--- old/test/nashorn/script/basic/JDK-8141407.js 2020-04-15 19:04:14.000000000 +0530 +++ /dev/null 2020-04-15 19:04:14.000000000 +0530 @@ -1,62 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -/** - * JDK-8141407: Wrong evaluation of a != a when a = NaN - * - * @test - * @run - */ - -function expectNotEqualToSelf(a) { - Assert.assertFalse(a == a); - Assert.assertFalse(a === a); - Assert.assertTrue(a != a); - Assert.assertTrue(a !== a); -} - -// In previous versions of Nashorn this failed only on the second assignment, -// because only then the property slot was widened to object. -var a = NaN; -expectNotEqualToSelf(a); -a = {}; -a = NaN; -expectNotEqualToSelf(a); - -// We do have to do value-based rather than reference-based comparison for -// java.lang.Double since that class is used to represent primitive numbers -// in JavaScript. -var b = new java.lang.Double(NaN); -expectNotEqualToSelf(b); -b = {}; -b = new java.lang.Double(NaN); -expectNotEqualToSelf(b); - -// Although float is not used internally by Nashorn, java.lang.Float -// is handled like a primitive number in most of Nashorn, so for consistency -// we treat it like java.lang.Double. -var c = new java.lang.Float(NaN); -expectNotEqualToSelf(c); -c = {}; -c = new java.lang.Float(NaN); -expectNotEqualToSelf(c);