/*
 * Copyright (C) 2010 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.SortedSetNavigationTester;

import junit.framework.TestSuite;

import java.util.List;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests
 * a SortedSet implementation.
 */
public class SortedSetTestSuiteBuilder<E> extends SetTestSuiteBuilder<E> {
  public static <E> SortedSetTestSuiteBuilder<E> using(
      TestSetGenerator<E> generator) {
    SortedSetTestSuiteBuilder<E> builder =
        new SortedSetTestSuiteBuilder<E>();
    builder.usingGenerator(generator);
    return builder;
  }

  @Override protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers =
        Helpers.copyToList(super.getTesters());
    testers.add(SortedSetNavigationTester.class);
    return testers;
  }

  @Override public TestSuite createTestSuite() {
    if (!getFeatures().contains(CollectionFeature.KNOWN_ORDER)) {
      List<Feature<?>> features = Helpers.copyToList(getFeatures());
      features.add(CollectionFeature.KNOWN_ORDER);
      withFeatures(features);
    }
    return super.createTestSuite();
  }
}