Java tutorial
/** * Copyright (C) 2012 Ness Computing, Inc. * * 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.nesscomputing.jackson; import static org.junit.Assert.assertEquals; import java.util.Map.Entry; import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; import com.google.common.collect.Maps; import com.google.inject.Guice; import com.google.inject.Inject; import org.junit.Before; import org.junit.Test; import com.nesscomputing.config.ConfigModule; public class TestMapEntryDeserialization { @Inject ObjectMapper mapper; @Before public void setUp() { Guice.createInjector(ConfigModule.forTesting(), new NessJacksonModule()).injectMembers(this); } @Test public void testMapEntrySerialization() throws Exception { Entry<String, Integer> entry = Maps.immutableEntry("hi", 3); assertEquals(entry, mapper.readValue(mapper.writeValueAsString(entry), new TypeReference<Entry<String, Integer>>() { })); } @Test public void testMapEntryNullValueSerialization() throws Exception { Entry<String, Integer> entry = Maps.immutableEntry("hi", null); assertEquals(entry, mapper.readValue(mapper.writeValueAsString(entry), new TypeReference<Entry<String, Integer>>() { })); } @Test public void testMapEntryNullKeySerialization() throws Exception { Entry<String, Integer> entry = Maps.immutableEntry(null, 3); assertEquals(entry, mapper.readValue(mapper.writeValueAsString(entry), new TypeReference<Entry<String, Integer>>() { })); } }