001/* 002 * Copyright (C) 2007 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package com.google.common.collect.testing.testers; 018 019import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_VALUES; 020import static com.google.common.collect.testing.features.CollectionSize.ZERO; 021 022import com.google.common.annotations.GwtCompatible; 023import com.google.common.collect.testing.WrongType; 024import com.google.common.collect.testing.features.CollectionFeature; 025import com.google.common.collect.testing.features.CollectionSize; 026import org.junit.Ignore; 027 028/** 029 * Common parent class for {@link ListIndexOfTester} and {@link ListLastIndexOfTester}. 030 * 031 * @author Chris Povirk 032 */ 033@GwtCompatible 034@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 035public abstract class AbstractListIndexOfTester<E> extends AbstractListTester<E> { 036 /** Override to call {@code indexOf()} or {@code lastIndexOf()}. */ 037 protected abstract int find(Object o); 038 039 /** Override to return "indexOf" or "lastIndexOf()" for use in failure messages. */ 040 protected abstract String getMethodName(); 041 042 @CollectionSize.Require(absent = ZERO) 043 public void testFind_yes() { 044 assertEquals( 045 getMethodName() + "(firstElement) should return 0", 0, find(getOrderedElements().get(0))); 046 } 047 048 public void testFind_no() { 049 assertEquals(getMethodName() + "(notPresent) should return -1", -1, find(e3())); 050 } 051 052 @CollectionFeature.Require(ALLOWS_NULL_VALUES) 053 public void testFind_nullNotContainedButSupported() { 054 assertEquals(getMethodName() + "(nullNotPresent) should return -1", -1, find(null)); 055 } 056 057 @CollectionFeature.Require(absent = ALLOWS_NULL_VALUES) 058 public void testFind_nullNotContainedAndUnsupported() { 059 try { 060 assertEquals(getMethodName() + "(nullNotPresent) should return -1 or throw", -1, find(null)); 061 } catch (NullPointerException tolerated) { 062 } 063 } 064 065 @CollectionFeature.Require(ALLOWS_NULL_VALUES) 066 @CollectionSize.Require(absent = ZERO) 067 public void testFind_nonNullWhenNullContained() { 068 initCollectionWithNullElement(); 069 assertEquals(getMethodName() + "(notPresent) should return -1", -1, find(e3())); 070 } 071 072 @CollectionFeature.Require(ALLOWS_NULL_VALUES) 073 @CollectionSize.Require(absent = ZERO) 074 public void testFind_nullContained() { 075 initCollectionWithNullElement(); 076 assertEquals( 077 getMethodName() + "(null) should return " + getNullLocation(), 078 getNullLocation(), 079 find(null)); 080 } 081 082 public void testFind_wrongType() { 083 try { 084 assertEquals( 085 getMethodName() + "(wrongType) should return -1 or throw", -1, find(WrongType.VALUE)); 086 } catch (ClassCastException tolerated) { 087 } 088 } 089}