Merge "Make net-utils-services-common visible to service-connectivity-tiramisu."
diff --git a/staticlibs/tests/unit/src/com/android/net/module/util/InterfaceParamsTest.java b/staticlibs/tests/unit/src/com/android/net/module/util/InterfaceParamsTest.java
new file mode 100644
index 0000000..a1d8c10
--- /dev/null
+++ b/staticlibs/tests/unit/src/com/android/net/module/util/InterfaceParamsTest.java
@@ -0,0 +1,54 @@
+/*
+ * 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);
+ }
+}