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diff --git a/jsr166-tests/src/test/java/jsr166/ThreadTest.java b/jsr166-tests/src/test/java/jsr166/ThreadTest.java
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+++ b/jsr166-tests/src/test/java/jsr166/ThreadTest.java
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+/*
+ * Written by Doug Lea with assistance from members of JCP JSR-166
+ * Expert Group and released to the public domain, as explained at
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ * Other contributors include Andrew Wright, Jeffrey Hayes,
+ * Pat Fisher, Mike Judd.
+ */
+
+package jsr166;
+
+import junit.framework.*;
+
+public class ThreadTest extends JSR166TestCase {
+
+    static class MyHandler implements Thread.UncaughtExceptionHandler {
+        public void uncaughtException(Thread t, Throwable e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * getUncaughtExceptionHandler returns ThreadGroup unless set,
+     * otherwise returning value of last setUncaughtExceptionHandler.
+     */
+    public void testGetAndSetUncaughtExceptionHandler() {
+        // these must be done all at once to avoid state
+        // dependencies across tests
+        Thread current = Thread.currentThread();
+        ThreadGroup tg = current.getThreadGroup();
+        MyHandler eh = new MyHandler();
+        assertEquals(tg, current.getUncaughtExceptionHandler());
+        current.setUncaughtExceptionHandler(eh);
+        assertEquals(eh, current.getUncaughtExceptionHandler());
+        current.setUncaughtExceptionHandler(null);
+        assertEquals(tg, current.getUncaughtExceptionHandler());
+    }
+
+    /**
+     * getDefaultUncaughtExceptionHandler returns value of last
+     * setDefaultUncaughtExceptionHandler.
+     */
+    public void testGetAndSetDefaultUncaughtExceptionHandler() {
+        // BEGIN android-remove (when running as cts the RuntimeInit will 
+        // set a default handler)
+        // assertEquals(null, Thread.getDefaultUncaughtExceptionHandler());
+        // END android-remove
+
+        // failure due to securityException is OK.
+        // Would be nice to explicitly test both ways, but cannot yet.
+        try {
+            Thread current = Thread.currentThread();
+            ThreadGroup tg = current.getThreadGroup();
+            MyHandler eh = new MyHandler();
+            Thread.setDefaultUncaughtExceptionHandler(eh);
+            assertEquals(eh, Thread.getDefaultUncaughtExceptionHandler());
+            Thread.setDefaultUncaughtExceptionHandler(null);
+        }
+        catch (SecurityException ok) {
+        }
+        assertEquals(null, Thread.getDefaultUncaughtExceptionHandler());
+    }
+
+    // How to test actually using UEH within junit?
+
+}