blob: c6d4fec819f2b988d63674c36565c54707a54f87 [file] [log] [blame]
<body>
<p>Test that workers stay reachable via message ports.
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();
}
// Test that workers stay alive even though they are only reachable via message ports.
var worker = new Worker("resources/worker-messageport.js");
var channel = new MessageChannel();
worker.postMessage("port", [channel.port1]);
worker = 0;
channel.port2.postMessage("ping");
channel.port2.onmessage = function(evt) {
// Other side is running, now force a GC, wait a bit, and send a new message to make sure it arrives.
gc();
setTimeout(testReachable, 100);
}
function testReachable()
{
channel.port2.onmessage = function(evt) {
log("PASS: Worker is reachable.");
done();
}
channel.port2.postMessage("ping");
}
function gc()
{
if (window.GCController)
return GCController.collect();
for (var i = 0; i < 10000; i++) { // force garbage collection (FF requires about 9K allocations before a collect)
var s = new String("abc");
}
}
function done()
{
log("DONE");
if (window.testRunner)
testRunner.notifyDone();
}
</script>
</body>
</html>