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Diffstat (limited to 'common/tests/unit/src/com/android/net/module/util/netlink/StructNdOptPref64Test.java')
-rw-r--r--common/tests/unit/src/com/android/net/module/util/netlink/StructNdOptPref64Test.java202
1 files changed, 0 insertions, 202 deletions
diff --git a/common/tests/unit/src/com/android/net/module/util/netlink/StructNdOptPref64Test.java b/common/tests/unit/src/com/android/net/module/util/netlink/StructNdOptPref64Test.java
deleted file mode 100644
index beed8383..00000000
--- a/common/tests/unit/src/com/android/net/module/util/netlink/StructNdOptPref64Test.java
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- * Copyright (C) 2019 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.netlink;
-
-import static com.android.net.module.util.netlink.StructNdOptPref64.getScaledLifetimePlc;
-import static com.android.net.module.util.netlink.StructNdOptPref64.plcToPrefixLength;
-import static com.android.net.module.util.netlink.StructNdOptPref64.prefixLengthToPlc;
-import static com.android.testutils.MiscAsserts.assertThrows;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-
-import android.annotation.SuppressLint;
-import android.net.IpPrefix;
-
-import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
-
-import libcore.util.HexEncoding;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import java.net.InetAddress;
-import java.nio.ByteBuffer;
-
-@RunWith(AndroidJUnit4.class)
-@SmallTest
-public class StructNdOptPref64Test {
-
- private static final String PREFIX1 = "64:ff9b::";
- private static final String PREFIX2 = "2001:db8:1:2:3:64::";
-
- private static byte[] prefixBytes(String addrString) throws Exception {
- InetAddress addr = InetAddress.getByName(addrString);
- byte[] prefixBytes = new byte[12];
- System.arraycopy(addr.getAddress(), 0, prefixBytes, 0, 12);
- return prefixBytes;
- }
-
- @SuppressLint("NewApi")
- private static IpPrefix prefix(String addrString, int prefixLength) throws Exception {
- return new IpPrefix(InetAddress.getByName(addrString), prefixLength);
- }
-
- private void assertPref64OptMatches(int lifetime, IpPrefix prefix, StructNdOptPref64 opt) {
- assertEquals(StructNdOptPref64.TYPE, opt.type);
- assertEquals(2, opt.length);
- assertEquals(lifetime, opt.lifetime);
- assertEquals(prefix, opt.prefix);
- }
-
- private void assertToByteBufferMatches(StructNdOptPref64 opt, String expected) {
- String actual = HexEncoding.encodeToString(opt.toByteBuffer().array());
- assertEquals(expected, actual);
- }
-
- private ByteBuffer makeNdOptPref64(int lifetime, byte[] prefix, int prefixLengthCode) {
- if (prefix.length != 12) throw new IllegalArgumentException("Prefix must be 12 bytes");
-
- ByteBuffer buf = ByteBuffer.allocate(16)
- .put((byte) StructNdOptPref64.TYPE)
- .put((byte) StructNdOptPref64.LENGTH)
- .putShort(getScaledLifetimePlc(lifetime, prefixLengthCode))
- .put(prefix, 0, 12);
-
- buf.flip();
- return buf;
- }
-
- @Test
- public void testParseCannedOption() throws Exception {
- String hexBytes = "2602" // type=38, len=2 (16 bytes)
- + "0088" // lifetime=136, PLC=0 (/96)
- + "20010DB80003000400050006"; // 2001:db8:3:4:5:6/96
- byte[] rawBytes = HexEncoding.decode(hexBytes);
- StructNdOptPref64 opt = StructNdOptPref64.parse(ByteBuffer.wrap(rawBytes));
- assertPref64OptMatches(136, prefix("2001:DB8:3:4:5:6::", 96), opt);
- assertToByteBufferMatches(opt, hexBytes);
-
- hexBytes = "2602" // type=38, len=2 (16 bytes)
- + "2752" // lifetime=10064, PLC=2 (/56)
- + "0064FF9B0000000000000000"; // 64:ff9b::/56
- rawBytes = HexEncoding.decode(hexBytes);
- opt = StructNdOptPref64.parse(ByteBuffer.wrap(rawBytes));
- assertPref64OptMatches(10064, prefix("64:FF9B::", 56), opt);
- assertToByteBufferMatches(opt, hexBytes);
- }
-
- @Test
- public void testParsing() throws Exception {
- // Valid.
- ByteBuffer buf = makeNdOptPref64(600, prefixBytes(PREFIX1), 0);
- StructNdOptPref64 opt = StructNdOptPref64.parse(buf);
- assertPref64OptMatches(600, prefix(PREFIX1, 96), opt);
-
- // Valid, zero lifetime, /64.
- buf = makeNdOptPref64(0, prefixBytes(PREFIX1), 1);
- opt = StructNdOptPref64.parse(buf);
- assertPref64OptMatches(0, prefix(PREFIX1, 64), opt);
-
- // Valid, low lifetime, /56.
- buf = makeNdOptPref64(8, prefixBytes(PREFIX2), 2);
- opt = StructNdOptPref64.parse(buf);
- assertPref64OptMatches(8, prefix(PREFIX2, 56), opt);
- assertEquals(new IpPrefix("2001:db8:1::/56"), opt.prefix); // Prefix is truncated.
-
- // Valid, maximum lifetime, /32.
- buf = makeNdOptPref64(65528, prefixBytes(PREFIX2), 5);
- opt = StructNdOptPref64.parse(buf);
- assertPref64OptMatches(65528, prefix(PREFIX2, 32), opt);
- assertEquals(new IpPrefix("2001:db8::/32"), opt.prefix); // Prefix is truncated.
-
- // Lifetime not divisible by 8.
- buf = makeNdOptPref64(300, prefixBytes(PREFIX2), 0);
- opt = StructNdOptPref64.parse(buf);
- assertPref64OptMatches(296, prefix(PREFIX2, 96), opt);
-
- // Invalid prefix length codes.
- buf = makeNdOptPref64(600, prefixBytes(PREFIX1), 6);
- assertNull(StructNdOptPref64.parse(buf));
- buf = makeNdOptPref64(600, prefixBytes(PREFIX1), 7);
- assertNull(StructNdOptPref64.parse(buf));
-
- // Truncated to varying lengths...
- buf = makeNdOptPref64(600, prefixBytes(PREFIX1), 3);
- final int len = buf.limit();
- for (int i = 0; i < buf.limit() - 1; i++) {
- buf.flip();
- buf.limit(i);
- assertNull("Option truncated to " + i + " bytes, should have returned null",
- StructNdOptPref64.parse(buf));
- }
- buf.flip();
- buf.limit(len);
- // ... but otherwise OK.
- opt = StructNdOptPref64.parse(buf);
- assertPref64OptMatches(600, prefix(PREFIX1, 48), opt);
- }
-
- @Test
- public void testToString() throws Exception {
- ByteBuffer buf = makeNdOptPref64(600, prefixBytes(PREFIX1), 4);
- StructNdOptPref64 opt = StructNdOptPref64.parse(buf);
- assertPref64OptMatches(600, prefix(PREFIX1, 40), opt);
- assertEquals("NdOptPref64(64:ff9b::/40, 600)", opt.toString());
- }
-
- private void assertInvalidPlc(int plc) {
- assertThrows(IllegalArgumentException.class, () -> plcToPrefixLength(plc));
- }
-
- @Test
- public void testPrefixLengthToPlc() {
- for (int i = 0; i < 6; i++) {
- assertEquals(i, prefixLengthToPlc(plcToPrefixLength(i)));
- }
- assertInvalidPlc(-1);
- assertInvalidPlc(6);
- assertInvalidPlc(7);
- assertEquals(0, prefixLengthToPlc(96));
- }
-
-
- private void assertInvalidParameters(IpPrefix prefix, int lifetime) {
- assertThrows(IllegalArgumentException.class, () -> new StructNdOptPref64(prefix, lifetime));
- }
-
- @Test
- public void testToByteBuffer() throws Exception {
- final IpPrefix prefix1 = prefix(PREFIX1, 56);
- final IpPrefix prefix2 = prefix(PREFIX2, 96);
-
- StructNdOptPref64 opt = new StructNdOptPref64(prefix1, 600);
- assertToByteBufferMatches(opt, "2602025A0064FF9B0000000000000000");
- assertEquals(new IpPrefix("64:ff9b::/56"), opt.prefix);
- assertEquals(600, opt.lifetime);
-
- opt = new StructNdOptPref64(prefix2, 65519);
- assertToByteBufferMatches(opt, "2602FFE820010DB80001000200030064");
- assertEquals(new IpPrefix("2001:db8:1:2:3:64::/96"), opt.prefix);
- assertEquals(65512, opt.lifetime);
-
- assertInvalidParameters(prefix1, 65535);
- assertInvalidParameters(prefix2, -1);
- assertInvalidParameters(prefix("1.2.3.4", 32), 600);
- }
-}
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