blob: 5cf9403f4180bce233deb77a76bd6e0c2241aaae [file] [log] [blame]
<body>
<p>Test that pages and workers can send MessagePorts to one another.
Should print "DONE" when done.</p>
<div id=result></div>
<script>
function log(message)
{
document.getElementById("result").innerHTML += message + "<br>";
}
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.waitUntilDone();
}
var worker = new Worker("resources/worker-messageport.js");
var channel = new MessageChannel();
// Send messages with and without ports to the worker to make sure it gets them.
worker.postMessage("noport");
worker.onmessage = function(evt) {
log(evt.data);
worker.postMessage("port", [channel.port1]);
worker.onmessage = function(evt) {
log(evt.data);
}
};
// Send a message on the new port to make sure it gets to the worker.
channel.port2.postMessage("ping");
// Wait for the response.
channel.port2.onmessage = function(evt) {
if (evt.data == "pong") {
log("PASS: Received response from Worker via MessagePort");
worker.onmessage = awaitPortFromWorker;
worker.postMessage("getport");
} else {
log("FAIL: Received unknown event: " + evt.data);
}
}
channel.port2.start();
// Invoked once the first batch of tests are done, to test sending from the worker.
function awaitPortFromWorker(evt)
{
if (evt.data == "port") {
if (!evt.ports) {
log("FAIL: Did not get port from worker");
} else if (evt.ports.length != 1) {
log("FAIL: Got the wrong number of ports from worker: " + evt.ports.length);
} else {
log("PASS: Got port from worker");
try {
// Missing parameter, should throw.
evt.ports[0].postMessage();
log("FAIL: Calling MessagePort.postMessage() without parameter did not throw.");
} catch (e) {
log("PASS: Calling MessagePort.postMessage() without parameter threw exception: " + e);
}
evt.ports[0].postMessage("ping");
evt.ports[0].onmessage = function(evt) {
if (evt.data == "pong") {
log("PASS: Received final response from worker");
} else {
log("FAIL: Got unexpected response: " + evt.data);
}
startSpamTest();
}
evt.ports[0].start();
}
} else {
log(evt.data);
}
}
function startSpamTest()
{
var channel = new MessageChannel();
worker.onmessage = function () { gotSpam(channel.port1); }
worker.postMessage("spam", [channel.port2]);
}
function gotSpam(port)
{
var spamCount = 0;
port.onmessage = function(evt) {
if (evt.data != spamCount)
log("FAIL: Got out of order message: " + spamCount);
spamCount++;
if (spamCount == 1000) {
log("PASS: Got 1000 messages");
done();
}
}
}
function done()
{
log("DONE");
if (window.testRunner)
testRunner.notifyDone();
}
</script>
</body>
</html>