Added another test to find interopability issues with AfterBurner as …

…noted in issue #2

pom.xml

@@ -40,7 +40,7 @@
         </license>
     </licenses>
     <properties>
-        <junit.version>4.11</junit.version>
+        <junit.version>4.12</junit.version>
         <jackson-core.version>2.4.4</jackson-core.version>
         <jackson-databind.version>${jackson-core.version}</jackson-databind.version>
     </properties>
@@ -61,6 +61,12 @@
             <artifactId>jackson-databind</artifactId>
             <version>${jackson-databind.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.module</groupId>
+            <artifactId>jackson-module-afterburner</artifactId>
+            <version>${jackson-core.version}</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

src/test/java/org/zapodot/jackson/java8/AfterBurnerInteroperabilityTest.java

@@ -0,0 +1,55 @@
+package org.zapodot.jackson.java8;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.module.afterburner.AfterburnerModule;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.Optional;
+
+import static org.junit.Assert.*;
+
+/**
+ * @author zapodot
+ */
+public class AfterBurnerInteroperabilityTest {
+
+    private ObjectMapper objectMapper;
+
+    public static class Bean {
+
+        public static final String PRESENT_VALUE = "present";
+        @JsonProperty
+        private Optional<String> empty = Optional.empty();
+
+        @JsonProperty
+        private Optional<String> notSet;
+
+        @JsonProperty
+        private Optional<String> present = Optional.of(PRESENT_VALUE);
+
+
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        objectMapper = new ObjectMapper();
+        objectMapper.registerModule(new AfterburnerModule());
+        objectMapper.registerModule(new JavaOptionalModule());
+        objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+    }
+
+    @Test
+    public void testOptionalsWithAfterBurner() throws Exception {
+        final String json = objectMapper.writeValueAsString(new Bean());
+        assertEquals("{\"present\":\"present\"}", json);
+        final Bean bean = objectMapper.readValue(json, Bean.class);
+
+        assertFalse(bean.empty.isPresent());
+        assertTrue(bean.present.isPresent());
+        assertNull(bean.notSet);
+
+    }
+}