gecko-dev/dom/workers/test/browser_bug1104623.js

54 строки
1.6 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
function whenBrowserLoaded(aBrowser, aCallback) {
aBrowser.addEventListener("load", function onLoad(event) {
if (event.target == aBrowser.contentDocument) {
aBrowser.removeEventListener("load", onLoad, true);
executeSoon(aCallback);
}
}, true);
}
function test() {
waitForExplicitFinish();
let testURL = "chrome://mochitests/content/chrome/dom/base/test/file_empty.html";
let tab = gBrowser.addTab(testURL);
gBrowser.selectedTab = tab;
whenBrowserLoaded(tab.linkedBrowser, function() {
let doc = tab.linkedBrowser.contentDocument;
let contentWin = tab.linkedBrowser.contentWindow;
let blob = new contentWin.Blob(['onmessage = function() { postMessage(true); }']);
ok(blob, "Blob has been created");
let blobURL = contentWin.URL.createObjectURL(blob);
ok(blobURL, "Blob URL has been created");
let worker = new contentWin.Worker(blobURL);
ok(worker, "Worker has been created");
worker.onerror = function(error) {
ok(false, "Worker.onerror:" + error.message);
worker.terminate();
contentWin.URL.revokeObjectURL(blob);
gBrowser.removeTab(tab);
executeSoon(finish);
}
worker.onmessage = function() {
ok(true, "Worker.onmessage");
worker.terminate();
contentWin.URL.revokeObjectURL(blob);
gBrowser.removeTab(tab);
executeSoon(finish);
}
worker.postMessage(true);
});
}