1 files changed, 53 insertions, 0 deletions
diff --git a/luni/src/test/java/libcore/java/lang/ClassTest.java b/luni/src/test/java/libcore/java/lang/ClassTest.java
new file mode 100644
index 0000000..15298ea
--- /dev/null
+++ b/luni/src/test/java/libcore/java/lang/ClassTest.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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 libcore.java.lang;
+
+import junit.framework.TestCase;
+
+public class ClassTest extends TestCase {
+
+    interface Foo {
+        public void foo();
+    }
+
+    interface ParameterizedFoo<T> {
+        public void foo(T param);
+    }
+
+    interface ParameterizedBar<T> extends ParameterizedFoo<T> {
+        public void bar(T param);
+    }
+
+    interface ParameterizedBaz extends ParameterizedFoo<String> {
+
+    }
+
+    public void test_getGenericSuperclass_nullReturnCases() {
+        // Should always return null for interfaces.
+        assertNull(Foo.class.getGenericSuperclass());
+        assertNull(ParameterizedFoo.class.getGenericSuperclass());
+        assertNull(ParameterizedBar.class.getGenericSuperclass());
+        assertNull(ParameterizedBaz.class.getGenericSuperclass());
+
+        assertNull(Object.class.getGenericSuperclass());
+        assertNull(void.class.getGenericSuperclass());
+        assertNull(int.class.getGenericSuperclass());
+    }
+
+    public void test_getGenericSuperclass_returnsObjectForArrays() {
+        assertSame(Object.class, (new Integer[0]).getClass().getGenericSuperclass());
+    }
+}