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; 021 022import com.google.common.annotations.GwtCompatible; 023import com.google.common.collect.testing.MinimalCollection; 024import com.google.common.collect.testing.features.CollectionFeature; 025import com.google.common.collect.testing.features.CollectionSize; 026import org.junit.Ignore; 027 028/** 029 * A generic JUnit test which tests addAll operations on a set. Can't be invoked directly; please 030 * see {@link com.google.common.collect.testing.SetTestSuiteBuilder}. 031 * 032 * @author Kevin Bourrillion 033 */ 034@SuppressWarnings("unchecked") // too many "unchecked generic array creations" 035@GwtCompatible 036@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 037public class SetAddAllTester<E> extends AbstractSetTester<E> { 038 @CollectionFeature.Require(SUPPORTS_ADD) 039 @CollectionSize.Require(absent = ZERO) 040 public void testAddAll_supportedSomePresent() { 041 assertTrue( 042 "add(somePresent) should return true", getSet().addAll(MinimalCollection.of(e3(), e0()))); 043 expectAdded(e3()); 044 } 045 046 @CollectionFeature.Require(SUPPORTS_ADD) 047 public void testAddAll_withDuplicates() { 048 MinimalCollection<E> elementsToAdd = MinimalCollection.of(e3(), e4(), e3(), e4()); 049 assertTrue("add(hasDuplicates) should return true", getSet().addAll(elementsToAdd)); 050 expectAdded(e3(), e4()); 051 } 052 053 @CollectionFeature.Require(SUPPORTS_ADD) 054 @CollectionSize.Require(absent = ZERO) 055 public void testAddAll_supportedAllPresent() { 056 assertFalse("add(allPresent) should return false", getSet().addAll(MinimalCollection.of(e0()))); 057 expectUnchanged(); 058 } 059}