attila@963: /*
attila@963:  * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
attila@963:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@963:  *
attila@963:  * This code is free software; you can redistribute it and/or modify it
attila@963:  * under the terms of the GNU General Public License version 2 only, as
attila@963:  * published by the Free Software Foundation.
attila@963:  *
attila@963:  * This code is distributed in the hope that it will be useful, but WITHOUT
attila@963:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
attila@963:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
attila@963:  * version 2 for more details (a copy is included in the LICENSE file that
attila@963:  * accompanied this code).
attila@963:  *
attila@963:  * You should have received a copy of the GNU General Public License version
attila@963:  * 2 along with this work; if not, write to the Free Software Foundation,
attila@963:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@963:  *
attila@963:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
attila@963:  * or visit www.oracle.com if you need additional information or have any
attila@963:  * questions.
attila@963:  */
attila@963: 
attila@963: /**
attila@963:  * Debug.eventqueue test - instead of screen scraping, test the concept of asking Debug for
attila@963:  * an event log of favourable events.
attila@963:  *
attila@963:  * @test
attila@963:  * @fork
attila@963:  * @option -Dnashorn.debug=true
attila@963:  * @option --log=recompile:quiet
attila@963:  * @option --optimistic-types=true
attila@963:  */
attila@963: 
attila@963: print(Debug);
attila@963: print();
attila@963: 
attila@963: var forName       = java.lang.Class["forName(String)"];
attila@963: var RuntimeEvent  = forName("jdk.nashorn.internal.runtime.events.RuntimeEvent").static;
attila@963: var getValue      = RuntimeEvent.class.getMethod("getValue");
attila@963: var getValueClass = RuntimeEvent.class.getMethod("getValueClass");
attila@963: 
attila@963: print(RuntimeEvent);
attila@963: 
attila@963: var RewriteException = forName("jdk.nashorn.internal.runtime.RewriteException").static;
attila@963: var getReturnType    = RewriteException.class.getMethod("getReturnType");
attila@963: 
attila@963: print(RewriteException);
attila@963: 
attila@963: var a = [1.1, 2.2];
attila@963: function f() {
attila@963:     var sum = 2;
attila@963:     for (var i = 0; i < a.length; i++) {
attila@963:     sum *= a[i];
attila@963:     }
attila@963:     return sum;
attila@963: }
attila@963: 
attila@963: function g() {
attila@963:     var diff = 17;
attila@963:     for (var i = 0; i < a.length; i++) {
attila@963:     diff -= a[i];
attila@963:     }
attila@963:     return diff;
attila@963: }
attila@963: 
attila@963: //kill anything that may already be in the event queue from earlier debug runs
attila@963: Debug.clearRuntimeEvents();
attila@963: 
attila@963: print();
attila@963: print(f());
attila@963: print(g());
attila@963: 
attila@963: print();
attila@963: events = Debug.getRuntimeEvents();
attila@963: print("Done with " + events.length + " in the event queue");
attila@963: //make sure we got runtime events
attila@963: print("events = " + (events.toString().indexOf("RuntimeEvent") != -1));
attila@963: print("events.length = " + events.length);
attila@963: 
attila@963: var lastInLoop = undefined;
attila@963: for (var i = 0; i < events.length; i++) {
attila@963:     var e = events[i];
attila@963:     print("event #" + i);
attila@963:     print("\tevent class=" + e.getClass());
attila@963:     print("\tvalueClass in event=" + getValueClass.invoke(e));
attila@963:     var v = getValue.invoke(e);
attila@963:     print("\tclass of value=" + v.getClass());
attila@963:     print("\treturn type=" + getReturnType.invoke(v));
attila@963:     lastInLoop = events[i];
attila@963: }
attila@963: 
attila@963: print();
attila@963: print("in loop last class = " + lastInLoop.getClass());
attila@963: print("in loop last value class = " + getValueClass.invoke(lastInLoop));
attila@963: var rexInLoop = getValue.invoke(lastInLoop);
attila@963: print("in loop rex class = " + rexInLoop.getClass());
attila@963: print("in loop rex return type = " + getReturnType.invoke(rexInLoop));
attila@963: 
attila@963: //try last runtime events
attila@963: var last = Debug.getLastRuntimeEvent();
attila@963: //the code after the loop creates additional rewrite exceptions
attila@963: print();
attila@963: print(last !== lastInLoop);
attila@963: print();
attila@963: 
attila@963: print("last class = " + last.getClass());
attila@963: print("last value class = " + getValueClass.invoke(last));
attila@963: var rex = getValue.invoke(last);
attila@963: print("rex class = " + rex.getClass());
attila@963: print("rex return type = " + getReturnType.invoke(rex));
attila@963: 
attila@963: //try the capacity setter
attila@963: print();
attila@963: print(Debug.getEventQueueCapacity());
attila@963: Debug.setEventQueueCapacity(2048);
attila@963: print(Debug.getEventQueueCapacity());
attila@963: 
attila@963: //try clear events
attila@963: print();
attila@963: Debug.clearRuntimeEvents();
attila@963: print(Debug.getRuntimeEvents().length);
attila@963: