |
| |
| private <T extends Parcelable> T parcelingRoundTrip(final T in) throws Exception { |
| final Parcel p = Parcel.obtain(); |
| in.writeToParcel(p, /* flags */ 0); |
| p.setDataPosition(0); |
| final byte[] marshalledData = p.marshall(); |
| p.recycle(); |
| |
| final Parcel q = Parcel.obtain(); |
| q.unmarshall(marshalledData, 0, marshalledData.length); |
| q.setDataPosition(0); |
| |
| final Parcelable.Creator<T> creator = (Parcelable.Creator<T>) |
| in.getClass().getField("CREATOR").get(null); // static object, so null receiver |
| final T unmarshalled = (T) creator.createFromParcel(q); |
| q.recycle(); |
| return unmarshalled; |
| } |
| } |