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Test Info:
/*
*/
const TEST_PATH =
TEST_DOMAIN + "browser/browser/components/originattributes/test/browser/";
const TEST_PAGE = TEST_PATH + "file_broadcastChannel.html";
// IsolationTestTools flushes all preferences
// hence we explicitly pref off https-first mode
async function prefOffHttpsFirstMode() {
await SpecialPowers.pushPrefEnv({
set: [["dom.security.https_first", false]],
});
}
async function doTest(aBrowser) {
let response = await SpecialPowers.spawn(aBrowser, [], async function () {
let displayItem = content.document.getElementById("display");
// If there is nothing in the 'display', we will try to send a message to
// the broadcast channel and wait until this message has been delivered.
// The way that how we make sure the message is delivered is based on an
// iframe which will reply everything it receives from the broadcast channel
// to the current window through the postMessage. So, we can know that the
// boradcast message is sent successfully when the window receives a message
// from the iframe.
if (displayItem.innerHTML === "") {
let data = Math.random().toString();
let receivedData = await new Promise(resolve => {
let listenFunc = event => {
content.removeEventListener("message", listenFunc);
resolve(event.data);
};
let bc = new content.BroadcastChannel("testBroadcastChannel");
content.addEventListener("message", listenFunc);
bc.postMessage(data);
});
Assert.equal(receivedData, data, "The value should be the same.");
return receivedData;
}
return displayItem.innerHTML;
});
return response;
}
IsolationTestTools.runTests(TEST_PAGE, doTest, null, prefOffHttpsFirstMode);