gecko/browser/components/sessionstore/test/browser_739531.js

48 lines
1.3 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// This test ensures that attempts made to save/restore ("duplicate") pages
// using designmode AND make changes to document structure (remove body)
// don't result in uncaught errors and a broken browser state.
function test() {
waitForExplicitFinish();
let testURL = "http://mochi.test:8888/browser/" +
"browser/components/sessionstore/test/browser_739531_sample.html";
let loadCount = 0;
let tab = gBrowser.addTab(testURL);
tab.linkedBrowser.addEventListener("load", function onLoad(aEvent) {
// make sure both the page and the frame are loaded
if (++loadCount < 2)
return;
tab.linkedBrowser.removeEventListener("load", onLoad, true);
// executeSoon to allow the JS to execute on the page
executeSoon(function() {
let tab2;
let caughtError = false;
try {
tab2 = ss.duplicateTab(window, tab);
}
catch (e) {
caughtError = true;
info(e);
}
is(gBrowser.tabs.length, 3, "there should be 3 tabs")
ok(!caughtError, "duplicateTab didn't throw");
// if the test fails, we don't want to try to close a tab that doesn't exist
if (tab2)
gBrowser.removeTab(tab2);
gBrowser.removeTab(tab);
finish();
});
}, true);
}