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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Test for Bug 670318
*
* When LoadEntry() is called on a browser that has multiple duplicate history
* entries, history.index can end up out of range (>= history.count).
*/
const URL = "http://mochi.test:8888/browser/docshell/test/browser/file_bug670318.html";
add_task(function* test() {
yield BrowserTestUtils.withNewTab({ gBrowser, url: "about:blank" },
function* (browser) {
yield ContentTask.spawn(browser, URL, function* (URL) {
let history = docShell.QueryInterface(Ci.nsIWebNavigation).sessionHistory;
let count = 0;
let testDone = {};
testDone.promise = new Promise(resolve => { testDone.resolve = resolve; });
let listener = {
OnHistoryNewEntry: function (aNewURI) {
if (aNewURI.spec == URL && 5 == ++count) {
addEventListener("load", function onLoad() {
removeEventListener("load", onLoad, true);
Assert.ok(history.index < history.count, "history.index is valid");
testDone.resolve();
}, true);
history.removeSHistoryListener(listener);
delete content._testListener;
content.setTimeout(() => { content.location.reload(); }, 0);
}
return true;
},
OnHistoryReload: () => true,
OnHistoryGoBack: () => true,
OnHistoryGoForward: () => true,
OnHistoryGotoIndex: () => true,
OnHistoryPurge: () => true,
OnHistoryReplaceEntry: () => {
// The initial load of about:blank causes a transient entry to be
// created, so our first navigation to a real page is a replace
// instead of a new entry.
++count;
return true;
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsISHistoryListener,
Ci.nsISupportsWeakReference])
};
history.addSHistoryListener(listener);
// Since listener implements nsISupportsWeakReference, we are
// responsible for keeping it alive so that the GC doesn't clear
// it before the test completes. We do this by anchoring the listener
// to the content global window, and clearing it just before the test
// completes.
content._testListener = listener;
content.location = URL;
yield testDone.promise;
});
});
});
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