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 * 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.

 *

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 */

/**

 * 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);