diff -r fd16c54261b3 -r 90ce3da70b43 jdk/test/java/lang/Class/IsSynthetic.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/Class/IsSynthetic.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 5012133
+ * @summary Check Class.isSynthetic method
+ * @author Joseph D. Darcy
+ */
+
+import java.lang.reflect.*;
+
+public class IsSynthetic {
+
+    static class NestedClass {
+    }
+
+    static int test(Class<?> clazz, boolean expected) {
+        if (clazz.isSynthetic() == expected)
+            return 0;
+        else {
+            System.err.println("Unexpected synthetic status for " +
+                               clazz.getName() + " expected: " + expected +
+                               " got: " + (!expected));
+            return 1;
+        }
+    }
+
+    public static void main(String argv[]) {
+        int failures = 0;
+        class LocalClass {}
+
+        Cloneable clone = new Cloneable() {};
+
+        failures += test(IsSynthetic.class,             false);
+        failures += test(java.lang.String.class,        false);
+        failures += test(LocalClass.class,              false);
+        failures += test(NestedClass.class,             false);
+        failures += test(clone.getClass(),              false);
+
+        for(Constructor c: Tricky.class.getDeclaredConstructors()) {
+            Class<?>[] paramTypes = c.getParameterTypes();
+            if (paramTypes.length > 0) {
+                System.out.println("Testing class that should be synthetic.");
+                for(Class paramType: paramTypes) {
+                    failures += test(paramType, true);
+                }
+            }
+        }
+
+        if (failures != 0)
+            throw new RuntimeException("Test failed with " + failures  + " failures.");
+    }
+}
+
+class Tricky {
+    private Tricky() {}
+
+    public static class Nested {
+        Tricky t = new Tricky();
+    }
+}