test_bug345529.js - mozsearch

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/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/  */

// Regression test for bug 345529 - crash removing an observer during an

// nsPref:changed notification.

function run_test() {

  const PREF_NAME = "testPref";

  var observer = {

    QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),

    observe: function observe() {

      Services.prefs.removeObserver(PREF_NAME, observer);

},

};

  Services.prefs.addObserver(PREF_NAME, observer);

  Services.prefs.setCharPref(PREF_NAME, "test0");

  // This second call isn't needed on a clean profile: it makes sure

  // the observer gets called even if the pref already had the value

  // "test0" before this test.

  Services.prefs.setCharPref(PREF_NAME, "test1");

  Assert.ok(true);