Move DhcpInfoTest to FrameworksNetCommonTests

Move to frameworks/base/tests/net/common so that it can
be run in cts test and presubmit test.

Bug: 154299158
Test: atest CtsNetTestCasesLatestSdk:android.net.DhcpInfoTest
Change-Id: I1052c2b46ce427102429c3c7d8cf25f3e79f2789
Merged-In: I8d70565fe3388fd8351002f2ed87c43343879e57
diff --git a/tests/cts/net/src/android/net/cts/DhcpInfoTest.java b/tests/cts/net/src/android/net/cts/DhcpInfoTest.java
deleted file mode 100644
index b8d2392..0000000
--- a/tests/cts/net/src/android/net/cts/DhcpInfoTest.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2009 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.cts;
-
-import static android.net.shared.Inet4AddressUtils.inet4AddressToIntHTL;
-
-import static com.android.testutils.MiscAssertsKt.assertFieldCountEquals;
-import static com.android.testutils.ParcelUtilsKt.parcelingRoundTrip;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-import android.annotation.Nullable;
-import android.net.DhcpInfo;
-
-import androidx.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import java.net.Inet4Address;
-import java.net.InetAddress;
-
-@RunWith(AndroidJUnit4.class)
-public class DhcpInfoTest {
-    private static final String STR_ADDR1 = "255.255.255.255";
-    private static final String STR_ADDR2 = "127.0.0.1";
-    private static final String STR_ADDR3 = "192.168.1.1";
-    private static final String STR_ADDR4 = "192.168.1.0";
-    private static final int LEASE_TIME = 9999;
-
-    private int ipToInteger(String ipString) throws Exception {
-        return inet4AddressToIntHTL((Inet4Address) InetAddress.getByName(ipString));
-    }
-
-    private DhcpInfo createDhcpInfoObject() throws Exception {
-        final DhcpInfo dhcpInfo = new DhcpInfo();
-        dhcpInfo.ipAddress = ipToInteger(STR_ADDR1);
-        dhcpInfo.gateway = ipToInteger(STR_ADDR2);
-        dhcpInfo.netmask = ipToInteger(STR_ADDR3);
-        dhcpInfo.dns1 = ipToInteger(STR_ADDR4);
-        dhcpInfo.dns2 = ipToInteger(STR_ADDR4);
-        dhcpInfo.serverAddress = ipToInteger(STR_ADDR2);
-        dhcpInfo.leaseDuration = LEASE_TIME;
-        return dhcpInfo;
-    }
-
-    @Test
-    public void testConstructor() {
-        new DhcpInfo();
-    }
-
-    @Test
-    public void testToString() throws Exception {
-        final String expectedDefault = "ipaddr 0.0.0.0 gateway 0.0.0.0 netmask 0.0.0.0 "
-                + "dns1 0.0.0.0 dns2 0.0.0.0 DHCP server 0.0.0.0 lease 0 seconds";
-
-        DhcpInfo dhcpInfo = new DhcpInfo();
-
-        // Test default string.
-        assertEquals(expectedDefault, dhcpInfo.toString());
-
-        dhcpInfo = createDhcpInfoObject();
-
-        final String expected = "ipaddr " + STR_ADDR1 + " gateway " + STR_ADDR2 + " netmask "
-                + STR_ADDR3 + " dns1 " + STR_ADDR4 + " dns2 " + STR_ADDR4 + " DHCP server "
-                + STR_ADDR2 + " lease " + LEASE_TIME + " seconds";
-        // Test with new values
-        assertEquals(expected, dhcpInfo.toString());
-    }
-
-    private boolean dhcpInfoEquals(@Nullable DhcpInfo left, @Nullable DhcpInfo right) {
-        if (left == null && right == null) return true;
-
-        if (left == null || right == null) return false;
-
-        return left.ipAddress == right.ipAddress
-                && left.gateway == right.gateway
-                && left.netmask == right.netmask
-                && left.dns1 == right.dns1
-                && left.dns2 == right.dns2
-                && left.serverAddress == right.serverAddress
-                && left.leaseDuration == right.leaseDuration;
-    }
-
-    @Test
-    public void testParcelDhcpInfo() throws Exception {
-        // Cannot use assertParcelSane() here because this requires .equals() to work as
-        // defined, but DhcpInfo has a different legacy behavior that we cannot change.
-        final DhcpInfo dhcpInfo = createDhcpInfoObject();
-        assertFieldCountEquals(7, DhcpInfo.class);
-
-        final DhcpInfo dhcpInfoRoundTrip = parcelingRoundTrip(dhcpInfo);
-        assertTrue(dhcpInfoEquals(null, null));
-        assertFalse(dhcpInfoEquals(null, dhcpInfoRoundTrip));
-        assertFalse(dhcpInfoEquals(dhcpInfo, null));
-        assertTrue(dhcpInfoEquals(dhcpInfo, dhcpInfoRoundTrip));
-    }
-}