1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.lang3.builder; 18 19 import static org.junit.jupiter.api.Assertions.assertEquals; 20 import static org.junit.jupiter.api.Assertions.assertThrows; 21 22 import org.apache.commons.lang3.AbstractLangTest; 23 import org.junit.jupiter.api.Test; 24 25 26 /** 27 * Unit tests {@link Diff}. 28 */ 29 public class DiffTest extends AbstractLangTest { 30 31 private static final String FIELD_NAME = "field"; 32 private static final Diff<Boolean> booleanDiff = new BooleanDiff(FIELD_NAME); 33 34 private static class BooleanDiff extends Diff<Boolean> { 35 private static final long serialVersionUID = 1L; 36 BooleanDiff(final String fieldName)37 protected BooleanDiff(final String fieldName) { 38 super(fieldName); 39 } 40 41 @Override getLeft()42 public Boolean getLeft() { 43 return Boolean.TRUE; 44 } 45 46 @Override getRight()47 public Boolean getRight() { 48 return Boolean.FALSE; 49 } 50 } 51 52 @Test testCannotModify()53 public void testCannotModify() { 54 assertThrows(UnsupportedOperationException.class, () -> booleanDiff.setValue(Boolean.FALSE)); 55 } 56 57 @Test testGetFieldName()58 public void testGetFieldName() { 59 assertEquals(FIELD_NAME, booleanDiff.getFieldName()); 60 } 61 62 @Test testGetType()63 public void testGetType() { 64 assertEquals(Boolean.class, booleanDiff.getType()); 65 } 66 67 @Test testToString()68 public void testToString() { 69 assertEquals(String.format("[%s: %s, %s]", FIELD_NAME, booleanDiff.getLeft(), 70 booleanDiff.getRight()), booleanDiff.toString()); 71 } 72 } 73