1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 package org.apache.hc.client5.http; 28 29 import static org.junit.jupiter.api.Assertions.assertArrayEquals; 30 import static org.junit.jupiter.api.Assertions.assertEquals; 31 32 import java.net.InetAddress; 33 import java.net.UnknownHostException; 34 35 import org.junit.jupiter.api.Test; 36 37 class SystemDefaultDnsResolverTest { 38 39 @Test 40 void resolve() throws UnknownHostException { 41 final SystemDefaultDnsResolver resolver = SystemDefaultDnsResolver.INSTANCE; 42 final InetAddress[] result1 = resolver.resolve("127.0.0.1"); 43 assertEquals(1, result1.length); 44 assertArrayEquals(new byte[]{127, 0, 0, 1}, result1[0].getAddress()); 45 } 46 47 @Test 48 void resolveIPv6ZoneId() throws UnknownHostException { 49 final SystemDefaultDnsResolver resolver = SystemDefaultDnsResolver.INSTANCE; 50 51 // This is an IPv6 address literal with zone ID 52 final InetAddress[] result = resolver.resolve("[fe80::221:b7ff:fe8a:57d5%en4]"); 53 assertEquals(1, result.length); 54 assertArrayEquals(new byte[]{(byte) 0xfe, (byte) 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x21, (byte) 0xb7, (byte) 0xff, (byte) 0xfe, (byte) 0x8a, 0x57, (byte) 0xd5}, result[0].getAddress()); 55 56 } 57 58 }