diff options
Diffstat (limited to 'browser/components/sessionstore/test/browser_merge_closed_tabs.js')
-rw-r--r-- | browser/components/sessionstore/test/browser_merge_closed_tabs.js | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_merge_closed_tabs.js b/browser/components/sessionstore/test/browser_merge_closed_tabs.js new file mode 100644 index 000000000..b26e86f22 --- /dev/null +++ b/browser/components/sessionstore/test/browser_merge_closed_tabs.js @@ -0,0 +1,71 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +/** + * This test ensures that closed tabs are merged when restoring + * a window state without overwriting tabs. + */ +add_task(function () { + const initialState = { + windows: [{ + tabs: [ + { entries: [{ url: "about:blank" }] } + ], + _closedTabs: [ + { state: { entries: [{ ID: 1000, url: "about:blank" }]} }, + { state: { entries: [{ ID: 1001, url: "about:blank" }]} } + ] + }] + } + + const restoreState = { + windows: [{ + tabs: [ + { entries: [{ url: "about:robots" }] } + ], + _closedTabs: [ + { state: { entries: [{ ID: 1002, url: "about:robots" }]} }, + { state: { entries: [{ ID: 1003, url: "about:robots" }]} }, + { state: { entries: [{ ID: 1004, url: "about:robots" }]} } + ] + }] + } + + const maxTabsUndo = 4; + gPrefService.setIntPref("browser.sessionstore.max_tabs_undo", maxTabsUndo); + + // Open a new window and restore it to an initial state. + let win = yield promiseNewWindowLoaded({private: false}); + SessionStore.setWindowState(win, JSON.stringify(initialState), true); + is(SessionStore.getClosedTabCount(win), 2, "2 closed tabs after restoring initial state"); + + // Restore the new state but do not overwrite existing tabs (this should + // cause the closed tabs to be merged). + SessionStore.setWindowState(win, JSON.stringify(restoreState), false); + + // Verify the windows closed tab data is correct. + let iClosed = initialState.windows[0]._closedTabs; + let rClosed = restoreState.windows[0]._closedTabs; + let cData = JSON.parse(SessionStore.getClosedTabData(win)); + + is(cData.length, Math.min(iClosed.length + rClosed.length, maxTabsUndo), + "Number of closed tabs is correct"); + + // When the closed tabs are merged the restored tabs are considered to be + // closed more recently. + for (let i = 0; i < cData.length; i++) { + if (i < rClosed.length) { + is(cData[i].state.entries[0].ID, rClosed[i].state.entries[0].ID, + "Closed tab entry matches"); + } else { + is(cData[i].state.entries[0].ID, iClosed[i - rClosed.length].state.entries[0].ID, + "Closed tab entry matches"); + } + } + + // Clean up. + gPrefService.clearUserPref("browser.sessionstore.max_tabs_undo"); + yield BrowserTestUtils.closeWindow(win); +}); + + |