gecko/browser/components/sessionstore/test/browser_493467.js

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 * The Original Code is sessionstore test code.
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 * The Initial Developer of the Original Code is
 * Simon Bünzli <zeniko@gmail.com>.
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function test() {
  /** Test for Bug 493467 **/

  let tab = gBrowser.addTab();
  tab.linkedBrowser.stop();
  let tabState = JSON.parse(ss.getTabState(tab));
  is(tabState.disallow || "", "", "Everything is allowed per default");
  
  // collect all permissions that can be set on a docShell (i.e. all
  // attributes starting with "allow" such as "allowJavascript") and
  // disallow them all, as SessionStore only remembers disallowed ones
  let permissions = [];
  let docShell = tab.linkedBrowser.docShell;
  for (let attribute in docShell) {
    if (/^allow([A-Z].*)/.test(attribute)) {
      permissions.push(RegExp.$1);
      docShell[attribute] = false;
    }
  }
  
  // make sure that all available permissions have been remembered
  tabState = JSON.parse(ss.getTabState(tab));
  let disallow = tabState.disallow.split(",");
  permissions.forEach(function(aName) {
    ok(disallow.indexOf(aName) > -1, "Saved state of allow" + aName);
  });
  // IF A TEST FAILS, please add the missing permission's name (without the
  // leading "allow") to nsSessionStore.js's CAPABILITIES array. Thanks.
  
  gBrowser.removeTab(tab);
}