| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.util; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Unit tests for {@link LangUtils}. |
| * |
| */ |
| public class TestLangUtils { |
| |
| @Test |
| public void testBasicHash() { |
| final Integer i = Integer.valueOf(1234); |
| final int h1 = LangUtils.hashCode(LangUtils.HASH_SEED, i.hashCode()); |
| final int h2 = LangUtils.hashCode(LangUtils.HASH_SEED, i); |
| Assert.assertTrue(h1 == h2); |
| } |
| |
| @Test |
| public void testNullObjectHash() { |
| final int h1 = LangUtils.hashCode(LangUtils.HASH_SEED, null); |
| final int h2 = LangUtils.hashCode(LangUtils.HASH_SEED, 0); |
| Assert.assertTrue(h1 == h2); |
| } |
| |
| @Test |
| public void testBooleanHash() { |
| final int h1 = LangUtils.hashCode(LangUtils.HASH_SEED, true); |
| final int h2 = LangUtils.hashCode(LangUtils.HASH_SEED, false); |
| final int h3 = LangUtils.hashCode(LangUtils.HASH_SEED, true); |
| final int h4 = LangUtils.hashCode(LangUtils.HASH_SEED, false); |
| Assert.assertTrue(h1 != h2); |
| Assert.assertTrue(h1 == h3); |
| Assert.assertTrue(h2 == h4); |
| } |
| |
| @Test |
| public void testBasicEquality() { |
| Assert.assertTrue(LangUtils.equals(null, null)); |
| Assert.assertFalse(LangUtils.equals(null, "abc")); |
| Assert.assertFalse(LangUtils.equals("abc", null)); |
| Assert.assertTrue(LangUtils.equals("abc", "abc")); |
| } |
| |
| @Test |
| public void testArrayEquals() { |
| Assert.assertFalse(LangUtils.equals(null, new Object[] {})); |
| Assert.assertFalse(LangUtils.equals(new Object[] {}, null)); |
| Assert.assertTrue(LangUtils.equals(new Object[] {}, new Object[] {})); |
| Assert.assertFalse(LangUtils.equals( |
| new Object[] {Integer.valueOf(1), Integer.valueOf(2)}, |
| new Object[] {Integer.valueOf(1)})); |
| Assert.assertFalse(LangUtils.equals( |
| new Object[] {Integer.valueOf(1), Integer.valueOf(2)}, |
| new Object[] {Integer.valueOf(1), Integer.valueOf(3)})); |
| Assert.assertTrue(LangUtils.equals( |
| new Object[] {Integer.valueOf(1), Integer.valueOf(2)}, |
| new Object[] {Integer.valueOf(1), Integer.valueOf(2)})); |
| } |
| } |