/* * 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.tinkerpop.gremlin.hadoop.structure.io; import org.junit.Test; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; /** * @author Marko A. Rodriguez (http://markorodriguez.com) */ public class ObjectWritableTest { @Test public void shouldNotHaveANullPointerException() { final ObjectWritable object = new ObjectWritable<>(null); assertNull(object.get()); assertTrue(object.isEmpty()); assertTrue(object.equals(ObjectWritable.empty())); assertFalse(object.equals(new ObjectWritable<>("hello"))); assertEquals("null", object.toString()); assertEquals(-1, object.compareTo(new ObjectWritable<>("blah"))); assertEquals(-1, new ObjectWritable<>("bloop").compareTo(ObjectWritable.empty())); assertEquals(-1, new ObjectWritable<>("bloop").compareTo(object)); assertEquals(0, ObjectWritable.empty().compareTo(object)); assertEquals(0, object.compareTo(ObjectWritable.empty())); assertEquals(0, object.compareTo(object)); } }