browser/components/sessionstore/test/browser_662812.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

function test() {
  waitForExplicitFinish();

  window.addEventListener(
    "SSWindowStateBusy",
    function () {
      let state = ss.getWindowState(window);
      ok(state.windows[0].busy, "window is busy");

      window.addEventListener(
        "SSWindowStateReady",
        function () {
          let state2 = ss.getWindowState(window);
          ok(!state2.windows[0].busy, "window is not busy");

          executeSoon(() => {
            gBrowser.removeTab(gBrowser.tabs[1]);
            finish();
          });
        },
        { once: true }
      );
    },
    { once: true }
  );

  // create a new tab
  let tab = BrowserTestUtils.addTab(gBrowser, "about:mozilla");
  let browser = tab.linkedBrowser;

  // close and restore it
  browser.addEventListener(
    "load",
    function () {
      gBrowser.removeTab(tab);
      ss.undoCloseTab(window, 0);
    },
    { capture: true, once: true }
  );
}