From 6e8bf5292686224d2110cbf8c2184e2568bcabe3 Mon Sep 17 00:00:00 2001
From: acolyer <acolyer>
Date: Tue, 6 Dec 2005 15:39:08 +0000
Subject: [PATCH] tests and fix for pr119352

---
 .../aspectj/internal/lang/reflect/AjTypeImpl.java    |  2 +-
 .../aspectj/internal/lang/reflect/AjTypeTests.java   | 12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/aspectj5rt/java5-src/org/aspectj/internal/lang/reflect/AjTypeImpl.java b/aspectj5rt/java5-src/org/aspectj/internal/lang/reflect/AjTypeImpl.java
index 8534d0743..440a139e2 100644
--- a/aspectj5rt/java5-src/org/aspectj/internal/lang/reflect/AjTypeImpl.java
+++ b/aspectj5rt/java5-src/org/aspectj/internal/lang/reflect/AjTypeImpl.java
@@ -120,7 +120,7 @@ public class AjTypeImpl<T> implements AjType<T> {
 	 */
 	public AjType<? super T> getSupertype() {
 		Class<? super T> superclass = clazz.getSuperclass();
-		return (AjType<? super T>) new AjTypeImpl(superclass);
+		return superclass==null ? null : (AjType<? super T>) new AjTypeImpl(superclass);
 	}
 
 	/* (non-Javadoc)
diff --git a/aspectj5rt/java5-testsrc/org/aspectj/internal/lang/reflect/AjTypeTests.java b/aspectj5rt/java5-testsrc/org/aspectj/internal/lang/reflect/AjTypeTests.java
index f634d6c73..9416979de 100644
--- a/aspectj5rt/java5-testsrc/org/aspectj/internal/lang/reflect/AjTypeTests.java
+++ b/aspectj5rt/java5-testsrc/org/aspectj/internal/lang/reflect/AjTypeTests.java
@@ -62,9 +62,19 @@ public class AjTypeTests extends TestCase {
 	public void testGetSupertype() {
 		Class<?> stringSuper = String.class.getSuperclass();
 		AjType ajSuper = stringType.getSupertype();
-		assertEquals(AjTypeSystem.getAjType(stringSuper),ajSuper);
+		assertEquals(AjTypeSystem.getAjType(stringSuper),ajSuper);		
 	}
 
+	public void testObjectSupertype() {
+		AjType<?> objectSuper = AjTypeSystem.getAjType(Object.class).getSupertype();
+		assertNull(objectSuper);		
+	}
+
+	public void testInterfaceSupertype() {
+		AjType<?> serializableSuper = AjTypeSystem.getAjType(Serializable.class).getSupertype();
+		assertNull(serializableSuper);		
+	}
+	
 	public void testGetGenericSupertype() {
 		Type t  = AjTypeSystem.getAjType(Goo.class).getGenericSupertype();
 		assertEquals(Foo.class,t);
-- 
2.39.5