test/script/basic/JDK-8030197.js

Wed, 03 Jun 2015 18:08:57 +0200

author
hannesw
date
Wed, 03 Jun 2015 18:08:57 +0200
changeset 1396
d5a9705a27b1
parent 962
ac62e33a99b0
permissions
-rw-r--r--

8066237: Fuzzing bug: Parser error on optimistic recompilation
Reviewed-by: lagergren, attila

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
attila@962 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
attila@962 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24
aoqi@0 25 /**
aoqi@0 26 * JDK-8030197: Nashorn: Object.defineProperty() can be lured to change fixed NaN property
aoqi@0 27 *
aoqi@0 28 * @test
aoqi@0 29 * @run
aoqi@0 30 */
aoqi@0 31
aoqi@0 32 function str(n) {
aoqi@0 33 var a = new Uint8Array(new Float64Array([n]).buffer);
aoqi@0 34 return Array.apply(null, a).reduceRight(
aoqi@0 35 function(acc, v){
aoqi@0 36 return acc + (v < 10 ? "0" : "") + v.toString(16);
aoqi@0 37 }, "");
aoqi@0 38 }
aoqi@0 39
aoqi@0 40 var o = Object.defineProperty({}, "NaN", { value: NaN })
aoqi@0 41 var str1 = str(o.NaN);
aoqi@0 42 Object.defineProperty(o, "NaN", { value: 0/0 })
aoqi@0 43 var str2 = str(o.NaN);
aoqi@0 44 if (str1 != str2) {
aoqi@0 45 fail("NaN bit pattern changed");
aoqi@0 46 }

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