regress-406572.js - mozsearch

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

//-----------------------------------------------------------------------------

var BUGNUMBER = 406572;

var summary = 'JSOP_CLOSURE unconditionally replaces properties of the variable object - Browser only';

var actual = '';

var expect = '';

printBugNumber(BUGNUMBER);

printStatus (summary);

if (typeof window != 'undefined')

  try {

    actual = "FAIL: Unexpected exception thrown";

    var win = window;

    var windowString = String(window);

    window = 1;

    reportCompare(windowString, String(window), "window should be readonly");

    if (1)

      function window() { return 1; }

    // We should reach this line without throwing. Annex B means the

    // block-scoped function above gets an assignment to 'window' in the

    // nearest 'var' environment, but since 'window' is read-only, the

    // assignment silently fails.

    actual = "";

    // The test harness might rely on window having its original value:

    // restore it.

    window = win;

  } catch (e) {

else

  expect = actual = 'Test can only run in a Gecko 1.9 browser or later.';

  print(actual);

reportCompare(expect, actual, summary);