From 21ddfc9b122312ee0e599730cd7672ecdbd6d084 Mon Sep 17 00:00:00 2001
From: Joel Leitch <joel.leitch@gmail.com>
Date: Mon, 4 Apr 2011 19:19:46 +0000
Subject: [PATCH] Show default serialization and deserialization works with
 subclasses of an enum type.

---
 .../com/google/gson/functional/EnumTest.java  | 30 ++++++++++++++-----
 1 file changed, 22 insertions(+), 8 deletions(-)

diff --git a/gson/src/test/java/com/google/gson/functional/EnumTest.java b/gson/src/test/java/com/google/gson/functional/EnumTest.java
index 2e6c84fb..bdb2cc34 100644
--- a/gson/src/test/java/com/google/gson/functional/EnumTest.java
+++ b/gson/src/test/java/com/google/gson/functional/EnumTest.java
@@ -16,14 +16,6 @@
 
 package com.google.gson.functional;
 
-import java.lang.reflect.Type;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.EnumSet;
-import java.util.Set;
-
-import junit.framework.TestCase;
-
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gson.JsonDeserializationContext;
@@ -36,6 +28,14 @@ import com.google.gson.JsonSerializer;
 import com.google.gson.common.MoreAsserts;
 import com.google.gson.reflect.TypeToken;
 
+import junit.framework.TestCase;
+
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.EnumSet;
+import java.util.Set;
+
 /**
  * Functional tests for Java 5.0 enums.
  *
@@ -140,6 +140,20 @@ public class EnumTest extends TestCase {
         gson.fromJson("[\"123ROCK\",\"123PAPER\",\"123SCISSORS\"]", new TypeToken<Set<Roshambo>>() {}.getType()));
   }
 
+  public void testEnumSubclassAsParameterizedType() {
+    Collection<Roshambo> list = new ArrayList<Roshambo>();
+    list.add(Roshambo.ROCK);
+    list.add(Roshambo.PAPER);
+
+    String json = gson.toJson(list);
+    assertEquals("[\"ROCK\",\"PAPER\"]", json);
+
+    Type collectionType = new TypeToken<Collection<Roshambo>>() {}.getType();
+    Collection<Roshambo> actualJsonList = gson.fromJson(json, collectionType);
+    MoreAsserts.assertContains(actualJsonList, Roshambo.ROCK);
+    MoreAsserts.assertContains(actualJsonList, Roshambo.PAPER);
+  }
+
   public enum Roshambo {
     ROCK {
       @Override Roshambo defeats() {