Add a unit test for StaticIpConfiguration.
Change-Id: I68c735def8a242da0c8f95b7c5ea680ed902dab7
diff --git a/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java b/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java
new file mode 100644
index 0000000..59f780f
--- /dev/null
+++ b/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java
@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2014 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;
+
+import android.net.IpPrefix;
+import android.net.LinkAddress;
+import android.net.RouteInfo;
+import android.net.StaticIpConfiguration;
+import android.os.Parcel;
+
+import java.net.InetAddress;
+import java.util.HashSet;
+
+import junit.framework.TestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import static org.junit.Assert.*;
+
+
+public class StaticIpConfigurationTest extends TestCase {
+
+ private static final String ADDRSTR = "192.0.2.2/25";
+ private static final LinkAddress ADDR = new LinkAddress(ADDRSTR);
+ private static final InetAddress GATEWAY = IpAddress("192.0.2.1");
+ private static final InetAddress OFFLINKGATEWAY = IpAddress("192.0.2.129");
+ private static final InetAddress DNS1 = IpAddress("8.8.8.8");
+ private static final InetAddress DNS2 = IpAddress("8.8.4.4");
+ private static final InetAddress DNS3 = IpAddress("4.2.2.2");
+ private static final String IFACE = "eth0";
+
+ private static InetAddress IpAddress(String addr) {
+ return InetAddress.parseNumericAddress(addr);
+ }
+
+ private void checkEmpty(StaticIpConfiguration s) {
+ assertNull(s.ipAddress);
+ assertNull(s.gateway);
+ assertNull(s.domains);
+ assertEquals(0, s.dnsServers.size());
+ }
+
+ private boolean isEqual(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+ return s1.equals(s2);
+ }
+
+ private void assertEquals(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+ assertTrue(isEqual(s1, s2));
+ }
+
+ private void assertNotEquals(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+ assertFalse(isEqual(s1, s2));
+ }
+
+ private StaticIpConfiguration makeTestObject() {
+ StaticIpConfiguration s = new StaticIpConfiguration();
+ s.ipAddress = ADDR;
+ s.gateway = GATEWAY;
+ s.dnsServers.add(DNS1);
+ s.dnsServers.add(DNS2);
+ s.dnsServers.add(DNS3);
+ s.domains = "google.com";
+ return s;
+ }
+
+ @SmallTest
+ public void testConstructor() {
+ StaticIpConfiguration s = new StaticIpConfiguration();
+ checkEmpty(s);
+ }
+
+ @SmallTest
+ public void testCopyAndClear() {
+ StaticIpConfiguration empty = new StaticIpConfiguration((StaticIpConfiguration) null);
+ checkEmpty(empty);
+
+ StaticIpConfiguration s1 = makeTestObject();
+ StaticIpConfiguration s2 = new StaticIpConfiguration(s1);
+ assertEquals(s1, s2);
+ s2.clear();
+ assertEquals(empty, s2);
+ }
+
+ @SmallTest
+ public void testHashCodeAndEquals() {
+ HashSet<Integer> hashCodes = new HashSet();
+ hashCodes.add(0);
+
+ StaticIpConfiguration s = new StaticIpConfiguration();
+ // Check that this hash code is nonzero and different from all the ones seen so far.
+ assertTrue(hashCodes.add(s.hashCode()));
+
+ s.ipAddress = ADDR;
+ assertTrue(hashCodes.add(s.hashCode()));
+
+ s.gateway = GATEWAY;
+ assertTrue(hashCodes.add(s.hashCode()));
+
+ s.dnsServers.add(DNS1);
+ assertTrue(hashCodes.add(s.hashCode()));
+
+ s.dnsServers.add(DNS2);
+ assertTrue(hashCodes.add(s.hashCode()));
+
+ s.dnsServers.add(DNS3);
+ assertTrue(hashCodes.add(s.hashCode()));
+
+ s.domains = "example.com";
+ assertTrue(hashCodes.add(s.hashCode()));
+
+ assertFalse(s.equals(null));
+ assertEquals(s, s);
+
+ StaticIpConfiguration s2 = new StaticIpConfiguration(s);
+ assertEquals(s, s2);
+
+ s.ipAddress = new LinkAddress(DNS1, 32);
+ assertNotEquals(s, s2);
+
+ s2 = new StaticIpConfiguration(s);
+ s.domains = "foo";
+ assertNotEquals(s, s2);
+
+ s2 = new StaticIpConfiguration(s);
+ s.gateway = DNS2;
+ assertNotEquals(s, s2);
+
+ s2 = new StaticIpConfiguration(s);
+ s.dnsServers.add(DNS3);
+ assertNotEquals(s, s2);
+ }
+
+ @SmallTest
+ public void testToLinkProperties() {
+ LinkProperties expected = new LinkProperties();
+ expected.setInterfaceName(IFACE);
+
+ StaticIpConfiguration s = new StaticIpConfiguration();
+ assertEquals(expected, s.toLinkProperties(IFACE));
+
+ final RouteInfo connectedRoute = new RouteInfo(new IpPrefix(ADDRSTR), null, IFACE);
+ s.ipAddress = ADDR;
+ expected.addLinkAddress(ADDR);
+ expected.addRoute(connectedRoute);
+ assertEquals(expected, s.toLinkProperties(IFACE));
+
+ s.gateway = GATEWAY;
+ RouteInfo defaultRoute = new RouteInfo(new IpPrefix("0.0.0.0/0"), GATEWAY, IFACE);
+ expected.addRoute(defaultRoute);
+ assertEquals(expected, s.toLinkProperties(IFACE));
+
+ s.gateway = OFFLINKGATEWAY;
+ expected.removeRoute(defaultRoute);
+ defaultRoute = new RouteInfo(new IpPrefix("0.0.0.0/0"), OFFLINKGATEWAY, IFACE);
+ expected.addRoute(defaultRoute);
+
+ RouteInfo gatewayRoute = new RouteInfo(new IpPrefix("192.0.2.129/32"), null, IFACE);
+ expected.addRoute(gatewayRoute);
+ assertEquals(expected, s.toLinkProperties(IFACE));
+
+ s.dnsServers.add(DNS1);
+ expected.addDnsServer(DNS1);
+ assertEquals(expected, s.toLinkProperties(IFACE));
+
+ s.dnsServers.add(DNS2);
+ s.dnsServers.add(DNS3);
+ expected.addDnsServer(DNS2);
+ expected.addDnsServer(DNS3);
+ assertEquals(expected, s.toLinkProperties(IFACE));
+
+ s.domains = "google.com";
+ expected.setDomains("google.com");
+ assertEquals(expected, s.toLinkProperties(IFACE));
+
+ s.gateway = null;
+ expected.removeRoute(defaultRoute);
+ expected.removeRoute(gatewayRoute);
+ assertEquals(expected, s.toLinkProperties(IFACE));
+
+ // Without knowing the IP address, we don't have a directly-connected route, so we can't
+ // tell if the gateway is off-link or not and we don't add a host route. This isn't a real
+ // configuration, but we should at least not crash.
+ s.gateway = OFFLINKGATEWAY;
+ s.ipAddress = null;
+ expected.removeLinkAddress(ADDR);
+ expected.removeRoute(connectedRoute);
+ expected.addRoute(defaultRoute);
+ assertEquals(expected, s.toLinkProperties(IFACE));
+ }
+
+ private StaticIpConfiguration passThroughParcel(StaticIpConfiguration s) {
+ Parcel p = Parcel.obtain();
+ StaticIpConfiguration s2 = null;
+ try {
+ s.writeToParcel(p, 0);
+ p.setDataPosition(0);
+ s2 = StaticIpConfiguration.CREATOR.createFromParcel(p);
+ } finally {
+ p.recycle();
+ }
+ assertNotNull(s2);
+ return s2;
+ }
+
+ @SmallTest
+ public void testParceling() {
+ StaticIpConfiguration s = makeTestObject();
+ StaticIpConfiguration s2 = passThroughParcel(s);
+ assertEquals(s, s2);
+ }
+}
+
