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 28 package org.apache.hc.client5.http.utils; 29 30 import static org.hamcrest.MatcherAssert.assertThat; 31 32 import org.hamcrest.CoreMatchers; 33 import org.junit.jupiter.api.Test; 34 35 /** 36 * Unit tests for DnsUtils. 37 */ 38 class TestDnsUtils { 39 40 @Test 41 void testNormalize() { 42 assertThat(DnsUtils.normalize(null), CoreMatchers.equalTo(null)); 43 assertThat(DnsUtils.normalize(""), CoreMatchers.equalTo("")); 44 assertThat(DnsUtils.normalize("blah"), CoreMatchers.equalTo("blah")); 45 assertThat(DnsUtils.normalize("BLAH"), CoreMatchers.equalTo("blah")); 46 assertThat(DnsUtils.normalize("blAh"), CoreMatchers.equalTo("blah")); 47 assertThat(DnsUtils.normalize("blaH"), CoreMatchers.equalTo("blah")); 48 assertThat(DnsUtils.normalize("blaH"), CoreMatchers.equalTo("blah")); 49 assertThat(DnsUtils.normalize("hac\u212A!!!"), CoreMatchers.equalTo("hac\u212A!!!")); 50 } 51 52 }