/* * Copyright (c) 2010, 2014, 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-8044851: nashorn properties leak memory * * @test * @run * @option -Dnashorn.debug=true * @fork */ function printProperty(value, property) { print(value, property.getKey(), property.isSpill() ? "spill" : "field", property.getSlot()); } var obj = {}, i, name; for (i = 0; i < 8; ++i) { name = 'property' + i; obj[name] = 'a' + i; printProperty(obj[name], Debug.map(obj).findProperty(name)); } print(); for (i = 0; i < 8; ++i) { name = 'property' + i; delete obj[name]; } for (i = 0; i < 8; ++i) { name = 'property' + i; obj[name] = 'b' + i; printProperty(obj[name], Debug.map(obj).findProperty(name)); } print(); for (i = 0; i < 8; ++i) { name = 'property' + i; Object.defineProperty(obj, name, {get: function() {return i;}, set: function(v) {}, configurable: true}); printProperty(obj[name], Debug.map(obj).findProperty(name)); } print(); for (i = 0; i < 8; ++i) { name = 'property' + i; delete obj[name]; } for (i = 0; i < 8; ++i) { name = 'property' + i; obj[name] = 'c' + i; printProperty(obj[name], Debug.map(obj).findProperty(name)); } print(); for (i = 7; i > -1; --i) { name = 'property' + i; delete obj[name]; } for (i = 0; i < 8; ++i) { name = 'property' + i; obj[name] = 'd' + i; printProperty(obj[name], Debug.map(obj).findProperty(name)); } print(); for (i = 0; i < 8; ++i) { name = 'property' + i; Object.defineProperty(obj, name, {get: function() {return i;}, set: function(v) {}}); printProperty(obj[name], Debug.map(obj).findProperty(name)); }