/* 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/. */

function browserWindowsCount() {
  let count = 0;
  let e = Services.wm.getEnumerator("navigator:browser");
  while (e.hasMoreElements()) {
    if (!e.getNext().closed)
      ++count;
  }
  return count;
}

function test() {
  /** Test for Bug 477657 **/
  is(browserWindowsCount(), 1, "Only one browser window should be open initially");
  
  // Test fails randomly on OS X (bug 482975)
  if ("nsILocalFileMac" in Components.interfaces)
    return;

  waitForExplicitFinish();
  
  let newWin = openDialog(location, "_blank", "chrome,all,dialog=no");
  newWin.addEventListener("load", function loadListener(aEvent) {
    newWin.removeEventListener("load", loadListener, false);

    let newState = { windows: [{
      tabs: [{ entries: [] }],
      _closedTabs: [{
        state: { entries: [{ url: "about:" }]},
        title: "About:"
      }],
      sizemode: "maximized"
    }] };

    let uniqueKey = "bug 477657";
    let uniqueValue = "unik" + Date.now();

    ss.setWindowValue(newWin, uniqueKey, uniqueValue);
    is(ss.getWindowValue(newWin, uniqueKey), uniqueValue,
       "window value was set before the window was overwritten");
    ss.setWindowState(newWin, JSON.stringify(newState), true);

    // use setTimeout(..., 0) to mirror sss_restoreWindowFeatures
    setTimeout(function() {
      is(ss.getWindowValue(newWin, uniqueKey), "",
         "window value was implicitly cleared");

      is(newWin.windowState, newWin.STATE_MAXIMIZED,
         "the window was maximized");

      is(JSON.parse(ss.getClosedTabData(newWin)).length, 1,
         "the closed tab was added before the window was overwritten");
      delete newState.windows[0]._closedTabs;
      delete newState.windows[0].sizemode;
      ss.setWindowState(newWin, JSON.stringify(newState), true);

      setTimeout(function() {
        is(JSON.parse(ss.getClosedTabData(newWin)).length, 0,
           "closed tabs were implicitly cleared");

        is(newWin.windowState, newWin.STATE_MAXIMIZED,
           "the window remains maximized");
        newState.windows[0].sizemode = "normal";
        ss.setWindowState(newWin, JSON.stringify(newState), true);

        setTimeout(function() {
          isnot(newWin.windowState, newWin.STATE_MAXIMIZED,
                "the window was explicitly unmaximized");

          newWin.close();
          is(browserWindowsCount(), 1, "Only one browser window should be open eventually");
          finish();
        }, 0);
      }, 0);
    }, 0);
  }, false);
}
