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_ALL; 20 import static com.google.common.collect.testing.features.CollectionSize.ZERO; 21 22 import com.google.common.collect.testing.MinimalCollection; 23 import com.google.common.collect.testing.features.CollectionFeature; 24 import com.google.common.collect.testing.features.CollectionSize; 25 26 /** 27 * A generic JUnit test which tests addAll operations on a set. Can't be 28 * invoked directly; please see 29 * {@link com.google.common.collect.testing.SetTestSuiteBuilder}. 30 * 31 * <p>This class is GWT compatible. 32 * 33 * @author Kevin Bourrillion 34 */ 35 @SuppressWarnings("unchecked") // too many "unchecked generic array creations" 36 public class SetAddAllTester<E> extends AbstractSetTester<E> { 37 @CollectionFeature.Require(SUPPORTS_ADD_ALL) 38 @CollectionSize.Require(absent = ZERO) 39 public void testAddAll_supportedSomePresent() { 40 assertTrue("add(somePresent) should return true", 41 getSet().addAll(MinimalCollection.of(samples.e3, samples.e0))); 42 expectAdded(samples.e3); 43 } 44 45 @CollectionFeature.Require(SUPPORTS_ADD_ALL) 46 public void testAddAll_withDuplicates() { 47 MinimalCollection<E> elementsToAdd 48 = MinimalCollection.of(samples.e3, samples.e4, samples.e3, samples.e4); 49 assertTrue("add(hasDuplicates) should return true", 50 getSet().addAll(elementsToAdd)); 51 expectAdded(samples.e3, samples.e4); 52 } 53 54 @CollectionFeature.Require(SUPPORTS_ADD_ALL) 55 @CollectionSize.Require(absent = ZERO) 56 public void testAddAll_supportedAllPresent() { 57 assertFalse("add(allPresent) should return false", 58 getSet().addAll(MinimalCollection.of(samples.e0))); 59 expectUnchanged(); 60 } 61 } 62
