diff -r ac62e33a99b0 -r e2497b11a021 test/script/trusted/event_queue.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/trusted/event_queue.js	Wed Aug 20 10:26:01 2014 +0200
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2010, 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Debug.eventqueue test - instead of screen scraping, test the concept of asking Debug for
+ * an event log of favourable events.
+ *
+ * @test
+ * @fork
+ * @option -Dnashorn.debug=true
+ * @option --log=recompile:quiet
+ * @option --optimistic-types=true
+ */
+
+print(Debug);
+print();
+
+var forName       = java.lang.Class["forName(String)"];
+var RuntimeEvent  = forName("jdk.nashorn.internal.runtime.events.RuntimeEvent").static;
+var getValue      = RuntimeEvent.class.getMethod("getValue");
+var getValueClass = RuntimeEvent.class.getMethod("getValueClass");
+
+print(RuntimeEvent);
+
+var RewriteException = forName("jdk.nashorn.internal.runtime.RewriteException").static;
+var getReturnType    = RewriteException.class.getMethod("getReturnType");
+
+print(RewriteException);
+
+var a = [1.1, 2.2];
+function f() {
+    var sum = 2;
+    for (var i = 0; i < a.length; i++) {
+    sum *= a[i];
+    }
+    return sum;
+}
+
+function g() {
+    var diff = 17;
+    for (var i = 0; i < a.length; i++) {
+    diff -= a[i];
+    }
+    return diff;
+}
+
+//kill anything that may already be in the event queue from earlier debug runs
+Debug.clearRuntimeEvents();
+
+print();
+print(f());
+print(g());
+
+print();
+events = Debug.getRuntimeEvents();
+print("Done with " + events.length + " in the event queue");
+//make sure we got runtime events
+print("events = " + (events.toString().indexOf("RuntimeEvent") != -1));
+print("events.length = " + events.length);
+
+var lastInLoop = undefined;
+for (var i = 0; i < events.length; i++) {
+    var e = events[i];
+    print("event #" + i);
+    print("\tevent class=" + e.getClass());
+    print("\tvalueClass in event=" + getValueClass.invoke(e));
+    var v = getValue.invoke(e);
+    print("\tclass of value=" + v.getClass());
+    print("\treturn type=" + getReturnType.invoke(v));
+    lastInLoop = events[i];
+}
+
+print();
+print("in loop last class = " + lastInLoop.getClass());
+print("in loop last value class = " + getValueClass.invoke(lastInLoop));
+var rexInLoop = getValue.invoke(lastInLoop);
+print("in loop rex class = " + rexInLoop.getClass());
+print("in loop rex return type = " + getReturnType.invoke(rexInLoop));
+
+//try last runtime events
+var last = Debug.getLastRuntimeEvent();
+//the code after the loop creates additional rewrite exceptions
+print();
+print(last !== lastInLoop);
+print();
+
+print("last class = " + last.getClass());
+print("last value class = " + getValueClass.invoke(last));
+var rex = getValue.invoke(last);
+print("rex class = " + rex.getClass());
+print("rex return type = " + getReturnType.invoke(rex));
+
+//try the capacity setter
+print();
+print(Debug.getEventQueueCapacity());
+Debug.setEventQueueCapacity(2048);
+print(Debug.getEventQueueCapacity());
+
+//try clear events
+print();
+Debug.clearRuntimeEvents();
+print(Debug.getRuntimeEvents().length);
+