40 lines
1 KiB
JavaScript
40 lines
1 KiB
JavaScript
"use strict";
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add_task(async function () {
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let tab = (gBrowser.selectedTab = BrowserTestUtils.addTab(
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gBrowser,
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"about:mozilla"
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));
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await promiseBrowserLoaded(gBrowser.selectedBrowser);
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let win = gBrowser.replaceTabWithWindow(tab);
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await promiseDelayedStartupFinished(win);
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await promiseBrowserHasURL(win.gBrowser.browsers[0], "about:mozilla");
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win.duplicateTabIn(win.gBrowser.selectedTab, "tab");
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await promiseTabRestored(win.gBrowser.tabs[1]);
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let browser = win.gBrowser.browsers[1];
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is(browser.currentURI.spec, "about:mozilla", "tab was duplicated");
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await BrowserTestUtils.closeWindow(win);
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});
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function promiseDelayedStartupFinished(win) {
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return new Promise(resolve => {
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whenDelayedStartupFinished(win, resolve);
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});
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}
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function promiseBrowserHasURL(browser, url) {
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let promise = Promise.resolve();
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if (
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browser.contentDocument.readyState === "complete" &&
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browser.currentURI.spec === url
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) {
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return promise;
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}
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return promise.then(() => promiseBrowserHasURL(browser, url));
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}
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