35 lines
1.1 KiB
HTML
35 lines
1.1 KiB
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="utils.js"></script>
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<script src="deferred-promise-utils.js"></script>
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<script>
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const params = new URLSearchParams(location.search);
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// The main test page (restriction-broadcast-channel.html) loads the initiator
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// page, then the initiator page will prerender itself with the `prerendering`
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// parameter.
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const isPrerendering = params.has('prerendering');
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if (!isPrerendering) {
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loadInitiatorPage();
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} else {
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const prerenderEventCollector = new PrerenderEventCollector();
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// Create separate channels as a sender channel cannot receive a message sent
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// by itself.
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const sender = new BroadcastChannel('test');
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const receiver = new BroadcastChannel('test');
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const promise = new Promise(resolve => {
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receiver.onmessage = e => {
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prerenderEventCollector.addEvent(`received message: ${e.data}`);
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resolve();
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};
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});
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sender.postMessage('hello');
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prerenderEventCollector.start(promise, 'BroadcastChannel');
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}
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</script>
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