The Tor Browser / file comparison
comparison: browser/components/sessionstore/test/browser_attributes.js
browser/components/sessionstore/test/browser_attributes.js
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 function test() { | |
| 5 TestRunner.run(); | |
| 6 } | |
| 7 | |
| 8 /** | |
| 9 * This test makes sure that we correctly preserve tab attributes when storing | |
| 10 * and restoring tabs. It also ensures that we skip special attributes like | |
| 11 * 'image' and 'pending' that need to be handled differently or internally. | |
| 12 */ | |
| 13 | |
| 14 const PREF = "browser.sessionstore.restore_on_demand"; | |
| 15 | |
| 16 function runTests() { | |
| 17 Services.prefs.setBoolPref(PREF, true) | |
| 18 registerCleanupFunction(() => Services.prefs.clearUserPref(PREF)); | |
| 19 | |
| 20 // Add a new tab with a nice icon. | |
| 21 let tab = gBrowser.addTab("about:robots"); | |
| 22 yield whenBrowserLoaded(tab.linkedBrowser); | |
| 23 | |
| 24 // Check that the tab has an 'image' attribute. | |
| 25 ok(tab.hasAttribute("image"), "tab.image exists"); | |
| 26 | |
| 27 // Make sure we do not persist 'image' attributes. | |
| 28 ss.persistTabAttribute("image"); | |
| 29 let {attributes} = JSON.parse(ss.getTabState(tab)); | |
| 30 ok(!("image" in attributes), "'image' attribute not saved"); | |
| 31 ok(!("custom" in attributes), "'custom' attribute not saved"); | |
| 32 | |
| 33 // Test persisting a custom attribute. | |
| 34 tab.setAttribute("custom", "foobar"); | |
| 35 ss.persistTabAttribute("custom"); | |
| 36 | |
| 37 let {attributes} = JSON.parse(ss.getTabState(tab)); | |
| 38 is(attributes.custom, "foobar", "'custom' attribute is correct"); | |
| 39 | |
| 40 // Make sure we're backwards compatible and restore old 'image' attributes. | |
| 41 let state = { | |
| 42 entries: [{url: "about:mozilla"}], | |
| 43 attributes: {custom: "foobaz", image: gBrowser.getIcon(tab)} | |
| 44 }; | |
| 45 | |
| 46 // Prepare a pending tab waiting to be restored. | |
| 47 whenTabRestoring(tab); | |
| 48 yield ss.setTabState(tab, JSON.stringify(state)); | |
| 49 | |
| 50 ok(tab.hasAttribute("pending"), "tab is pending"); | |
| 51 is(gBrowser.getIcon(tab), state.attributes.image, "tab has correct icon"); | |
| 52 | |
| 53 // Let the pending tab load. | |
| 54 gBrowser.selectedTab = tab; | |
| 55 yield whenTabRestored(tab); | |
| 56 | |
| 57 // Ensure no 'image' or 'pending' attributes are stored. | |
| 58 let {attributes} = JSON.parse(ss.getTabState(tab)); | |
| 59 ok(!("image" in attributes), "'image' attribute not saved"); | |
| 60 ok(!("pending" in attributes), "'pending' attribute not saved"); | |
| 61 is(attributes.custom, "foobaz", "'custom' attribute is correct"); | |
| 62 | |
| 63 // Clean up. | |
| 64 gBrowser.removeTab(tab); | |
| 65 } | |
| 66 | |
| 67 function whenTabRestoring(tab) { | |
| 68 tab.addEventListener("SSTabRestoring", function onRestoring() { | |
| 69 tab.removeEventListener("SSTabRestoring", onRestoring); | |
| 70 executeSoon(next); | |
| 71 }); | |
| 72 } |
