forked from mirrors/gecko-dev
f2b1e8dbda
It took me a little bit to understand what the test was doing. It was actually using the default tab to navigate to three pages. Then, it duplicated it immediatedly closed that tab. Finally, it duplicated the original tab, then duplicated the duplicate before closing both of those tabs. MozReview-Commit-ID: 85eY3FhZniA
37 lines
1.3 KiB
JavaScript
37 lines
1.3 KiB
JavaScript
add_task(function* test() {
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yield BrowserTestUtils.withNewTab("data:text/plain;charset=utf-8,1", function* (browser) {
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BrowserTestUtils.loadURI(browser, "data:text/plain;charset=utf-8,2");
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yield BrowserTestUtils.browserLoaded(browser);
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BrowserTestUtils.loadURI(browser, "data:text/plain;charset=utf-8,3");
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yield BrowserTestUtils.browserLoaded(browser);
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yield duplicate(0, "maintained the original index");
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yield BrowserTestUtils.removeTab(gBrowser.selectedTab);
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yield duplicate(-1, "went back");
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yield duplicate(1, "went forward");
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yield BrowserTestUtils.removeTab(gBrowser.selectedTab);
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yield BrowserTestUtils.removeTab(gBrowser.selectedTab);
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});
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});
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function promiseGetIndex(browser) {
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return ContentTask.spawn(browser, null, function() {
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let shistory = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsISHistory);
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return shistory.index;
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});
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}
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let duplicate = Task.async(function* (delta, msg, cb) {
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var startIndex = yield promiseGetIndex(gBrowser.selectedBrowser);
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duplicateTabIn(gBrowser.selectedTab, "tab", delta);
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let tab = gBrowser.selectedTab;
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yield BrowserTestUtils.waitForEvent(tab, "SSTabRestored");
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let endIndex = yield promiseGetIndex(gBrowser.selectedBrowser);
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is(endIndex, startIndex + delta, msg);
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});
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