From 70c7728218bafe63c6ef6242a84f474a576ae4c0 Mon Sep 17 00:00:00 2001
From: Inderjeet Singh <inder123@gmail.com>
Date: Thu, 30 Oct 2008 18:26:16 +0000
Subject: [PATCH] Wrote a test that invokes a custom deserializer for a wrapper
 primitive type.

---
 .../functional/CustomTypeAdaptersTest.java    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gson/src/test/java/com/google/gson/functional/CustomTypeAdaptersTest.java b/gson/src/test/java/com/google/gson/functional/CustomTypeAdaptersTest.java
index 79ddb246..f600a49f 100644
--- a/gson/src/test/java/com/google/gson/functional/CustomTypeAdaptersTest.java
+++ b/gson/src/test/java/com/google/gson/functional/CustomTypeAdaptersTest.java
@@ -195,4 +195,29 @@ public class CustomTypeAdaptersTest extends TestCase {
       return context.serialize(src, typeOfSrc);
     }
   }
+  
+  public void testCustomDeserializerForLong() {
+    final ClassWithBooleanField customDeserializerInvoked = new ClassWithBooleanField();
+    customDeserializerInvoked.value = false;
+    Gson gson = new GsonBuilder().registerTypeAdapter(Long.class, new JsonDeserializer<Long>() {
+      public Long deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
+          throws JsonParseException {
+        customDeserializerInvoked.value = true;
+        String str = json.getAsJsonPrimitive().getAsString();
+        return str.length() == 0 ? null : Long.parseLong(str);
+      }      
+    }).create();
+    String json = "{'value':null}";
+    ClassWithWrapperLongField target = gson.fromJson(json, ClassWithWrapperLongField.class);
+    assertNull(target.value);
+    assertTrue(customDeserializerInvoked.value);
+  }
+  
+  private static class ClassWithWrapperLongField {
+    Long value;
+  }
+  
+  private static class ClassWithBooleanField {
+    Boolean value;
+  }
 }