зеркало из https://github.com/mozilla/gecko-dev.git
Initial add. Regression test for bug 252892, by archer@meta-comm.com, brendan@mozilla.org
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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) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Aleksey Chernoraenko <archer@meta-comm.com>
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* Brendan Eich <brendan@mozilla.org>
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* Bob Clary <bob@bclary.com>
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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 = 252892;
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var summary = 'for (var i in o) in heavyweight function f should define i in f\'s activation';
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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 status;
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var dodis;
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function f1(o){for(var x in o)printStatus(o[x]); return x}
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function f2(o){with(this)for(var x in o)printStatus(o[x]); return x}
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function f2novar(o){with(this)for(x in o)printStatus(o[x]); return x}
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function f3(i,o){for(var x=i in o)printStatus(o[x]); return x}
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function f4(i,o){with(this)for(var x=i in o)printStatus(o[x]); return x}
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const f1src = "\n" +
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"function f1(o) {\n" +
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" for (var x in o) {\n" +
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" printStatus(o[x]);\n" +
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" }\n" +
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" return x;\n" +
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"}\n";
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const f2src = "\n" +
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"function f2(o) {\n" +
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" with (this) {\n" +
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" for (var x in o) {\n" +
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" printStatus(o[x]);\n" +
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" }\n" +
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" }\n" +
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" return x;\n" +
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"}\n";
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const f2novarsrc = "\n" +
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"function f2novar(o) {\n" +
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" with (this) {\n" +
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" for (x in o) {\n" +
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" printStatus(o[x]);\n" +
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" }\n" +
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" }\n" +
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" return x;\n" +
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"}\n";
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const f3src = "\n" +
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"function f3(i, o) {\n" +
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" var x = i;\n" +
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" for (x in o) {\n" +
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" printStatus(o[x]);\n" +
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" }\n" +
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" return x;\n" +
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"}\n";
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const f4src = "\n" +
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"function f4(i, o) {\n" +
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" with (this) {\n" +
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" var x = i;\n" +
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" for (x in o) {\n" +
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" printStatus(o[x]);\n" +
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" }\n" +
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" }\n" +
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" return x;\n" +
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"}\n";
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var t=0;
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function assert(c)
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{
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++t;
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status = summary + ' ' + inSection(t);
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expect = true;
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actual = c;
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if (!c)
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{
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printStatus(t + " FAILED!");
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}
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reportCompare(expect, actual, summary);
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}
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if (dodis && this.dis) dis(f1);
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assert(f1 == f1src);
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if (dodis && this.dis) dis(f2);
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assert(f2 == f2src);
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if (dodis && this.dis) dis(f2novar);
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assert(f2novar == f2novarsrc);
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if (dodis && this.dis) dis(f3);
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assert(f3 == f3src);
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if (dodis && this.dis) dis(f4);
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assert(f4 == f4src);
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assert(f1([]) == undefined);
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assert(f1(['first']) == 0);
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assert(f2([]) == undefined);
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assert(f2(['first']) == 0);
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assert(f3(42, []) == 42);
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assert(f3(42, ['first']) == 0);
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assert(f4(42, []) == 42);
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assert(f4(42, ['first']) == 0);
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this.x = 41;
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assert(f2([]) == undefined);
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assert(f2novar([]) == 41);
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assert(f2(['first']) == undefined);
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assert(f2novar(['first']) == 0);
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