testfw/com/google/common/collect/testing/AbstractCollectionTestSuiteBuilder.java

/*
 * Copyright (C) 2008 Google Inc.
 *
 * 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.testers.CollectionAddAllTester;
import com.google.common.collect.testing.testers.CollectionAddTester;
import com.google.common.collect.testing.testers.CollectionClearTester;
import com.google.common.collect.testing.testers.CollectionContainsAllTester;
import com.google.common.collect.testing.testers.CollectionContainsTester;
import com.google.common.collect.testing.testers.CollectionCreationTester;
import com.google.common.collect.testing.testers.CollectionEqualsTester;
import com.google.common.collect.testing.testers.CollectionIsEmptyTester;
import com.google.common.collect.testing.testers.CollectionIteratorTester;
import com.google.common.collect.testing.testers.CollectionRemoveAllTester;
import com.google.common.collect.testing.testers.CollectionRemoveTester;
import com.google.common.collect.testing.testers.CollectionRetainAllTester;
import com.google.common.collect.testing.testers.CollectionSizeTester;
import com.google.common.collect.testing.testers.CollectionToArrayTester;
import com.google.common.collect.testing.testers.CollectionToStringTester;

import junit.framework.TestSuite;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

/**
 * Abstract superclass of all test-suite builders for collection interfaces.
 *
 * @author George van den Driessche
 */
public abstract class AbstractCollectionTestSuiteBuilder<
    B extends AbstractCollectionTestSuiteBuilder<B, E>, E>
    extends PerCollectionSizeTestSuiteBuilder<
        B, TestCollectionGenerator<E>, Collection<E>, E> {
  // Class parameters must be raw.
  @SuppressWarnings("unchecked")
  @Override protected List<Class<? extends AbstractTester>> getTesters() {
    return Arrays.<Class<? extends AbstractTester>>asList(
        CollectionAddAllTester.class,
        CollectionAddTester.class,
        CollectionClearTester.class,
        CollectionContainsAllTester.class,
        CollectionContainsTester.class,
        CollectionCreationTester.class,
        CollectionEqualsTester.class,
        CollectionIsEmptyTester.class,
        CollectionIteratorTester.class,
        CollectionRemoveAllTester.class,
        CollectionRemoveTester.class,
        CollectionRetainAllTester.class,
        CollectionSizeTester.class,
        CollectionToArrayTester.class,
        CollectionToStringTester.class
    );
  }

  @Override List<TestSuite> createDerivedSuites(FeatureSpecificTestSuiteBuilder<
      ?, ? extends OneSizeTestContainerGenerator<Collection<E>, E>>
          parentBuilder) {
    DerivedIteratorTestSuiteBuilder<?> iteratorTestSuiteBuilder =
        new DerivedIteratorTestSuiteBuilder<E>()
            .named(parentBuilder.getName())
            .usingGenerator(parentBuilder.getSubjectGenerator())
            .withFeatures(parentBuilder.getFeatures());

    return Collections.singletonList(
        iteratorTestSuiteBuilder.createTestSuite());
  }
}