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72 lines
2.3 KiB
JavaScript
72 lines
2.3 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* This test ensures that closed tabs are merged when restoring
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* a window state without overwriting tabs.
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*/
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add_task(function () {
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const initialState = {
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windows: [{
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tabs: [
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{ entries: [{ url: "about:blank" }] }
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],
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_closedTabs: [
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{ state: { entries: [{ ID: 1000, url: "about:blank" }]} },
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{ state: { entries: [{ ID: 1001, url: "about:blank" }]} }
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]
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}]
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}
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const restoreState = {
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windows: [{
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tabs: [
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{ entries: [{ url: "about:robots" }] }
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],
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_closedTabs: [
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{ state: { entries: [{ ID: 1002, url: "about:robots" }]} },
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{ state: { entries: [{ ID: 1003, url: "about:robots" }]} },
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{ state: { entries: [{ ID: 1004, url: "about:robots" }]} }
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]
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}]
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}
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const maxTabsUndo = 4;
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gPrefService.setIntPref("browser.sessionstore.max_tabs_undo", maxTabsUndo);
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// Open a new window and restore it to an initial state.
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let win = yield promiseNewWindowLoaded({private: false});
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SessionStore.setWindowState(win, JSON.stringify(initialState), true);
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is(SessionStore.getClosedTabCount(win), 2, "2 closed tabs after restoring initial state");
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// Restore the new state but do not overwrite existing tabs (this should
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// cause the closed tabs to be merged).
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SessionStore.setWindowState(win, JSON.stringify(restoreState), false);
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// Verify the windows closed tab data is correct.
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let iClosed = initialState.windows[0]._closedTabs;
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let rClosed = restoreState.windows[0]._closedTabs;
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let cData = JSON.parse(SessionStore.getClosedTabData(win));
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is(cData.length, Math.min(iClosed.length + rClosed.length, maxTabsUndo),
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"Number of closed tabs is correct");
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// When the closed tabs are merged the restored tabs are considered to be
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// closed more recently.
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for (let i = 0; i < cData.length; i++) {
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if (i < rClosed.length) {
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is(cData[i].state.entries[0].ID, rClosed[i].state.entries[0].ID,
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"Closed tab entry matches");
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} else {
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is(cData[i].state.entries[0].ID, iClosed[i - rClosed.length].state.entries[0].ID,
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"Closed tab entry matches");
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}
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}
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// Clean up.
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gPrefService.clearUserPref("browser.sessionstore.max_tabs_undo");
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win.close();
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});
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