1 /*
   2  * Copyright (c) 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  * Ask Debug for an event log of favourable events instead of using --log flags printing to screen
  26  * @test
  27  * @bug 8037086,8038398
  28  * @fork
  29  * @option -Dnashorn.debug=true
  30  * @option --log=recompile:quiet
  31  * @option --optimistic-types=true
  32  * @run
  33  */
  34 
  35 var Reflector     = Java.type("jdk.nashorn.test.models.Reflector");
  36 var forName       = java.lang.Class["forName(String)"];
  37 var RuntimeEvent  = forName("jdk.nashorn.internal.runtime.events.RuntimeEvent").static;
  38 var getValue      = RuntimeEvent.class.getMethod("getValue");
  39 var RewriteException = forName("jdk.nashorn.internal.runtime.RewriteException").static;
  40 var getReturnType    = RewriteException.class.getMethod("getReturnType");
  41 var RecompilationEvent = forName("jdk.nashorn.internal.runtime.events.RecompilationEvent").static;
  42 var getReturnValue     = RecompilationEvent.class.getMethod("getReturnValue");
  43 var setReturnTypeAndValue = [];
  44 var expectedValues = [];
  45 
  46 function invoke(m, obj) {
  47     return Reflector.invoke(m, obj);
  48 }
  49 
  50 function checkExpectedRecompilation(f, expectedValues, testCase) {
  51     Debug.clearRuntimeEvents();
  52     print(f());
  53     events = Debug.getRuntimeEvents();
  54     //make sure we got runtime events
  55     print("events = " + (events.toString().indexOf("RuntimeEvent") != -1));
  56     if (events.length ==  expectedValues.length) {
  57         for (var i in events) {
  58             var e = events[i];
  59             var returnValue = invoke(getReturnValue, e);
  60             if (typeof returnValue != 'undefined') {
  61                 setReturnTypeAndValue[i] = [invoke(getReturnType, invoke(getValue, e)), returnValue];
  62             } else {
  63                 returnValue = "undefined";
  64                 setReturnTypeAndValue[i] = [invoke(getReturnType, invoke(getValue, e)), returnValue];
  65             }
  66             if (!setReturnTypeAndValue[i].toString().equals(expectedValues[i].toString())) {
  67                 fail("The return values are not as expected. Expected value: " + expectedValues[i] + " and got: " + setReturnTypeAndValue[i] + " in test case: " + f);
  68             }
  69         }
  70     } else {
  71         fail("Number of Deoptimizing recompilation is not correct, expected: " + expectedValues.length + " and found: " + events.length + " in test case: " + f);
  72     }
  73 }
  74 
  75 checkExpectedRecompilation(function divisionByZeroTest() {var x = { a: 2, b:1 }; x.a = Number.POSITIVE_INFINITY; x.b = 0; print(x.a/x.b); return 1;},
  76                            expectedValues =[['double', 'Infinity']]);
  77 checkExpectedRecompilation(function divisionWithRemainderTest() {var x = { a: 7, b:2 }; print(x.a/x.b); return 1;}, expectedValues =[['double', '3.5']]);
  78 checkExpectedRecompilation(function infinityMultiplicationTest() {var x = { a: Number.POSITIVE_INFINITY, b: Number.POSITIVE_INFINITY}; print(x.a*x.b); return 1;},
  79                            expectedValues =[['double', 'Infinity']]);
  80 checkExpectedRecompilation(function maxValueMultiplicationTest() {var x = { a: Number.MAX_VALUE, b: Number.MAX_VALUE}; print(x.a*x.b); return 1;},
  81                            expectedValues =[['double', '1.7976931348623157e+308']]);
  82 checkExpectedRecompilation(function divisionByInfinityTest() {var x = { a: -1, b: Number.POSITIVE_INFINITY}; print(x.a/x.b); return 1;},
  83                            expectedValues =[['double', 'Infinity']]);
  84 checkExpectedRecompilation(function divisionByStringTest() {var x = { a: Number.POSITIVE_INFINITY, b: 'Hello'}; print(x.a/x.b); return 1;},
  85                            expectedValues =[['double', 'Infinity']]);
  86 checkExpectedRecompilation(function nestedFunctionTest() {var a=3,b,c; function f() {var x = 2, y =1; function g(){var y = x; var z = a; z = x*y; print(a*b)} g()}f(); return 1;},
  87                            expectedValues =[['object', 'undefined']]);
  88 checkExpectedRecompilation(function functionTest(a,b,c) { d = (a + b) * c; print(d); return 1;}, expectedValues =[['double', 'NaN']]);
  89 checkExpectedRecompilation(function andTest(a,b) { d = a && b; print(d); return 1;}, expectedValues =[['object', 'undefined']]);