1/* 2 * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/** 25 * Debug.eventqueue test - instead of screen scraping, test the concept of asking Debug for 26 * an event log of favourable events. 27 * 28 * @test 29 * @fork 30 * @option -Dnashorn.debug=true 31 * @option --log=recompile:quiet 32 * @option --optimistic-types=true 33 * @run 34 */ 35 36print(Debug); 37print(); 38 39var Reflector = Java.type("jdk.nashorn.test.models.Reflector"); 40var forName = java.lang.Class["forName(String)"]; 41var RuntimeEvent = forName("jdk.nashorn.internal.runtime.events.RuntimeEvent").static; 42var getValue = RuntimeEvent.class.getMethod("getValue"); 43var getValueClass = RuntimeEvent.class.getMethod("getValueClass"); 44 45print(RuntimeEvent); 46 47var RewriteException = forName("jdk.nashorn.internal.runtime.RewriteException").static; 48var getReturnType = RewriteException.class.getMethod("getReturnType"); 49 50print(RewriteException); 51 52var a = [1.1, 2.2]; 53function f() { 54 var sum = 2; 55 for (var i = 0; i < a.length; i++) { 56 sum *= a[i]; 57 } 58 return sum; 59} 60 61function g() { 62 var diff = 17; 63 for (var i = 0; i < a.length; i++) { 64 diff -= a[i]; 65 } 66 return diff; 67} 68 69//kill anything that may already be in the event queue from earlier debug runs 70Debug.clearRuntimeEvents(); 71 72print(); 73print(f()); 74print(g()); 75 76print(); 77events = Debug.getRuntimeEvents(); 78print("Done with " + events.length + " in the event queue"); 79//make sure we got runtime events 80print("events = " + (events.toString().indexOf("RuntimeEvent") != -1)); 81print("events.length = " + events.length); 82 83var lastInLoop = undefined; 84for (var i = 0; i < events.length; i++) { 85 var e = events[i]; 86 print("event #" + i); 87 print("\tevent class=" + e.getClass()); 88 print("\tvalueClass in event=" + Reflector.invoke(getValueClass, e)); 89 var v = Reflector.invoke(getValue, e); 90 print("\tclass of value=" + v.getClass()); 91 print("\treturn type=" + Reflector.invoke(getReturnType, v)); 92 lastInLoop = events[i]; 93} 94 95print(); 96print("in loop last class = " + lastInLoop.getClass()); 97print("in loop last value class = " + Reflector.invoke(getValueClass, lastInLoop)); 98var rexInLoop = Reflector.invoke(getValue, lastInLoop); 99print("in loop rex class = " + rexInLoop.getClass()); 100print("in loop rex return type = " + Reflector.invoke(getReturnType, rexInLoop)); 101 102//try last runtime events 103var last = Debug.getLastRuntimeEvent(); 104//the code after the loop creates additional rewrite exceptions 105print(); 106print(last !== lastInLoop); 107print(); 108 109print("last class = " + last.getClass()); 110print("last value class = " + Reflector.invoke(getValueClass, last)); 111var rex = Reflector.invoke(getValue, last); 112print("rex class = " + rex.getClass()); 113print("rex return type = " + Reflector.invoke(getReturnType, rex)); 114 115//try the capacity setter 116print(); 117print(Debug.getEventQueueCapacity()); 118Debug.setEventQueueCapacity(2048); 119print(Debug.getEventQueueCapacity()); 120 121//try clear events 122print(); 123Debug.clearRuntimeEvents(); 124print(Debug.getRuntimeEvents().length); 125 126