| /* |
| * Copyright (C) 2018 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.MacAddress.TYPE_BROADCAST; |
| import static android.net.MacAddress.TYPE_MULTICAST; |
| import static android.net.MacAddress.TYPE_UNICAST; |
| |
| import static com.android.testutils.ParcelUtilsKt.assertParcelSane; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import android.net.MacAddress; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.net.Inet6Address; |
| import java.util.Arrays; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class MacAddressTest { |
| |
| static class TestCase { |
| final String macAddress; |
| final String ouiString; |
| final int addressType; |
| final boolean isLocallyAssigned; |
| |
| TestCase(String macAddress, String ouiString, int addressType, boolean isLocallyAssigned) { |
| this.macAddress = macAddress; |
| this.ouiString = ouiString; |
| this.addressType = addressType; |
| this.isLocallyAssigned = isLocallyAssigned; |
| } |
| } |
| |
| static final boolean LOCALLY_ASSIGNED = true; |
| static final boolean GLOBALLY_UNIQUE = false; |
| |
| static String typeToString(int addressType) { |
| switch (addressType) { |
| case TYPE_UNICAST: |
| return "TYPE_UNICAST"; |
| case TYPE_BROADCAST: |
| return "TYPE_BROADCAST"; |
| case TYPE_MULTICAST: |
| return "TYPE_MULTICAST"; |
| default: |
| return "UNKNOWN"; |
| } |
| } |
| |
| static String localAssignedToString(boolean isLocallyAssigned) { |
| return isLocallyAssigned ? "LOCALLY_ASSIGNED" : "GLOBALLY_UNIQUE"; |
| } |
| |
| @Test |
| public void testMacAddress() { |
| TestCase[] tests = { |
| new TestCase("ff:ff:ff:ff:ff:ff", "ff:ff:ff", TYPE_BROADCAST, LOCALLY_ASSIGNED), |
| new TestCase("d2:c4:22:4d:32:a8", "d2:c4:22", TYPE_UNICAST, LOCALLY_ASSIGNED), |
| new TestCase("33:33:aa:bb:cc:dd", "33:33:aa", TYPE_MULTICAST, LOCALLY_ASSIGNED), |
| new TestCase("06:00:00:00:00:00", "06:00:00", TYPE_UNICAST, LOCALLY_ASSIGNED), |
| new TestCase("07:00:d3:56:8a:c4", "07:00:d3", TYPE_MULTICAST, LOCALLY_ASSIGNED), |
| new TestCase("00:01:44:55:66:77", "00:01:44", TYPE_UNICAST, GLOBALLY_UNIQUE), |
| new TestCase("08:00:22:33:44:55", "08:00:22", TYPE_UNICAST, GLOBALLY_UNIQUE), |
| }; |
| |
| for (TestCase tc : tests) { |
| MacAddress mac = MacAddress.fromString(tc.macAddress); |
| |
| if (!tc.ouiString.equals(mac.toOuiString())) { |
| fail(String.format("expected OUI string %s, got %s", |
| tc.ouiString, mac.toOuiString())); |
| } |
| |
| if (tc.isLocallyAssigned != mac.isLocallyAssigned()) { |
| fail(String.format("expected %s to be %s, got %s", mac, |
| localAssignedToString(tc.isLocallyAssigned), |
| localAssignedToString(mac.isLocallyAssigned()))); |
| } |
| |
| if (tc.addressType != mac.getAddressType()) { |
| fail(String.format("expected %s address type to be %s, got %s", mac, |
| typeToString(tc.addressType), typeToString(mac.getAddressType()))); |
| } |
| |
| if (!tc.macAddress.equals(mac.toString())) { |
| fail(String.format("expected toString() to return %s, got %s", |
| tc.macAddress, mac.toString())); |
| } |
| |
| if (!mac.equals(MacAddress.fromBytes(mac.toByteArray()))) { |
| byte[] bytes = mac.toByteArray(); |
| fail(String.format("expected mac address from bytes %s to be %s, got %s", |
| Arrays.toString(bytes), |
| MacAddress.fromBytes(bytes), |
| mac)); |
| } |
| } |
| } |
| |
| @Test |
| public void testConstructorInputValidation() { |
| String[] invalidStringAddresses = { |
| "", |
| "abcd", |
| "1:2:3:4:5", |
| "1:2:3:4:5:6:7", |
| "10000:2:3:4:5:6", |
| }; |
| |
| for (String s : invalidStringAddresses) { |
| try { |
| MacAddress mac = MacAddress.fromString(s); |
| fail("MacAddress.fromString(" + s + ") should have failed, but returned " + mac); |
| } catch (IllegalArgumentException excepted) { |
| } |
| } |
| |
| try { |
| MacAddress mac = MacAddress.fromString(null); |
| fail("MacAddress.fromString(null) should have failed, but returned " + mac); |
| } catch (NullPointerException excepted) { |
| } |
| |
| byte[][] invalidBytesAddresses = { |
| {}, |
| {1,2,3,4,5}, |
| {1,2,3,4,5,6,7}, |
| }; |
| |
| for (byte[] b : invalidBytesAddresses) { |
| try { |
| MacAddress mac = MacAddress.fromBytes(b); |
| fail("MacAddress.fromBytes(" + Arrays.toString(b) |
| + ") should have failed, but returned " + mac); |
| } catch (IllegalArgumentException excepted) { |
| } |
| } |
| |
| try { |
| MacAddress mac = MacAddress.fromBytes(null); |
| fail("MacAddress.fromBytes(null) should have failed, but returned " + mac); |
| } catch (NullPointerException excepted) { |
| } |
| } |
| |
| @Test |
| public void testMatches() { |
| // match 4 bytes prefix |
| assertTrue(MacAddress.fromString("aa:bb:cc:dd:ee:11").matches( |
| MacAddress.fromString("aa:bb:cc:dd:00:00"), |
| MacAddress.fromString("ff:ff:ff:ff:00:00"))); |
| |
| // match bytes 0,1,2 and 5 |
| assertTrue(MacAddress.fromString("aa:bb:cc:dd:ee:11").matches( |
| MacAddress.fromString("aa:bb:cc:00:00:11"), |
| MacAddress.fromString("ff:ff:ff:00:00:ff"))); |
| |
| // match 34 bit prefix |
| assertTrue(MacAddress.fromString("aa:bb:cc:dd:ee:11").matches( |
| MacAddress.fromString("aa:bb:cc:dd:c0:00"), |
| MacAddress.fromString("ff:ff:ff:ff:c0:00"))); |
| |
| // fail to match 36 bit prefix |
| assertFalse(MacAddress.fromString("aa:bb:cc:dd:ee:11").matches( |
| MacAddress.fromString("aa:bb:cc:dd:40:00"), |
| MacAddress.fromString("ff:ff:ff:ff:f0:00"))); |
| |
| // match all 6 bytes |
| assertTrue(MacAddress.fromString("aa:bb:cc:dd:ee:11").matches( |
| MacAddress.fromString("aa:bb:cc:dd:ee:11"), |
| MacAddress.fromString("ff:ff:ff:ff:ff:ff"))); |
| |
| // match none of 6 bytes |
| assertTrue(MacAddress.fromString("aa:bb:cc:dd:ee:11").matches( |
| MacAddress.fromString("00:00:00:00:00:00"), |
| MacAddress.fromString("00:00:00:00:00:00"))); |
| } |
| |
| /** |
| * Tests that link-local address generation from MAC is valid. |
| */ |
| @Test |
| public void testLinkLocalFromMacGeneration() { |
| final MacAddress mac = MacAddress.fromString("52:74:f2:b1:a8:7f"); |
| final byte[] inet6ll = {(byte) 0xfe, (byte) 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, |
| 0x74, (byte) 0xf2, (byte) 0xff, (byte) 0xfe, (byte) 0xb1, (byte) 0xa8, 0x7f}; |
| final Inet6Address llv6 = mac.getLinkLocalIpv6FromEui48Mac(); |
| assertTrue(llv6.isLinkLocalAddress()); |
| assertArrayEquals(inet6ll, llv6.getAddress()); |
| } |
| |
| @Test |
| public void testParcelMacAddress() { |
| final MacAddress mac = MacAddress.fromString("52:74:f2:b1:a8:7f"); |
| |
| assertParcelSane(mac, 1); |
| } |
| } |