tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_526613.js (2449B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 function test() {
      6  /** Test for Bug 526613 */
      7 
      8  // test setup
      9  waitForExplicitFinish();
     10 
     11  function browserWindowsCount(expected) {
     12    let count = 0;
     13    for (let win of Services.wm.getEnumerator("navigator:browser")) {
     14      if (!win.closed) {
     15        ++count;
     16      }
     17    }
     18    is(
     19      count,
     20      expected,
     21      "number of open browser windows according to nsIWindowMediator"
     22    );
     23    let state = ss.getBrowserState();
     24    info(state);
     25    is(
     26      JSON.parse(state).windows.length,
     27      expected,
     28      "number of open browser windows according to getBrowserState"
     29    );
     30  }
     31 
     32  browserWindowsCount(1);
     33 
     34  // backup old state
     35  let oldState = ss.getBrowserState();
     36  // create a new state for testing
     37  let testState = {
     38    windows: [
     39      { tabs: [{ entries: [{ url: "http://example.com/" }] }], selected: 1 },
     40      { tabs: [{ entries: [{ url: "about:mozilla" }] }], selected: 1 },
     41    ],
     42    // make sure the first window is focused, otherwise when restoring the
     43    // old state, the first window is closed and the test harness gets unloaded
     44    selectedWindow: 1,
     45  };
     46 
     47  let pass = 1;
     48  function observer(aSubject, aTopic) {
     49    is(
     50      aTopic,
     51      "sessionstore-browser-state-restored",
     52      "The sessionstore-browser-state-restored notification was observed"
     53    );
     54 
     55    if (pass++ == 1) {
     56      browserWindowsCount(2);
     57 
     58      // let the first window be focused (see above)
     59      function pollMostRecentWindow() {
     60        if (Services.wm.getMostRecentWindow("navigator:browser") == window) {
     61          ss.setBrowserState(oldState);
     62        } else {
     63          info("waiting for the current window to become active");
     64          setTimeout(pollMostRecentWindow, 0);
     65          window.focus(); // XXX Why is this needed?
     66        }
     67      }
     68      pollMostRecentWindow();
     69    } else {
     70      browserWindowsCount(1);
     71      ok(
     72        !window.closed,
     73        "Restoring the old state should have left this window open"
     74      );
     75      Services.obs.removeObserver(
     76        observer,
     77        "sessionstore-browser-state-restored"
     78      );
     79      finish();
     80    }
     81  }
     82  Services.obs.addObserver(observer, "sessionstore-browser-state-restored");
     83 
     84  // set browser to test state
     85  ss.setBrowserState(JSON.stringify(testState));
     86 }