michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/
michael@0:  */
michael@0: 
michael@0: // Check that Dead Objects do not break the Web/Browser Consoles. See bug 883649.
michael@0: // This test does:
michael@0: // - opens a new tab,
michael@0: // - opens the Browser Console,
michael@0: // - stores a reference to the content document of the tab on the chrome window object,
michael@0: // - closes the tab,
michael@0: // - tries to use the object that was pointing to the now-defunct content
michael@0: // document. This is the dead object.
michael@0: 
michael@0: const TEST_URI = "data:text/html;charset=utf8,<p>dead objects!";
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   let hud = null;
michael@0: 
michael@0:   registerCleanupFunction(() => {
michael@0:     Services.prefs.clearUserPref("devtools.chrome.enabled");
michael@0:   });
michael@0: 
michael@0:   Task.spawn(runner).then(finishTest);
michael@0: 
michael@0:   function* runner() {
michael@0:     Services.prefs.setBoolPref("devtools.chrome.enabled", true);
michael@0:     let {tab} = yield loadTab(TEST_URI);
michael@0: 
michael@0:     info("open the browser console");
michael@0: 
michael@0:     hud = yield HUDService.toggleBrowserConsole();
michael@0:     ok(hud, "browser console opened");
michael@0: 
michael@0:     hud.jsterm.clearOutput();
michael@0: 
michael@0:     // Add the reference to the content document.
michael@0: 
michael@0:     yield execute("Cu = Components.utils;" +
michael@0:                   "Cu.import('resource://gre/modules/Services.jsm');" +
michael@0:                   "chromeWindow = Services.wm.getMostRecentWindow('navigator:browser');" +
michael@0:                   "foobarzTezt = chromeWindow.content.document;" +
michael@0:                   "delete chromeWindow");
michael@0: 
michael@0:     gBrowser.removeCurrentTab();
michael@0: 
michael@0:     let msg = yield execute("foobarzTezt");
michael@0: 
michael@0:     isnot(hud.outputNode.textContent.indexOf("[object DeadObject]"), -1,
michael@0:           "dead object found");
michael@0: 
michael@0:     hud.jsterm.setInputValue("foobarzTezt");
michael@0: 
michael@0:     for (let c of ".hello") {
michael@0:       EventUtils.synthesizeKey(c, {}, hud.iframeWindow);
michael@0:     }
michael@0: 
michael@0:     yield execute();
michael@0: 
michael@0:     isnot(hud.outputNode.textContent.indexOf("can't access dead object"), -1,
michael@0:           "'cannot access dead object' message found");
michael@0: 
michael@0:     // Click the second execute output.
michael@0:     let clickable = msg.querySelector("a");
michael@0:     ok(clickable, "clickable object found");
michael@0:     isnot(clickable.textContent.indexOf("[object DeadObject]"), -1,
michael@0:           "message text check");
michael@0: 
michael@0:     msg.scrollIntoView();
michael@0: 
michael@0:     executeSoon(() => {
michael@0:       EventUtils.synthesizeMouseAtCenter(clickable, {}, hud.iframeWindow);
michael@0:     });
michael@0: 
michael@0:     yield hud.jsterm.once("variablesview-fetched");
michael@0:     ok(true, "variables view fetched");
michael@0: 
michael@0:     msg = yield execute("delete window.foobarzTezt; 2013-26");
michael@0: 
michael@0:     isnot(msg.textContent.indexOf("1987"), -1, "result message found");
michael@0:   }
michael@0: 
michael@0:   function execute(str) {
michael@0:     let deferred = promise.defer();
michael@0:     hud.jsterm.execute(str, (msg) => {
michael@0:       deferred.resolve(msg);
michael@0:     });
michael@0:     return deferred.promise;
michael@0:   }
michael@0: }