Motivation: We can use the diamond operator these days. Modification: Use diamond operator whenever possible. Result: More modern code and less boiler-plate.
173 lines
6.6 KiB
Java
173 lines
6.6 KiB
Java
/*
|
|
* Copyright 2018 The Netty Project
|
|
*
|
|
* The Netty Project licenses this file to you 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 io.netty.resolver.dns;
|
|
|
|
import org.junit.BeforeClass;
|
|
import org.junit.Test;
|
|
|
|
import java.net.Inet4Address;
|
|
import java.net.Inet6Address;
|
|
import java.net.InetAddress;
|
|
import java.net.InetSocketAddress;
|
|
import java.net.UnknownHostException;
|
|
import java.util.ArrayList;
|
|
import java.util.Arrays;
|
|
import java.util.Collections;
|
|
import java.util.List;
|
|
|
|
import static org.junit.Assert.*;
|
|
|
|
|
|
public class NameServerComparatorTest {
|
|
|
|
private static InetSocketAddress IPV4ADDRESS1;
|
|
private static InetSocketAddress IPV4ADDRESS2;
|
|
private static InetSocketAddress IPV4ADDRESS3;
|
|
|
|
private static InetSocketAddress IPV6ADDRESS1;
|
|
private static InetSocketAddress IPV6ADDRESS2;
|
|
|
|
private static InetSocketAddress UNRESOLVED1;
|
|
private static InetSocketAddress UNRESOLVED2;
|
|
private static InetSocketAddress UNRESOLVED3;
|
|
|
|
@BeforeClass
|
|
public static void before() throws UnknownHostException {
|
|
IPV4ADDRESS1 = new InetSocketAddress(InetAddress.getByAddress("ns1", new byte[] { 10, 0, 0, 1 }), 53);
|
|
IPV4ADDRESS2 = new InetSocketAddress(InetAddress.getByAddress("ns2", new byte[] { 10, 0, 0, 2 }), 53);
|
|
IPV4ADDRESS3 = new InetSocketAddress(InetAddress.getByAddress("ns3", new byte[] { 10, 0, 0, 3 }), 53);
|
|
|
|
IPV6ADDRESS1 = new InetSocketAddress(InetAddress.getByAddress(
|
|
"ns1", new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }), 53);
|
|
IPV6ADDRESS2 = new InetSocketAddress(InetAddress.getByAddress(
|
|
"ns2", new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 }), 53);
|
|
|
|
UNRESOLVED1 = InetSocketAddress.createUnresolved("ns3", 53);
|
|
UNRESOLVED2 = InetSocketAddress.createUnresolved("ns4", 53);
|
|
UNRESOLVED3 = InetSocketAddress.createUnresolved("ns5", 53);
|
|
}
|
|
|
|
@Test
|
|
public void testCompareResolvedOnly() {
|
|
NameServerComparator comparator = new NameServerComparator(Inet4Address.class);
|
|
int x = comparator.compare(IPV4ADDRESS1, IPV6ADDRESS1);
|
|
int y = comparator.compare(IPV6ADDRESS1, IPV4ADDRESS1);
|
|
|
|
assertEquals(-1, x);
|
|
assertEquals(x, -y);
|
|
|
|
assertEquals(0, comparator.compare(IPV4ADDRESS1, IPV4ADDRESS1));
|
|
assertEquals(0, comparator.compare(IPV6ADDRESS1, IPV6ADDRESS1));
|
|
}
|
|
|
|
@Test
|
|
public void testCompareUnresolvedSimple() {
|
|
NameServerComparator comparator = new NameServerComparator(Inet4Address.class);
|
|
int x = comparator.compare(IPV4ADDRESS1, UNRESOLVED1);
|
|
int y = comparator.compare(UNRESOLVED1, IPV4ADDRESS1);
|
|
|
|
assertEquals(-1, x);
|
|
assertEquals(x, -y);
|
|
assertEquals(0, comparator.compare(IPV4ADDRESS1, IPV4ADDRESS1));
|
|
assertEquals(0, comparator.compare(UNRESOLVED1, UNRESOLVED1));
|
|
}
|
|
|
|
@Test
|
|
public void testCompareUnresolvedOnly() {
|
|
NameServerComparator comparator = new NameServerComparator(Inet4Address.class);
|
|
int x = comparator.compare(UNRESOLVED1, UNRESOLVED2);
|
|
int y = comparator.compare(UNRESOLVED2, UNRESOLVED1);
|
|
|
|
assertEquals(0, x);
|
|
assertEquals(x, -y);
|
|
|
|
assertEquals(0, comparator.compare(UNRESOLVED1, UNRESOLVED1));
|
|
assertEquals(0, comparator.compare(UNRESOLVED2, UNRESOLVED2));
|
|
}
|
|
|
|
@Test
|
|
public void testSortAlreadySortedPreferred() {
|
|
List<InetSocketAddress> expected = Arrays.asList(IPV4ADDRESS1, IPV4ADDRESS2, IPV4ADDRESS3);
|
|
List<InetSocketAddress> addresses = new ArrayList<>(expected);
|
|
NameServerComparator comparator = new NameServerComparator(Inet4Address.class);
|
|
|
|
Collections.sort(addresses, comparator);
|
|
|
|
assertEquals(expected, addresses);
|
|
}
|
|
|
|
@Test
|
|
public void testSortAlreadySortedNotPreferred() {
|
|
List<InetSocketAddress> expected = Arrays.asList(IPV4ADDRESS1, IPV4ADDRESS2, IPV4ADDRESS3);
|
|
List<InetSocketAddress> addresses = new ArrayList<>(expected);
|
|
NameServerComparator comparator = new NameServerComparator(Inet6Address.class);
|
|
|
|
Collections.sort(addresses, comparator);
|
|
|
|
assertEquals(expected, addresses);
|
|
}
|
|
|
|
@Test
|
|
public void testSortAlreadySortedUnresolved() {
|
|
List<InetSocketAddress> expected = Arrays.asList(UNRESOLVED1, UNRESOLVED2, UNRESOLVED3);
|
|
List<InetSocketAddress> addresses = new ArrayList<>(expected);
|
|
NameServerComparator comparator = new NameServerComparator(Inet6Address.class);
|
|
|
|
Collections.sort(addresses, comparator);
|
|
|
|
assertEquals(expected, addresses);
|
|
}
|
|
|
|
@Test
|
|
public void testSortAlreadySortedMixed() {
|
|
List<InetSocketAddress> expected = Arrays.asList(
|
|
IPV4ADDRESS1, IPV4ADDRESS2, IPV6ADDRESS1, IPV6ADDRESS2, UNRESOLVED1, UNRESOLVED2);
|
|
|
|
List<InetSocketAddress> addresses = new ArrayList<>(expected);
|
|
NameServerComparator comparator = new NameServerComparator(Inet4Address.class);
|
|
|
|
Collections.sort(addresses, comparator);
|
|
|
|
assertEquals(expected, addresses);
|
|
}
|
|
|
|
@Test
|
|
public void testSort1() {
|
|
List<InetSocketAddress> expected = Arrays.asList(
|
|
IPV4ADDRESS1, IPV4ADDRESS2, IPV6ADDRESS1, IPV6ADDRESS2, UNRESOLVED1, UNRESOLVED2);
|
|
List<InetSocketAddress> addresses = new ArrayList<>(
|
|
Arrays.asList(IPV6ADDRESS1, IPV4ADDRESS1, IPV6ADDRESS2, UNRESOLVED1, UNRESOLVED2, IPV4ADDRESS2));
|
|
NameServerComparator comparator = new NameServerComparator(Inet4Address.class);
|
|
|
|
Collections.sort(addresses, comparator);
|
|
|
|
assertEquals(expected, addresses);
|
|
}
|
|
|
|
@Test
|
|
public void testSort2() {
|
|
List<InetSocketAddress> expected = Arrays.asList(
|
|
IPV4ADDRESS1, IPV4ADDRESS2, IPV6ADDRESS1, IPV6ADDRESS2, UNRESOLVED1, UNRESOLVED2);
|
|
List<InetSocketAddress> addresses = new ArrayList<>(
|
|
Arrays.asList(IPV4ADDRESS1, IPV6ADDRESS1, IPV6ADDRESS2, UNRESOLVED1, IPV4ADDRESS2, UNRESOLVED2));
|
|
NameServerComparator comparator = new NameServerComparator(Inet4Address.class);
|
|
|
|
Collections.sort(addresses, comparator);
|
|
|
|
assertEquals(expected, addresses);
|
|
}
|
|
}
|