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 36 print(Debug); 37 print(); 38 39 var Reflector = Java.type("jdk.nashorn.test.models.Reflector"); 40 var forName = java.lang.Class["forName(String)"]; 41 var RuntimeEvent = forName("jdk.nashorn.internal.runtime.events.RuntimeEvent").static; 42 var getValue = RuntimeEvent.class.getMethod("getValue"); 43 var getValueClass = RuntimeEvent.class.getMethod("getValueClass"); 44 45 print(RuntimeEvent); 46 47 var RewriteException = forName("jdk.nashorn.internal.runtime.RewriteException").static; 48 var getReturnType = RewriteException.class.getMethod("getReturnType"); 49 50 print(RewriteException); 51 52 var a = [1.1, 2.2]; 53 function f() { 54 var sum = 2; 55 for (var i = 0; i < a.length; i++) { 56 sum *= a[i]; 57 } 58 return sum; 59 } 60 61 function 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 70 Debug.clearRuntimeEvents(); 71 72 print(); 73 print(f()); 74 print(g()); 75 76 print(); 77 events = Debug.getRuntimeEvents(); 78 print("Done with " + events.length + " in the event queue"); 79 //make sure we got runtime events 80 print("events = " + (events.toString().indexOf("RuntimeEvent") != -1)); 81 print("events.length = " + events.length); 82 83 var lastInLoop = undefined; 84 for (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 95 print(); 96 print("in loop last class = " + lastInLoop.getClass()); 97 print("in loop last value class = " + Reflector.invoke(getValueClass, lastInLoop)); 98 var rexInLoop = Reflector.invoke(getValue, lastInLoop); 99 print("in loop rex class = " + rexInLoop.getClass()); 100 print("in loop rex return type = " + Reflector.invoke(getReturnType, rexInLoop)); 101 102 //try last runtime events 103 var last = Debug.getLastRuntimeEvent(); 104 //the code after the loop creates additional rewrite exceptions 105 print(); 106 print(last !== lastInLoop); 107 print(); 108 109 print("last class = " + last.getClass()); 110 print("last value class = " + Reflector.invoke(getValueClass, last)); 111 var rex = Reflector.invoke(getValue, last); 112 print("rex class = " + rex.getClass()); 113 print("rex return type = " + Reflector.invoke(getReturnType, rex)); 114 115 //try the capacity setter 116 print(); 117 print(Debug.getEventQueueCapacity()); 118 Debug.setEventQueueCapacity(2048); 119 print(Debug.getEventQueueCapacity()); 120 121 //try clear events 122 print(); 123 Debug.clearRuntimeEvents(); 124 print(Debug.getRuntimeEvents().length); 125