9a9e272b1d
Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282 Co-authored-by: Alex Buckley <alex.buckley@oracle.com> Co-authored-by: Jonathan Gibbons <jonathan.gibbons@oracle.com> Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com> Co-authored-by: Mandy Chung <mandy.chung@oracle.com> Co-authored-by: Mark Reinhold <mark.reinhold@oracle.com> Co-authored-by: Sundararajan Athijegannathan <sundararajan.athijegannathan@oracle.com> Co-authored-by: Erik Joelsson <erik.joelsson@oracle.com> Reviewed-by: mhaupt, hannesw
113 lines
3.2 KiB
JavaScript
113 lines
3.2 KiB
JavaScript
/*
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* Copyright (c) 2010, 2014, 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-8044851: nashorn properties leak memory
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*
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* @test
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* @option -Dnashorn.debug=true
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* @fork
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*/
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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 propertyCls = Property.class;
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var propertyMapCls = PropertyMap.class;
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// Method objects
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var findPropertyMethod = propertyMapCls.getMethod("findProperty", objectCls);
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var getKeyMethod = propertyCls.getMethod("getKey");
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var isSpillMethod = propertyCls.getMethod("isSpill");
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var getSlotMethod = propertyCls.getMethod("getSlot");
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function printProperty(value, property) {
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print(value, getKeyMethod.invoke(property),
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isSpillMethod.invoke(property) ? "spill" : "field", getSlotMethod.invoke(property));
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}
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function findProperty(obj, name) {
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var map = Debug.map(obj);
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return findPropertyMethod.invoke(map, name);
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}
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var obj = {}, i, name;
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for (i = 0; i < 8; ++i) {
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name = 'property' + i;
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obj[name] = 'a' + i;
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printProperty(obj[name], findProperty(obj, name));
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}
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print();
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for (i = 0; i < 8; ++i) {
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name = 'property' + i;
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delete obj[name];
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}
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for (i = 0; i < 8; ++i) {
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name = 'property' + i;
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obj[name] = 'b' + i;
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printProperty(obj[name], findProperty(obj, name));
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}
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print();
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for (i = 0; i < 8; ++i) {
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name = 'property' + i;
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Object.defineProperty(obj, name, {get: function() {return i;}, set: function(v) {}, configurable: true});
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printProperty(obj[name], findProperty(obj, name));
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}
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print();
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for (i = 0; i < 8; ++i) {
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name = 'property' + i;
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delete obj[name];
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}
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for (i = 0; i < 8; ++i) {
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name = 'property' + i;
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obj[name] = 'c' + i;
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printProperty(obj[name], findProperty(obj, name));
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}
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print();
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for (i = 7; i > -1; --i) {
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name = 'property' + i;
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delete obj[name];
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}
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for (i = 0; i < 8; ++i) {
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name = 'property' + i;
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obj[name] = 'd' + i;
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printProperty(obj[name], findProperty(obj, name));
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}
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print();
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for (i = 0; i < 8; ++i) {
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name = 'property' + i;
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Object.defineProperty(obj, name, {get: function() {return i;}, set: function(v) {}});
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printProperty(obj[name], findProperty(obj, name));
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}
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