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.core5.util; 29 30 import org.junit.jupiter.api.Assertions; 31 import org.junit.jupiter.api.Test; 32 33 /** 34 * Unit tests for {@link LangUtils}. 35 * 36 */ 37 public class TestLangUtils { 38 39 @Test 40 public void testBasicHash() { 41 final Integer i = Integer.valueOf(1234); 42 final int h1 = LangUtils.hashCode(LangUtils.HASH_SEED, i.hashCode()); 43 final int h2 = LangUtils.hashCode(LangUtils.HASH_SEED, i); 44 Assertions.assertEquals(h1, h2); 45 } 46 47 @Test 48 public void testNullObjectHash() { 49 final int h1 = LangUtils.hashCode(LangUtils.HASH_SEED, null); 50 final int h2 = LangUtils.hashCode(LangUtils.HASH_SEED, 0); 51 Assertions.assertEquals(h1, h2); 52 } 53 54 @Test 55 public void testBooleanHash() { 56 final int h1 = LangUtils.hashCode(LangUtils.HASH_SEED, true); 57 final int h2 = LangUtils.hashCode(LangUtils.HASH_SEED, false); 58 final int h3 = LangUtils.hashCode(LangUtils.HASH_SEED, true); 59 final int h4 = LangUtils.hashCode(LangUtils.HASH_SEED, false); 60 Assertions.assertTrue(h1 != h2); 61 Assertions.assertEquals(h1, h3); 62 Assertions.assertEquals(h2, h4); 63 } 64 65 }