| /* |
| * 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; |
| |
| import static com.google.common.collect.testing.features.CollectionFeature.SERIALIZABLE; |
| import static com.google.common.collect.testing.features.CollectionFeature.SERIALIZABLE_INCLUDING_VIEWS; |
| |
| import com.google.common.annotations.GwtIncompatible; |
| import com.google.common.collect.testing.features.Feature; |
| import com.google.common.collect.testing.testers.CollectionSerializationEqualTester; |
| import com.google.common.collect.testing.testers.SetAddAllTester; |
| import com.google.common.collect.testing.testers.SetAddTester; |
| import com.google.common.collect.testing.testers.SetCreationTester; |
| import com.google.common.collect.testing.testers.SetEqualsTester; |
| import com.google.common.collect.testing.testers.SetHashCodeTester; |
| import com.google.common.collect.testing.testers.SetRemoveTester; |
| import com.google.common.testing.SerializableTester; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import junit.framework.TestSuite; |
| |
| /** |
| * Creates, based on your criteria, a JUnit test suite that exhaustively tests a Set implementation. |
| * |
| * @author George van den Driessche |
| */ |
| @GwtIncompatible |
| public class SetTestSuiteBuilder<E> |
| extends AbstractCollectionTestSuiteBuilder<SetTestSuiteBuilder<E>, E> { |
| public static <E> SetTestSuiteBuilder<E> using(TestSetGenerator<E> generator) { |
| return new SetTestSuiteBuilder<E>().usingGenerator(generator); |
| } |
| |
| @Override |
| protected List<Class<? extends AbstractTester>> getTesters() { |
| List<Class<? extends AbstractTester>> testers = Helpers.copyToList(super.getTesters()); |
| |
| testers.add(CollectionSerializationEqualTester.class); |
| testers.add(SetAddAllTester.class); |
| testers.add(SetAddTester.class); |
| testers.add(SetCreationTester.class); |
| testers.add(SetHashCodeTester.class); |
| testers.add(SetEqualsTester.class); |
| testers.add(SetRemoveTester.class); |
| // SetRemoveAllTester doesn't exist because, Sets not permitting |
| // duplicate elements, there are no tests for Set.removeAll() that aren't |
| // covered by CollectionRemoveAllTester. |
| return testers; |
| } |
| |
| @Override |
| protected List<TestSuite> createDerivedSuites( |
| FeatureSpecificTestSuiteBuilder<?, ? extends OneSizeTestContainerGenerator<Collection<E>, E>> |
| parentBuilder) { |
| List<TestSuite> derivedSuites = new ArrayList<>(super.createDerivedSuites(parentBuilder)); |
| |
| if (parentBuilder.getFeatures().contains(SERIALIZABLE)) { |
| derivedSuites.add( |
| SetTestSuiteBuilder.using( |
| new ReserializedSetGenerator<E>(parentBuilder.getSubjectGenerator())) |
| .named(getName() + " reserialized") |
| .withFeatures(computeReserializedCollectionFeatures(parentBuilder.getFeatures())) |
| .suppressing(parentBuilder.getSuppressedTests()) |
| .createTestSuite()); |
| } |
| return derivedSuites; |
| } |
| |
| static class ReserializedSetGenerator<E> implements TestSetGenerator<E> { |
| final OneSizeTestContainerGenerator<Collection<E>, E> gen; |
| |
| private ReserializedSetGenerator(OneSizeTestContainerGenerator<Collection<E>, E> gen) { |
| this.gen = gen; |
| } |
| |
| @Override |
| public SampleElements<E> samples() { |
| return gen.samples(); |
| } |
| |
| @Override |
| public Set<E> create(Object... elements) { |
| return (Set<E>) SerializableTester.reserialize(gen.create(elements)); |
| } |
| |
| @Override |
| public E[] createArray(int length) { |
| return gen.createArray(length); |
| } |
| |
| @Override |
| public Iterable<E> order(List<E> insertionOrder) { |
| return gen.order(insertionOrder); |
| } |
| } |
| |
| private static Set<Feature<?>> computeReserializedCollectionFeatures(Set<Feature<?>> features) { |
| Set<Feature<?>> derivedFeatures = new HashSet<>(); |
| derivedFeatures.addAll(features); |
| derivedFeatures.remove(SERIALIZABLE); |
| derivedFeatures.remove(SERIALIZABLE_INCLUDING_VIEWS); |
| return derivedFeatures; |
| } |
| } |