| /* |
| * Copyright (C) 2008 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.common.collect.testing.testers; |
| |
| import static com.google.common.collect.testing.Helpers.assertContentsInOrder; |
| import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE; |
| import static com.google.common.collect.testing.features.CollectionSize.ONE; |
| import static com.google.common.collect.testing.features.CollectionSize.SEVERAL; |
| import static com.google.common.collect.testing.features.CollectionSize.ZERO; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.testing.MinimalCollection; |
| import com.google.common.collect.testing.features.CollectionFeature; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import java.util.Arrays; |
| import org.junit.Ignore; |
| |
| /** |
| * A generic JUnit test which tests {@code retainAll} operations on a list. Can't be invoked |
| * directly; please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}. |
| * |
| * @author Chris Povirk |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class ListRetainAllTester<E> extends AbstractListTester<E> { |
| @CollectionFeature.Require(SUPPORTS_REMOVE) |
| @CollectionSize.Require(absent = {ZERO, ONE}) |
| public void testRetainAll_duplicatesKept() { |
| E[] array = createSamplesArray(); |
| array[1] = e0(); |
| collection = getSubjectGenerator().create(array); |
| assertFalse( |
| "containsDuplicates.retainAll(superset) should return false", |
| collection.retainAll(MinimalCollection.of(createSamplesArray()))); |
| expectContents(array); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @CollectionFeature.Require(SUPPORTS_REMOVE) |
| @CollectionSize.Require(SEVERAL) |
| public void testRetainAll_duplicatesRemoved() { |
| E[] array = createSamplesArray(); |
| array[1] = e0(); |
| collection = getSubjectGenerator().create(array); |
| assertTrue( |
| "containsDuplicates.retainAll(subset) should return true", |
| collection.retainAll(MinimalCollection.of(e2()))); |
| expectContents(e2()); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @CollectionFeature.Require(SUPPORTS_REMOVE) |
| @CollectionSize.Require(SEVERAL) |
| public void testRetainAll_countIgnored() { |
| resetContainer(getSubjectGenerator().create(e0(), e2(), e1(), e0())); |
| assertTrue(getList().retainAll(Arrays.asList(e0(), e1()))); |
| assertContentsInOrder(getList(), e0(), e1(), e0()); |
| } |
| } |