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<html>
<head>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
</head>
<body>
<script>
promise_test(async (test) => {
const registration = await navigator.serviceWorker.register("postMessage-client-worker.js", { scope : 'resources' });
activeWorker = registration.active;
if (activeWorker)
return;
activeWorker = registration.installing;
await new Promise(resolve => {
activeWorker.addEventListener('statechange', () => {
if (activeWorker.state === "activated")
resolve();
});
});
}, "Register service worker");
function with_iframe(test, url) {
return new Promise(function(resolve, reject) {
test.step_timeout(() => reject("with_iframe timed out"), 2000);
var frame = document.createElement('iframe');
frame.className = 'test-iframe';
frame.src = url;
frame.onload = function() { resolve(frame); };
document.body.appendChild(frame);
});
}
promise_test(async (test) => {
const frame = await with_iframe(test, 'resources/controlled-frame-postMessage.html');
let counter = 0;
while (counter++ < 100 && frame.contentWindow.messageData == undefined)
await new Promise(resolve => test.step_timeout(resolve, 50));
assert_equals(frame.contentWindow.messageData, 0);
frame.remove();
}, "Verify frame gets early messages if setting synchronously message event listener");
promise_test(async (test) => {
const frame = await with_iframe(test, 'resources/controlled-frame-postMessage.html?repeatMessages');
let counter = 0;
while (counter++ < 100 && frame.contentWindow.messageData == undefined)
await new Promise(resolve => test.step_timeout(resolve, 50));
assert_not_equals(frame.contentWindow.messageData, 0);
frame.remove();
}, "Verify frame does not get all messages if not setting event listener early");
promise_test(async (test) => {
const frame = await with_iframe(test, 'resources/controlled-frame-postMessage.html?repeatMessages&listener');
let counter = 0;
while (counter++ < 100 && frame.contentWindow.messageData.length < 5)
await new Promise(resolve => test.step_timeout(resolve, 50));
assert_less_than(counter, 100);
data = frame.contentWindow.messageData;
for (let cptr = 1; cptr < data.length; cptr++)
assert_true(data[cptr - 1] < data[cptr]);
frame.remove();
}, "Verify frame does get messages in order");
</script>
</body>
</html>
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