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  */

    32 

    33 var forName       = java.lang.Class["forName(String)"];

    34 var RuntimeEvent  = forName("jdk.nashorn.internal.runtime.events.RuntimeEvent").static;

    35 var getValue      = RuntimeEvent.class.getMethod("getValue");

    36 var RewriteException = forName("jdk.nashorn.internal.runtime.RewriteException").static;

    37 var getReturnType    = RewriteException.class.getMethod("getReturnType");

    38 var RecompilationEvent = forName("jdk.nashorn.internal.runtime.events.RecompilationEvent").static;

    39 var getReturnValue     = RecompilationEvent.class.getMethod("getReturnValue");

    40 var setReturnTypeAndValue = [];

    41 var expectedValues = [];

    42 

    43 function checkExpectedRecompilation(f, expectedValues, testCase) {

    44     Debug.clearRuntimeEvents();

    45     print(f());

    46     events = Debug.getRuntimeEvents();

    47     //make sure we got runtime events

    48     print("events = " + (events.toString().indexOf("RuntimeEvent") != -1)); 

    49     if (events.length ==  expectedValues.length) {

    50         for (var i in events) {

    51             var e = events[i];

    52             var returnValue = getReturnValue.invoke(e);

    53             if (typeof returnValue != 'undefined') {

    54 	        setReturnTypeAndValue[i] = [getReturnType.invoke(getValue.invoke(e)), returnValue];

    55             } else {

    56                 returnValue = "undefined";

    57                 setReturnTypeAndValue[i] = [getReturnType.invoke(getValue.invoke(e)), returnValue];

    58             }

    59             if (!setReturnTypeAndValue[i].toString().equals(expectedValues[i].toString())) {

    60                 fail("The return values are not as expected. Expected value: " + expectedValues[i] + " and got: " + setReturnTypeAndValue[i] + " in test case: " + f);

    61             }

    62         }

    63     } else {

    64         fail("Number of Deoptimizing recompilation is not correct, expected: " + expectedValues.length + " and found: " + events.length + " in test case: " + f);       

    65     }    

    66 }

    67 

    68 checkExpectedRecompilation(function divisionByZeroTest() {var x = { a: 2, b:1 }; x.a = Number.POSITIVE_INFINITY; x.b = 0; print(x.a/x.b); return 1;}, 

    69                            expectedValues =[['double', 'Infinity']]);

    70 checkExpectedRecompilation(function divisionWithRemainderTest() {var x = { a: 7, b:2 }; print(x.a/x.b); return 1;}, expectedValues =[['double', '3.5']]);

    71 checkExpectedRecompilation(function infinityMultiplicationTest() {var x = { a: Number.POSITIVE_INFINITY, b: Number.POSITIVE_INFINITY}; print(x.a*x.b); return 1;}, 

    72                            expectedValues =[['double', 'Infinity']]);

    73 checkExpectedRecompilation(function maxValueMultiplicationTest() {var x = { a: Number.MAX_VALUE, b: Number.MAX_VALUE}; print(x.a*x.b); return 1;}, 

    74                            expectedValues =[['double', '1.7976931348623157e+308']]);

    75 checkExpectedRecompilation(function divisionByInfinityTest() {var x = { a: -1, b: Number.POSITIVE_INFINITY}; print(x.a/x.b); return 1;}, 

    76                            expectedValues =[['double', 'Infinity']]);

    77 checkExpectedRecompilation(function divisionByStringTest() {var x = { a: Number.POSITIVE_INFINITY, b: 'Hello'}; print(x.a/x.b); return 1;}, 

    78                            expectedValues =[['double', 'Infinity']]);

    79 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;}, 

    80                            expectedValues =[['object', 'undefined']]);

    81 checkExpectedRecompilation(function functionTest(a,b,c) { d = (a + b) * c; print(d); return 1;}, expectedValues =[['double', 'NaN']]);

    82 checkExpectedRecompilation(function andTest(a,b) { d = a && b; print(d); return 1;}, expectedValues =[['object', 'undefined']]);