The Tor Browser: browser/components/sessionstore/test/browser

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* Any copyright is dedicated to the Public Domain.

     2    http://creativecommons.org/publicdomain/zero/1.0/ */

     4 // This test ensures that attempts made to save/restore ("duplicate") pages

     5 // using designmode AND make changes to document structure (remove body)

     6 // don't result in uncaught errors and a broken browser state.

     8 function test() {

     9   waitForExplicitFinish();

    11   let testURL = "http://mochi.test:8888/browser/" +

    12     "browser/components/sessionstore/test/browser_739531_sample.html";

    14   let loadCount = 0;

    15   let tab = gBrowser.addTab(testURL);

    16   tab.linkedBrowser.addEventListener("load", function onLoad(aEvent) {

    17     // make sure both the page and the frame are loaded

    18     if (++loadCount < 2)

    19       return;

    20     tab.linkedBrowser.removeEventListener("load", onLoad, true);

    22     // executeSoon to allow the JS to execute on the page

    23     executeSoon(function() {

    25       let tab2;

    26       let caughtError = false;

    27       try {

    28         tab2 = ss.duplicateTab(window, tab);

    29       }

    30       catch (e) {

    31         caughtError = true;

    32         info(e);

    33       }

    35       is(gBrowser.tabs.length, 3, "there should be 3 tabs")

    37       ok(!caughtError, "duplicateTab didn't throw");

    39       // if the test fails, we don't want to try to close a tab that doesn't exist

    40       if (tab2)

    41         gBrowser.removeTab(tab2);

    42       gBrowser.removeTab(tab);

    44       finish();

    45     });

    46   }, true);

    47 }

The Tor Browser / file revision