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.SUPPORTS_REMOVE; 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.MinimalCollection; 25 import com.google.common.collect.testing.features.CollectionFeature; 26 import com.google.common.collect.testing.features.CollectionSize; 27 28 /** 29 * A generic JUnit test which tests removeAll operations on a list. Can't be 30 * invoked directly; please see 31 * {@link com.google.common.collect.testing.ListTestSuiteBuilder}. 32 * 33 * @author George van den Driessche 34 */ 35 @SuppressWarnings("unchecked") // too many "unchecked generic array creations" 36 @GwtCompatible 37 public class ListRemoveAllTester<E> extends AbstractListTester<E> { 38 @CollectionFeature.Require(SUPPORTS_REMOVE) 39 @CollectionSize.Require(absent = {ZERO, ONE}) 40 public void testRemoveAll_duplicate() { 41 ArrayWithDuplicate<E> arrayAndDuplicate = createArrayWithDuplicateElement(); 42 collection = getSubjectGenerator().create(arrayAndDuplicate.elements); 43 E duplicate = arrayAndDuplicate.duplicate; 44 45 assertTrue("removeAll(intersectingCollection) should return true", 46 getList().removeAll(MinimalCollection.of(duplicate))); 47 assertFalse("after removeAll(e), a collection should not contain e even " + 48 "if it initially contained e more than once.", 49 getList().contains(duplicate)); 50 } 51 52 // All other cases are covered by CollectionRemoveAllTester. 53 } 54
