optimistic_recompilation.js revision 847:d5c2bf69f341
1279377Simp/* 2279377Simp * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3279377Simp * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4279377Simp * 5279377Simp * This code is free software; you can redistribute it and/or modify it 6279377Simp * under the terms of the GNU General Public License version 2 only, as 7279377Simp * published by the Free Software Foundation. 8279377Simp * 9279377Simp * This code is distributed in the hope that it will be useful, but WITHOUT 10279377Simp * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11279377Simp * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12279377Simp * version 2 for more details (a copy is included in the LICENSE file that 13279377Simp * accompanied this code). 14279377Simp * 15279377Simp * You should have received a copy of the GNU General Public License version 16279377Simp * 2 along with this work; if not, write to the Free Software Foundation, 17279377Simp * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18279377Simp * 19279377Simp * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20279377Simp * or visit www.oracle.com if you need additional information or have any 21279377Simp * questions. 22279377Simp */ 23279377Simp 24279377Simp/** 25279377Simp * Ask Debug for an event log of favourable events instead of using --log flags printing to screen 26279377Simp * @test 27279377Simp * @bug 8037086,8038398 28279377Simp * @fork 29279377Simp * @option -Dnashorn.debug=true 30279377Simp * @option --log=recompile:quiet 31279377Simp */ 32279377Simp 33279377Simpvar forName = java.lang.Class["forName(String)"]; 34279377Simpvar RuntimeEvent = forName("jdk.nashorn.internal.runtime.events.RuntimeEvent").static; 35279377Simpvar getValue = RuntimeEvent.class.getMethod("getValue"); 36279377Simpvar RewriteException = forName("jdk.nashorn.internal.runtime.RewriteException").static; 37279377Simpvar getReturnType = RewriteException.class.getMethod("getReturnType"); 38279377Simpvar RecompilationEvent = forName("jdk.nashorn.internal.runtime.events.RecompilationEvent").static; 39279377Simpvar getReturnValue = RecompilationEvent.class.getMethod("getReturnValue"); 40279377Simpvar setReturnTypeAndValue = []; 41279377Simpvar expectedValues = []; 42279377Simp 43279377Simpfunction checkExpectedRecompilation(f, expectedValues, testCase) { 44279377Simp Debug.clearRuntimeEvents(); 45279377Simp print(f()); 46279377Simp events = Debug.getRuntimeEvents(); 47279377Simp //make sure we got runtime events 48279377Simp print("events = " + (events.toString().indexOf("RuntimeEvent") != -1)); 49279377Simp if (events.length == expectedValues.length) { 50279377Simp for (var i in events) { 51279377Simp var e = events[i]; 52279377Simp var returnValue = getReturnValue.invoke(e); 53279377Simp if (typeof returnValue != 'undefined') { 54279377Simp setReturnTypeAndValue[i] = [getReturnType.invoke(getValue.invoke(e)), returnValue]; 55279377Simp } else { 56279377Simp returnValue = "undefined"; 57279377Simp setReturnTypeAndValue[i] = [getReturnType.invoke(getValue.invoke(e)), returnValue]; 58279377Simp } 59279377Simp if (!setReturnTypeAndValue[i].toString().equals(expectedValues[i].toString())) { 60279377Simp fail("The return values are not as expected. Expected value: " + expectedValues[i] + " and got: " + setReturnTypeAndValue[i] + " in test case: " + f); 61279377Simp } 62279377Simp } 63279377Simp } else { 64279377Simp fail("Number of Deoptimizing recompilation is not correct, expected: " + expectedValues.length + " and found: " + events.length + " in test case: " + f); 65279377Simp } 66279377Simp} 67279377Simp 68279377SimpcheckExpectedRecompilation(function divisionByZeroTest() {var x = { a: 2, b:1 }; x.a = Number.POSITIVE_INFINITY; x.b = 0; print(x.a/x.b); return 1;}, 69279377Simp expectedValues =[['double', 'Infinity']]); 70279377SimpcheckExpectedRecompilation(function divisionWithRemainderTest() {var x = { a: 7, b:2 }; print(x.a/x.b); return 1;}, expectedValues =[['double', '3.5']]); 71279377SimpcheckExpectedRecompilation(function infinityMultiplicationTest() {var x = { a: Number.POSITIVE_INFINITY, b: Number.POSITIVE_INFINITY}; print(x.a*x.b); return 1;}, 72279377Simp expectedValues =[['double', 'Infinity']]); 73279377SimpcheckExpectedRecompilation(function maxValueMultiplicationTest() {var x = { a: Number.MAX_VALUE, b: Number.MAX_VALUE}; print(x.a*x.b); return 1;}, 74279377Simp expectedValues =[['double', '1.7976931348623157e+308']]); 75279377SimpcheckExpectedRecompilation(function divisionByInfinityTest() {var x = { a: -1, b: Number.POSITIVE_INFINITY}; print(x.a/x.b); return 1;}, 76279377Simp expectedValues =[['double', 'Infinity']]); 77279377SimpcheckExpectedRecompilation(function divisionByStringTest() {var x = { a: Number.POSITIVE_INFINITY, b: 'Hello'}; print(x.a/x.b); return 1;}, 78279377Simp expectedValues =[['double', 'Infinity']]); 79279377SimpcheckExpectedRecompilation(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;}, 80279377Simp expectedValues =[['object', 'undefined']]); 81279377SimpcheckExpectedRecompilation(function functionTest(a,b,c) { d = (a + b) * c; print(d); return 1;}, expectedValues =[['double', 'NaN']]); 82279377SimpcheckExpectedRecompilation(function andTest(a,b) { d = a && b; print(d); return 1;}, expectedValues =[['object', 'undefined']]); 83279377Simp