Add failing test for #78

Author: cowtowncoder

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/deser/YearDeserTest.java

@@ -33,21 +33,16 @@ public class YearDeserTest extends ModuleTestBase
     private final ObjectMapper MAPPER = newMapper();
 
     @Test
-    public void testDeserialization01() throws Exception
+    public void testDefaultDeserialization() throws Exception
     {
         Year value = MAPPER.readValue("1986", Year.class);
         assertEquals("The value is not correct.", Year.of(1986), value);
-    }
-
-    @Test
-    public void testDeserialization02() throws Exception
-    {
-        Year value = MAPPER.readValue("2013", Year.class);
+        value = MAPPER.readValue("2013", Year.class);
         assertEquals("The value is not correct.", Year.of(2013), value);
     }
 
     @Test
-    public void testDeserializationWithTypeInfo01() throws Exception
+    public void testDeserializationWithTypeInfo() throws Exception
     {
         ObjectMapper mapper = newMapper()
                 .addMixIn(Temporal.class, MockObjectConfiguration.class);

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/failing/YearDeser78Test.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2013 FasterXML.com
+ *
+ * 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.fasterxml.jackson.datatype.jsr310.failing;
+
+import java.time.Year;
+import java.time.temporal.Temporal;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.MockObjectConfiguration;
+import com.fasterxml.jackson.datatype.jsr310.ModuleTestBase;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class YearDeser78Test extends ModuleTestBase
+{
+    // [module-java8#78]
+    final static class ObjectTest {
+        @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "'Y'yyyy")
+        public Year value;
+
+        public ObjectTest(Year y) {
+            value = y;
+        }
+    }
+
+    private final ObjectMapper MAPPER = newMapper();
+
+    // [module-java8#78]
+    @Test
+    public void testWithCustomFormat() throws Exception
+    {
+        ObjectTest input = new ObjectTest(Year.of(2018));
+        String json = MAPPER.writeValueAsString(input);
+        assertEquals("{\"customYear\":\"Y2018\"}", json);
+        ObjectTest result = MAPPER.readValue(json, ObjectTest.class);
+        assertEquals(input, result);
+    }
+}