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Regression test for bug 324278, by Igor Bukanov
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83
js/tests/e4x/Regress/regress-324278.js
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83
js/tests/e4x/Regress/regress-324278.js
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is JavaScript Engine testing utilities.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Igor Bukanov
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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//-----------------------------------------------------------------------------
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var bug = 324278;
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var summary = 'GC without recursion';
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var actual;
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var expect;
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printBugNumber (bug);
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printStatus (summary);
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var N = 1000 * 1000;
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print("N = " + N);
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function prepare_list(N)
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{
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var cursor = null;
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for (var i = 0; i != N; ++i) {
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var ns = new Namespace("protocol:address");
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ns.property = cursor;
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var xml = <xml/>;
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xml.addNamespace(ns);
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cursor = {xml: xml};
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}
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return cursor;
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}
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print("preparing...");
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var list = prepare_list(N);
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print("prepared for "+N);
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gc();
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var count = 0;
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while (list && list.xml.inScopeNamespaces().length > 0 && list.xml.inScopeNamespaces()[1]) {
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list = list.xml.inScopeNamespaces()[1].property;
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++count;
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}
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expect = N;
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actual = count;
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TEST(1, expect, actual);
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gc();
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END();
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93
js/tests/js1_5/Regress/regress-324278.js
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93
js/tests/js1_5/Regress/regress-324278.js
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is JavaScript Engine testing utilities.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Igor Bukanov
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
|
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* under the terms of either the GPL or the LGPL, and not to allow others to
|
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* use your version of this file under the terms of the MPL, indicate your
|
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* decision by deleting the provisions above and replace them with the notice
|
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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//-----------------------------------------------------------------------------
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var bug = 324278;
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var summary = 'GC without recursion';
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var actual = 'No Crash';
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var expect = 'No Crash';
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printBugNumber (bug);
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printStatus (summary);
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// Number to push native stack size beyond 10MB if GC recurses generating
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// segfault on Fedora Core / Ubuntu Linuxes where the stack size by default
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// is 10MB/8MB.
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var N = 100*1000;
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function build(N) {
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// Explore the fact that regexp literals are shared between
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// function invocations. Thus we build the following chain:
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// chainTop: function->regexp->function->regexp....->null
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// to check how GC would deal with this chain.
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var chainTop = null;
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for (var i = 0; i != N; ++i) {
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var f = Function('some_arg'+i, ' return /test/;');
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var re = f();
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re.previous = chainTop;
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chainTop = f;
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}
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return chainTop;
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}
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function check(chainTop, N) {
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for (var i = 0; i != N; ++i) {
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var re = chainTop();
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chainTop = re.previous;
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}
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if (chainTop !== null)
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throw "Bad chainTop";
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}
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if (typeof gc != "function") {
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gc = function() {
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for (var i = 0; i != 50*1000; ++i) {
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var tmp = new Object();
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}
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}
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}
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var chainTop = build(N);
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printStatus("BUILT");
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gc();
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check(chainTop, N);
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printStatus("CHECKED");
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chainTop = null;
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gc();
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reportCompare(expect, actual, summary);
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