/* eslint-env mozilla/frame-script */
/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

// Test that the fix for bug 687710 isn't too aggressive -- shentries which are
// cousins should be able to share bfcache entries.

var stateBackup = ss.getBrowserState();

var state = {entries:[
  {
    docIdentifier: 1,
    url: "http://example.com?1",
    children: [{ docIdentifier: 10,
                 url: "http://example.com?10" }]
  },
  {
    docIdentifier: 1,
    url: "http://example.com?1#a",
    children: [{ docIdentifier: 10,
                 url: "http://example.com?10#aa" }]
  }
]};

add_task(function* test() {
  let tab = gBrowser.addTab("about:blank");
  yield promiseTabState(tab, state);
  yield ContentTask.spawn(tab.linkedBrowser, null, function() {
    function compareEntries(i, j, history) {
      let e1 = history.getEntryAtIndex(i, false)
                      .QueryInterface(Ci.nsISHEntry)
                      .QueryInterface(Ci.nsISHContainer);

      let e2 = history.getEntryAtIndex(j, false)
                      .QueryInterface(Ci.nsISHEntry)
                      .QueryInterface(Ci.nsISHContainer);

      ok(e1.sharesDocumentWith(e2),
         `${i} should share doc with ${j}`);
      is(e1.childCount, e2.childCount,
         `Child count mismatch (${i}, ${j})`);

      for (let c = 0; c < e1.childCount; c++) {
        let c1 = e1.GetChildAt(c);
        let c2 = e2.GetChildAt(c);

        ok(c1.sharesDocumentWith(c2),
           `Cousins should share documents. (${i}, ${j}, ${c})`);
      }
    }

    let history = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
                          .getInterface(Ci.nsISHistory);

    is(history.count, 2, "history.count");
    for (let i = 0; i < history.count; i++) {
      for (let j = 0; j < history.count; j++) {
        compareEntries(i, j, history);
      }
    }
  });

  ss.setBrowserState(stateBackup);
});