The Tor Browser / file comparison
comparison: browser/components/sessionstore/test/browser_500328.js
browser/components/sessionstore/test/browser_500328.js
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 function checkState(tab) { | |
| 6 // Go back and then forward, and make sure that the state objects received | |
| 7 // from the popState event are as we expect them to be. | |
| 8 // | |
| 9 // We also add a node to the document's body when after going back and make | |
| 10 // sure it's still there after we go forward -- this is to test that the two | |
| 11 // history entries correspond to the same document. | |
| 12 | |
| 13 let popStateCount = 0; | |
| 14 | |
| 15 tab.linkedBrowser.addEventListener('popstate', function(aEvent) { | |
| 16 let contentWindow = tab.linkedBrowser.contentWindow; | |
| 17 if (popStateCount == 0) { | |
| 18 popStateCount++; | |
| 19 | |
| 20 is(tab.linkedBrowser.contentWindow.testState, 'foo', | |
| 21 'testState after going back'); | |
| 22 | |
| 23 ok(aEvent.state, "Event should have a state property."); | |
| 24 is(JSON.stringify(tab.linkedBrowser.contentWindow.history.state), JSON.stringify({obj1:1}), | |
| 25 "first popstate object."); | |
| 26 | |
| 27 // Add a node with id "new-elem" to the document. | |
| 28 let doc = contentWindow.document; | |
| 29 ok(!doc.getElementById("new-elem"), | |
| 30 "doc shouldn't contain new-elem before we add it."); | |
| 31 let elem = doc.createElement("div"); | |
| 32 elem.id = "new-elem"; | |
| 33 doc.body.appendChild(elem); | |
| 34 | |
| 35 contentWindow.history.forward(); | |
| 36 } | |
| 37 else if (popStateCount == 1) { | |
| 38 popStateCount++; | |
| 39 is(aEvent.state.obj3.toString(), '/^a$/', "second popstate object."); | |
| 40 | |
| 41 // Make sure that the new-elem node is present in the document. If it's | |
| 42 // not, then this history entry has a different doc identifier than the | |
| 43 // previous entry, which is bad. | |
| 44 let doc = contentWindow.document; | |
| 45 let newElem = doc.getElementById("new-elem"); | |
| 46 ok(newElem, "doc should contain new-elem."); | |
| 47 newElem.parentNode.removeChild(newElem); | |
| 48 ok(!doc.getElementById("new-elem"), "new-elem should be removed."); | |
| 49 | |
| 50 // Clean up after ourselves and finish the test. | |
| 51 tab.linkedBrowser.removeEventListener("popstate", arguments.callee, true); | |
| 52 gBrowser.removeTab(tab); | |
| 53 finish(); | |
| 54 } | |
| 55 }, true); | |
| 56 | |
| 57 // Set some state in the page's window. When we go back(), the page should | |
| 58 // be retrieved from bfcache, and this state should still be there. | |
| 59 tab.linkedBrowser.contentWindow.testState = 'foo'; | |
| 60 | |
| 61 // Now go back. This should trigger the popstate event handler above. | |
| 62 tab.linkedBrowser.contentWindow.history.back(); | |
| 63 } | |
| 64 | |
| 65 function test() { | |
| 66 // Tests session restore functionality of history.pushState and | |
| 67 // history.replaceState(). (Bug 500328) | |
| 68 | |
| 69 waitForExplicitFinish(); | |
| 70 | |
| 71 // We open a new blank window, let it load, and then load in | |
| 72 // http://example.com. We need to load the blank window first, otherwise the | |
| 73 // docshell gets confused and doesn't have a current history entry. | |
| 74 let tab = gBrowser.addTab("about:blank"); | |
| 75 let browser = tab.linkedBrowser; | |
| 76 | |
| 77 whenBrowserLoaded(browser, function() { | |
| 78 browser.loadURI("http://example.com", null, null); | |
| 79 | |
| 80 whenBrowserLoaded(browser, function() { | |
| 81 // After these push/replaceState calls, the window should have three | |
| 82 // history entries: | |
| 83 // testURL (state object: null) <-- oldest | |
| 84 // testURL (state object: {obj1:1}) | |
| 85 // testURL?page2 (state object: {obj3:/^a$/}) <-- newest | |
| 86 let contentWindow = tab.linkedBrowser.contentWindow; | |
| 87 let history = contentWindow.history; | |
| 88 history.pushState({obj1:1}, "title-obj1"); | |
| 89 history.pushState({obj2:2}, "title-obj2", "?page2"); | |
| 90 history.replaceState({obj3:/^a$/}, "title-obj3"); | |
| 91 | |
| 92 SyncHandlers.get(tab.linkedBrowser).flush(); | |
| 93 let state = ss.getTabState(tab); | |
| 94 gBrowser.removeTab(tab); | |
| 95 | |
| 96 // Restore the state into a new tab. Things don't work well when we | |
| 97 // restore into the old tab, but that's not a real use case anyway. | |
| 98 let tab2 = gBrowser.addTab("about:blank"); | |
| 99 ss.setTabState(tab2, state, true); | |
| 100 | |
| 101 // Run checkState() once the tab finishes loading its restored state. | |
| 102 whenTabRestored(tab2, function() { | |
| 103 SimpleTest.executeSoon(function() { | |
| 104 checkState(tab2); | |
| 105 }); | |
| 106 }); | |
| 107 | |
| 108 }); | |
| 109 }); | |
| 110 } |
