001/* 002 * Copyright (C) 2008 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.SUPPORTS_REMOVE; 020import static com.google.common.collect.testing.features.CollectionSize.ONE; 021import static com.google.common.collect.testing.features.CollectionSize.ZERO; 022 023import com.google.common.annotations.GwtCompatible; 024import com.google.common.collect.testing.MinimalCollection; 025import com.google.common.collect.testing.features.CollectionFeature; 026import com.google.common.collect.testing.features.CollectionSize; 027import org.junit.Ignore; 028 029/** 030 * A generic JUnit test which tests removeAll operations on a list. Can't be invoked directly; 031 * please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}. 032 * 033 * @author George van den Driessche 034 */ 035@GwtCompatible 036@Ignore("test runners must not instantiate and run this directly, only via suites we build") 037// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 038@SuppressWarnings("JUnit4ClassUsedInJUnit3") 039public class ListRemoveAllTester<E> extends AbstractListTester<E> { 040 @CollectionFeature.Require(SUPPORTS_REMOVE) 041 @CollectionSize.Require(absent = {ZERO, ONE}) 042 public void testRemoveAll_duplicate() { 043 ArrayWithDuplicate<E> arrayAndDuplicate = createArrayWithDuplicateElement(); 044 collection = getSubjectGenerator().create(arrayAndDuplicate.elements); 045 E duplicate = arrayAndDuplicate.duplicate; 046 047 assertTrue( 048 "removeAll(intersectingCollection) should return true", 049 getList().removeAll(MinimalCollection.of(duplicate))); 050 assertFalse( 051 "after removeAll(e), a collection should not contain e even " 052 + "if it initially contained e more than once.", 053 getList().contains(duplicate)); 054 } 055 056 // All other cases are covered by CollectionRemoveAllTester. 057}