001/*
002 * Copyright (C) 2008 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.collect.testing;
018
019import com.google.common.annotations.GwtCompatible;
020import java.util.Iterator;
021
022/**
023 * Adapts a test iterable generator to give a TestIteratorGenerator.
024 *
025 * @author George van den Driessche
026 */
027@GwtCompatible
028public final class DerivedTestIteratorGenerator<E>
029    implements TestIteratorGenerator<E>, DerivedGenerator {
030  private final TestSubjectGenerator<? extends Iterable<E>> collectionGenerator;
031
032  public DerivedTestIteratorGenerator(
033      TestSubjectGenerator<? extends Iterable<E>> collectionGenerator) {
034    this.collectionGenerator = collectionGenerator;
035  }
036
037  @Override
038  public TestSubjectGenerator<? extends Iterable<E>> getInnerGenerator() {
039    return collectionGenerator;
040  }
041
042  @Override
043  public Iterator<E> get() {
044    return collectionGenerator.createTestSubject().iterator();
045  }
046}