| /* |
| * 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.annotations.GwtIncompatible; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * Reserializes the sets created by another test set generator. |
| * |
| * <p>TODO: make CollectionTestSuiteBuilder test reserialized collections |
| * |
| * @author Jesse Wilson |
| */ |
| @GwtIncompatible |
| public class ReserializingTestCollectionGenerator<E> implements TestCollectionGenerator<E> { |
| private final TestCollectionGenerator<E> delegate; |
| |
| ReserializingTestCollectionGenerator(TestCollectionGenerator<E> delegate) { |
| this.delegate = delegate; |
| } |
| |
| public static <E> ReserializingTestCollectionGenerator<E> newInstance( |
| TestCollectionGenerator<E> delegate) { |
| return new ReserializingTestCollectionGenerator<E>(delegate); |
| } |
| |
| @Override |
| public Collection<E> create(Object... elements) { |
| return reserialize(delegate.create(elements)); |
| } |
| |
| @SuppressWarnings("unchecked") |
| static <T> T reserialize(T object) { |
| try { |
| ByteArrayOutputStream bytes = new ByteArrayOutputStream(); |
| ObjectOutputStream out = new ObjectOutputStream(bytes); |
| out.writeObject(object); |
| ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes.toByteArray())); |
| return (T) in.readObject(); |
| } catch (IOException | ClassNotFoundException e) { |
| Helpers.fail(e, e.getMessage()); |
| } |
| throw new AssertionError("not reachable"); |
| } |
| |
| @Override |
| public SampleElements<E> samples() { |
| return delegate.samples(); |
| } |
| |
| @Override |
| public E[] createArray(int length) { |
| return delegate.createArray(length); |
| } |
| |
| @Override |
| public Iterable<E> order(List<E> insertionOrder) { |
| return delegate.order(insertionOrder); |
| } |
| } |