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/*
* 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 com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.Feature;
import com.google.common.collect.testing.testers.CollectionSerializationEqualTester;
import com.google.common.collect.testing.testers.ListAddAllAtIndexTester;
import com.google.common.collect.testing.testers.ListAddAllTester;
import com.google.common.collect.testing.testers.ListAddAtIndexTester;
import com.google.common.collect.testing.testers.ListAddTester;
import com.google.common.collect.testing.testers.ListCreationTester;
import com.google.common.collect.testing.testers.ListEqualsTester;
import com.google.common.collect.testing.testers.ListGetTester;
import com.google.common.collect.testing.testers.ListHashCodeTester;
import com.google.common.collect.testing.testers.ListIndexOfTester;
import com.google.common.collect.testing.testers.ListLastIndexOfTester;
import com.google.common.collect.testing.testers.ListListIteratorTester;
import com.google.common.collect.testing.testers.ListRemoveAllTester;
import com.google.common.collect.testing.testers.ListRemoveAtIndexTester;
import com.google.common.collect.testing.testers.ListRemoveTester;
import com.google.common.collect.testing.testers.ListRetainAllTester;
import com.google.common.collect.testing.testers.ListSetTester;
import com.google.common.collect.testing.testers.ListSubListTester;
import com.google.common.collect.testing.testers.ListToArrayTester;
import com.google.common.testing.SerializableTester;
import junit.framework.TestSuite;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* Creates, based on your criteria, a JUnit test suite that exhaustively tests
* a List implementation.
*
* @author George van den Driessche
*/
public final class ListTestSuiteBuilder<E> extends
AbstractCollectionTestSuiteBuilder<ListTestSuiteBuilder<E>, E> {
public static <E> ListTestSuiteBuilder<E> using(
TestListGenerator<E> generator) {
return new ListTestSuiteBuilder<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(ListAddAllAtIndexTester.class);
testers.add(ListAddAllTester.class);
testers.add(ListAddAtIndexTester.class);
testers.add(ListAddTester.class);
testers.add(ListCreationTester.class);
testers.add(ListEqualsTester.class);
testers.add(ListGetTester.class);
testers.add(ListHashCodeTester.class);
testers.add(ListIndexOfTester.class);
testers.add(ListLastIndexOfTester.class);
testers.add(ListListIteratorTester.class);
testers.add(ListRemoveAllTester.class);
testers.add(ListRemoveAtIndexTester.class);
testers.add(ListRemoveTester.class);
testers.add(ListRetainAllTester.class);
testers.add(ListSetTester.class);
testers.add(ListSubListTester.class);
testers.add(ListToArrayTester.class);
return testers;
}
/**
* Specifies {@link CollectionFeature#KNOWN_ORDER} for all list tests, since
* lists have an iteration ordering corresponding to the insertion order.
*/
@Override public TestSuite createTestSuite() {
withFeatures(CollectionFeature.KNOWN_ORDER);
return super.createTestSuite();
}
@Override
protected
List<TestSuite>
createDerivedSuites(
FeatureSpecificTestSuiteBuilder<
?, ? extends OneSizeTestContainerGenerator<Collection<E>, E>> parentBuilder) {
List<TestSuite> derivedSuites = new ArrayList<TestSuite>(
super.createDerivedSuites(parentBuilder));
if (parentBuilder.getFeatures().contains(CollectionFeature.SERIALIZABLE)) {
derivedSuites.add(ListTestSuiteBuilder
.using(new ReserializedListGenerator<E>(parentBuilder.getSubjectGenerator()))
.named(getName() + " reserialized")
.withFeatures(computeReserializedCollectionFeatures(parentBuilder.getFeatures()))
.suppressing(parentBuilder.getSuppressedTests())
.createTestSuite());
}
return derivedSuites;
}
static class ReserializedListGenerator<E> implements TestListGenerator<E>{
final OneSizeTestContainerGenerator<Collection<E>, E> gen;
private ReserializedListGenerator(OneSizeTestContainerGenerator<Collection<E>, E> gen) {
this.gen = gen;
}
@Override
public SampleElements<E> samples() {
return gen.samples();
}
@Override
public List<E> create(Object... elements) {
return (List<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<Feature<?>>();
derivedFeatures.addAll(features);
derivedFeatures.remove(CollectionFeature.SERIALIZABLE);
derivedFeatures.remove(CollectionFeature.SERIALIZABLE_INCLUDING_VIEWS);
return derivedFeatures;
}
}
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