1 /* 2 * Copyright (C) 2008 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.collect.testing.testers; 18 19 import static com.google.common.collect.testing.features.CollectionFeature.REJECTS_DUPLICATES_AT_CREATION; 20 import static com.google.common.collect.testing.features.CollectionSize.ONE; 21 import static com.google.common.collect.testing.features.CollectionSize.ZERO; 22 23 import com.google.common.annotations.GwtCompatible; 24 import com.google.common.collect.testing.features.CollectionFeature; 25 import com.google.common.collect.testing.features.CollectionSize; 26 27 /** 28 * A generic JUnit test which tests {@code lastIndexOf()} operations on a list. 29 * Can't be invoked directly; please see 30 * {@link com.google.common.collect.testing.ListTestSuiteBuilder}. 31 * 32 * @author Chris Povirk 33 */ 34 @GwtCompatible 35 public class ListLastIndexOfTester<E> extends AbstractListIndexOfTester<E> { find(Object o)36 @Override protected int find(Object o) { 37 return getList().lastIndexOf(o); 38 } 39 getMethodName()40 @Override protected String getMethodName() { 41 return "lastIndexOf"; 42 } 43 44 @CollectionFeature.Require(absent = REJECTS_DUPLICATES_AT_CREATION) 45 @CollectionSize.Require(absent = {ZERO, ONE}) testLastIndexOf_duplicate()46 public void testLastIndexOf_duplicate() { 47 E[] array = createSamplesArray(); 48 array[getNumElements() / 2] = samples.e0; 49 collection = getSubjectGenerator().create(array); 50 assertEquals( 51 "lastIndexOf(duplicate) should return index of last occurrence", 52 getNumElements() / 2, getList().lastIndexOf(samples.e0)); 53 } 54 } 55