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.SUPPORTS_ADD; 020import static com.google.common.collect.testing.features.CollectionSize.ZERO; 021import static com.google.common.collect.testing.testers.ReflectionFreeAssertThrows.assertThrows; 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 {@code addAll(Collection)} operations on a list. Can't be 031 * invoked directly; please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}. 032 * 033 * @author Chris Povirk 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 ListAddAllTester<E> extends AbstractListTester<E> { 040 @CollectionFeature.Require(SUPPORTS_ADD) 041 @CollectionSize.Require(absent = ZERO) 042 public void testAddAll_supportedAllPresent() { 043 assertTrue( 044 "addAll(allPresent) should return true", getList().addAll(MinimalCollection.of(e0()))); 045 expectAdded(e0()); 046 } 047 048 @CollectionFeature.Require(absent = SUPPORTS_ADD) 049 @CollectionSize.Require(absent = ZERO) 050 public void testAddAll_unsupportedAllPresent() { 051 assertThrows( 052 UnsupportedOperationException.class, () -> getList().addAll(MinimalCollection.of(e0()))); 053 expectUnchanged(); 054 } 055 056 @CollectionFeature.Require(SUPPORTS_ADD) 057 public void testAddAll_withDuplicates() { 058 MinimalCollection<E> elementsToAdd = MinimalCollection.of(e0(), e1(), e0(), e1()); 059 assertTrue("addAll(hasDuplicates) should return true", getList().addAll(elementsToAdd)); 060 expectAdded(e0(), e1(), e0(), e1()); 061 } 062}