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<body>
<p>Test simple shared worker sharing cases. Should print several PASS lines followed by DONE.</p>
<div id=result></div>
<script>
function log(message)
{
document.getElementById("result").innerHTML += message + "<br>";
}
if (window.layoutTestController) {
layoutTestController.dumpAsText();
layoutTestController.waitUntilDone();
}
// Load two workers simultaneously, to ensure that simultaneous loads also yield the same instance.
// Loading a worker named "name" tests that workers shutdown when the parent document exits, because other tests also create workers with that same name but with different URLs.
var worker = new SharedWorker('resources/shared-worker-common.js', 'name');
var worker2 = new SharedWorker('resources/shared-worker-common.js', 'name');
try {
new SharedWorker('resources/some-other-url.js', 'name');
log("FAIL: Creating SharedWorker with different URLs but the same name should fail");
} catch (ex) {
log("PASS: Exception thrown when creating SharedWorker with different URLs but same name: " + ex);
}
// Set something in global context in one worker, read value back on other worker, to make sure they are truly shared.
worker.port.postMessage("eval self.foo");
worker.port.onmessage = function(event)
{
log((event.data == "self.foo: undefined" ? "PASS: " : "FAIL: ") + "Accessing new instance of shared worker: " + event.data);
worker.port.postMessage("eval self.foo = 1234");
worker.port.onmessage = function(event)
{
log((event.data == "self.foo = 1234: 1234" ? "PASS: " : "FAIL: ") + "Setting global variable in shared worker: " + event.data);
worker2.port.postMessage("eval self.foo");
worker2.port.onmessage = function(event)
{
log((event.data == "self.foo: 1234" ? "PASS: " : "FAIL: ") + "Accessing simultaneously-loaded instance of shared worker: " + event.data);
testNewWorker();
}
}
}
function testNewWorker()
{
// New name, so should be a distinct worker from the previous one.
var worker3 = new SharedWorker('resources/shared-worker-common.js', 'name2');
worker3.port.postMessage("eval self.foo");
worker3.port.onmessage = function(event)
{
log((event.data == "self.foo: undefined" ? "PASS: " : "FAIL: ") + "Accessing new instance of shared worker: " + event.data);
testAlreadyLoaded();
};
}
function testAlreadyLoaded()
{
// Make sure that referencing a worker that is already loaded yields the same instance.
var worker4 = new SharedWorker('resources/shared-worker-common.js', 'name');
worker4.port.postMessage("eval self.foo");
worker4.port.onmessage = function(event)
{
log((event.data == "self.foo: 1234" ? "PASS: " : "FAIL: ") + "Accessing already-loaded instance of shared worker: " + event.data);
done();
};
}
function done()
{
log("DONE");
if (window.layoutTestController)
layoutTestController.notifyDone();
}
</script>
</body>
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