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/*
* 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 com.android.net.module.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class InterfaceParamsTest {
@Test
public void testNullInterfaceReturnsNull() {
assertNull(InterfaceParams.getByName(null));
}
@Test
public void testNonExistentInterfaceReturnsNull() {
assertNull(InterfaceParams.getByName("doesnotexist0"));
}
@Test
public void testLoopback() {
final InterfaceParams ifParams = InterfaceParams.getByName("lo");
assertNotNull(ifParams);
assertEquals("lo", ifParams.name);
assertTrue(ifParams.index > 0);
assertNotNull(ifParams.macAddr);
assertFalse(ifParams.hasMacAddress);
assertTrue(ifParams.defaultMtu >= NetworkStackConstants.ETHER_MTU);
}
}
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