Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.logging.log4j; import java.io.Serializable; import org.apache.commons.lang3.SerializationUtils; import org.hamcrest.FeatureMatcher; import org.hamcrest.Matcher; import static org.hamcrest.core.IsEqual.equalTo; import static org.hamcrest.core.IsInstanceOf.any; /** * Hamcrest Matchers for Serializable classes. * * @since 2.1 */ public final class SerializableMatchers { public static <T extends Serializable> Matcher<T> serializesRoundTrip(final Matcher<T> matcher) { return new FeatureMatcher<T, T>(matcher, "serializes round trip", "serializes round trip") { @Override protected T featureValueOf(final T actual) { return SerializationUtils.roundtrip(actual); } }; } public static <T extends Serializable> Matcher<T> serializesRoundTrip(final T expected) { return serializesRoundTrip(equalTo(expected)); } public static <T extends Serializable> Matcher<T> serializesRoundTrip(final Class<T> clazz) { return serializesRoundTrip(any(clazz)); } public static Matcher<? super Serializable> serializesRoundTrip() { return serializesRoundTrip(any(Serializable.class)); } private SerializableMatchers() { } }