/* * Copyright (c) 2010, 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-8067215: Disable dual fields when not using optimistic types * * @test * @run * @option -Dnashorn.debug=true * @option -scripting * @fork */ var intType = Java.type("int"); var doubleType = Java.type("double"); var objectType = Java.type("java.lang.Object"); var Context = Java.type("jdk.nashorn.internal.runtime.Context"); var JSType = Java.type("jdk.nashorn.internal.runtime.JSType"); var Property = Java.type("jdk.nashorn.internal.runtime.Property"); var PropertyMap = Java.type("jdk.nashorn.internal.runtime.PropertyMap"); // Class objects var objectCls = Java.type("java.lang.Object").class; var contextCls = Context.class; var JSTypeCls = JSType.class; var propertyCls = Property.class; var propertyMapCls = PropertyMap.class; // Method objects var getContextMethod = contextCls.getMethod("getContext"); var isRepresentableAsIntMethod = JSTypeCls.getMethod("isRepresentableAsInt", java.lang.Double.TYPE); var hasDualFieldsMethod = propertyCls.getMethod("hasDualFields"); var getTypeMethod = propertyCls.getMethod("getType"); var findPropertyMethod = propertyMapCls.getMethod("findProperty", objectCls); var context = getContextMethod.invoke(null); var useDualFieldsMethod = contextCls.getMethod("useDualFields"); var dualFields = useDualFieldsMethod.invoke(context); var optimisticTypes = $OPTIONS._optimistic_types; if (dualFields != optimisticTypes) { throw new Error("Wrong dual fields setting"); } function testMap(obj) { obj.x = "foo"; obj["y"] = 0; Object.defineProperty(obj, "z", {value: 0.5}); var map = Debug.map(obj); for (var key in obj) { var prop = findPropertyMethod.invoke(map, key); if (hasDualFieldsMethod.invoke(prop) !== dualFields) { throw new Error("Wrong property flags: " + prop); } if (getTypeMethod.invoke(prop) != getExpectedType(obj[key])) { throw new Error("Wrong property type: " + prop.getType() + " // " + getExpectedType(obj[key])); } } } function getExpectedType(value) { if (!dualFields) { return objectType.class; } if (typeof value === "number") { return isRepresentableAsIntMethod.invoke(null, value) ? intType.class : doubleType.class; } return objectType.class; } var o = { a: 1, b: 2.5, c: 0x10000000000, d: true }; function C() { this.a = 1; this.b = 2.5; this.c = 0x10000000000; this.d = true; } var a = 1; var b = 2.5; var c = 0x10000000000; var d = true; testMap(o); testMap(new C()); testMap(JSON.parse('{ "a": 1, "b": 2.5, "c": 1099511627776, "d": true }')); testMap(this);