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/*
* Copyright (C) 2019 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.apf;
import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import android.content.Context;
import android.os.Build;
import androidx.test.InstrumentationRegistry;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import com.android.testutils.DevSdkIgnoreRule;
import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.Arrays;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class ApfCapabilitiesTest {
@Rule
public final DevSdkIgnoreRule mIgnoreRule = new DevSdkIgnoreRule();
private Context mContext;
@Before
public void setUp() {
mContext = InstrumentationRegistry.getContext();
}
@Test
public void testConstructAndParcel() {
final ApfCapabilities caps = new ApfCapabilities(123, 456, 789);
assertEquals(123, caps.apfVersionSupported);
assertEquals(456, caps.maximumApfProgramSize);
assertEquals(789, caps.apfPacketFormat);
assertParcelingIsLossless(caps);
}
@Test
public void testEquals() {
assertEquals(new ApfCapabilities(1, 2, 3), new ApfCapabilities(1, 2, 3));
assertNotEquals(new ApfCapabilities(2, 2, 3), new ApfCapabilities(1, 2, 3));
assertNotEquals(new ApfCapabilities(1, 3, 3), new ApfCapabilities(1, 2, 3));
assertNotEquals(new ApfCapabilities(1, 2, 4), new ApfCapabilities(1, 2, 3));
}
@Test
public void testHasDataAccess() {
//hasDataAccess is only supported starting at apf version 4.
ApfCapabilities caps = new ApfCapabilities(1 /* apfVersionSupported */, 2, 3);
assertFalse(caps.hasDataAccess());
caps = new ApfCapabilities(4 /* apfVersionSupported */, 5, 6);
assertTrue(caps.hasDataAccess());
}
@Test
public void testGetApfDrop8023Frames() {
// Get com.android.internal.R.bool.config_apfDrop802_3Frames. The test cannot directly
// use R.bool.config_apfDrop802_3Frames because that is not a stable resource ID.
final int resId = mContext.getResources().getIdentifier("config_apfDrop802_3Frames",
"bool", "android");
final boolean shouldDrop8023Frames = mContext.getResources().getBoolean(resId);
final boolean actual = ApfCapabilities.getApfDrop8023Frames();
assertEquals(shouldDrop8023Frames, actual);
}
@Test @IgnoreUpTo(Build.VERSION_CODES.R)
public void testGetApfDrop8023Frames_S() {
// IpClient does not call getApfDrop8023Frames() since S, so any customization of the return
// value on S+ is a configuration error as it will not be used by IpClient.
assertTrue("android.R.bool.config_apfDrop802_3Frames has been modified to false, but "
+ "starting from S its value is not used by IpClient. If the modification is "
+ "intentional, use a runtime resource overlay for the NetworkStack package to "
+ "overlay com.android.networkstack.R.bool.config_apfDrop802_3Frames instead.",
ApfCapabilities.getApfDrop8023Frames());
}
@Test
public void testGetApfEtherTypeBlackList() {
// Get com.android.internal.R.array.config_apfEthTypeBlackList. The test cannot directly
// use R.array.config_apfEthTypeBlackList because that is not a stable resource ID.
final int resId = mContext.getResources().getIdentifier("config_apfEthTypeBlackList",
"array", "android");
final int[] blacklistedEtherTypeArray = mContext.getResources().getIntArray(resId);
final int[] actual = ApfCapabilities.getApfEtherTypeBlackList();
assertNotNull(actual);
assertTrue(Arrays.equals(blacklistedEtherTypeArray, actual));
}
@Test @IgnoreUpTo(Build.VERSION_CODES.R)
public void testGetApfEtherTypeBlackList_S() {
// IpClient does not call getApfEtherTypeBlackList() since S, so any customization of the
// return value on S+ is a configuration error as it will not be used by IpClient.
assertArrayEquals("android.R.array.config_apfEthTypeBlackList has been modified, but "
+ "starting from S its value is not used by IpClient. If the modification "
+ "is intentional, use a runtime resource overlay for the NetworkStack "
+ "package to overlay "
+ "com.android.networkstack.R.array.config_apfEthTypeDenyList instead.",
new int[] { 0x88a2, 0x88a4, 0x88b8, 0x88cd, 0x88e3 },
ApfCapabilities.getApfEtherTypeBlackList());
}
}
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