1 /* 2 * Copyright (C) 2007 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_ADD; 20 import static com.google.common.collect.testing.features.CollectionSize.ZERO; 21 22 import com.google.common.annotations.GwtCompatible; 23 import com.google.common.collect.testing.MinimalCollection; 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 addAll(Collection)} operations on a 29 * list. Can't be invoked directly; please see 30 * {@link com.google.common.collect.testing.ListTestSuiteBuilder}. 31 * 32 * @author Chris Povirk 33 */ 34 @SuppressWarnings("unchecked") // too many "unchecked generic array creations" 35 @GwtCompatible 36 public class ListAddAllTester<E> extends AbstractListTester<E> { 37 @CollectionFeature.Require(SUPPORTS_ADD) 38 @CollectionSize.Require(absent = ZERO) 39 public void testAddAll_supportedAllPresent() { 40 assertTrue("addAll(allPresent) should return true", 41 getList().addAll(MinimalCollection.of(samples.e0))); 42 expectAdded(samples.e0); 43 } 44 45 @CollectionFeature.Require(absent = SUPPORTS_ADD) 46 @CollectionSize.Require(absent = ZERO) 47 public void testAddAll_unsupportedAllPresent() { 48 try { 49 getList().addAll(MinimalCollection.of(samples.e0)); 50 fail("addAll(allPresent) should throw"); 51 } catch (UnsupportedOperationException expected) { 52 } 53 expectUnchanged(); 54 } 55 56 @CollectionFeature.Require(SUPPORTS_ADD) 57 public void testAddAll_withDuplicates() { 58 MinimalCollection<E> elementsToAdd 59 = MinimalCollection.of(samples.e0, samples.e1, samples.e0, samples.e1); 60 assertTrue("addAll(hasDuplicates) should return true", 61 getList().addAll(elementsToAdd)); 62 expectAdded(samples.e0, samples.e1, samples.e0, samples.e1); 63 } 64 } 65
