115 lines
3.6 KiB
JavaScript
115 lines
3.6 KiB
JavaScript
/*
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* Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* JDK-8067215: Disable dual fields when not using optimistic types
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*
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* @test
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* @run
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* @option -Dnashorn.debug=true
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* @option -scripting
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* @fork
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*/
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var intType = Java.type("int");
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var doubleType = Java.type("double");
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var objectType = Java.type("java.lang.Object");
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var Context = Java.type("jdk.nashorn.internal.runtime.Context");
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var JSType = Java.type("jdk.nashorn.internal.runtime.JSType");
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var Property = Java.type("jdk.nashorn.internal.runtime.Property");
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var PropertyMap = Java.type("jdk.nashorn.internal.runtime.PropertyMap");
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// Class objects
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var objectCls = Java.type("java.lang.Object").class;
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var contextCls = Context.class;
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var JSTypeCls = JSType.class;
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var propertyCls = Property.class;
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var propertyMapCls = PropertyMap.class;
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// Method objects
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var getContextMethod = contextCls.getMethod("getContext");
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var isRepresentableAsIntMethod = JSTypeCls.getMethod("isRepresentableAsInt", java.lang.Double.TYPE);
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var hasDualFieldsMethod = propertyCls.getMethod("hasDualFields");
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var getTypeMethod = propertyCls.getMethod("getType");
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var findPropertyMethod = propertyMapCls.getMethod("findProperty", objectCls);
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var context = getContextMethod.invoke(null);
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var useDualFieldsMethod = contextCls.getMethod("useDualFields");
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var dualFields = useDualFieldsMethod.invoke(context);
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var optimisticTypes = $OPTIONS._optimistic_types;
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if (dualFields != optimisticTypes) {
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throw new Error("Wrong dual fields setting");
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}
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function testMap(obj) {
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obj.x = "foo";
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obj["y"] = 0;
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Object.defineProperty(obj, "z", {value: 0.5});
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var map = Debug.map(obj);
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for (var key in obj) {
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var prop = findPropertyMethod.invoke(map, key);
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if (hasDualFieldsMethod.invoke(prop) !== dualFields) {
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throw new Error("Wrong property flags: " + prop);
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}
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if (getTypeMethod.invoke(prop) != getExpectedType(obj[key])) {
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throw new Error("Wrong property type: " + prop.getType() + " // " + getExpectedType(obj[key]));
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}
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}
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}
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function getExpectedType(value) {
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if (!dualFields) {
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return objectType.class;
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}
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if (typeof value === "number") {
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return isRepresentableAsIntMethod.invoke(null, value) ? intType.class : doubleType.class;
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}
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return objectType.class;
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}
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var o = {
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a: 1,
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b: 2.5,
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c: 0x10000000000,
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d: true
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};
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function C() {
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this.a = 1;
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this.b = 2.5;
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this.c = 0x10000000000;
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this.d = true;
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}
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var a = 1;
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var b = 2.5;
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var c = 0x10000000000;
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var d = true;
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testMap(o);
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testMap(new C());
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testMap(JSON.parse('{ "a": 1, "b": 2.5, "c": 1099511627776, "d": true }'));
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testMap(this);
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