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@GwtCompatible
035@Ignore("test runners must not instantiate and run this directly, only via suites we build")
036// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
037@SuppressWarnings("JUnit4ClassUsedInJUnit3")
038public class SetAddAllTester<E> extends AbstractSetTester<E> {
039  @CollectionFeature.Require(SUPPORTS_ADD)
040  @CollectionSize.Require(absent = ZERO)
041  public void testAddAll_supportedSomePresent() {
042    assertTrue(
043        "add(somePresent) should return true", getSet().addAll(MinimalCollection.of(e3(), e0())));
044    expectAdded(e3());
045  }
046
047  @CollectionFeature.Require(SUPPORTS_ADD)
048  public void testAddAll_withDuplicates() {
049    MinimalCollection<E> elementsToAdd = MinimalCollection.of(e3(), e4(), e3(), e4());
050    assertTrue("add(hasDuplicates) should return true", getSet().addAll(elementsToAdd));
051    expectAdded(e3(), e4());
052  }
053
054  @CollectionFeature.Require(SUPPORTS_ADD)
055  @CollectionSize.Require(absent = ZERO)
056  public void testAddAll_supportedAllPresent() {
057    assertFalse("add(allPresent) should return false", getSet().addAll(MinimalCollection.of(e0())));
058    expectUnchanged();
059  }
060}