36 lines
1.2 KiB
HTML
36 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<title>Prerendering cannot invoke the prompt generated by the
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beforeunload event</title>
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<meta name="timeout" content="long">
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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="/common/utils.js"></script>
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<script src="../resources/utils.js"></script>
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<script src="resources/utils.js"></script>
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<body>
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<script>
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setup(() => assertSpeculationRulesIsSupported());
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promise_test(async t => {
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const uid = token();
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const bc = new PrerenderChannel('prerender-channel', uid);
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t.add_cleanup(_ => bc.close());
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const gotMessage = new Promise(resolve => {
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bc.addEventListener('message', e => {
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resolve(e.data);
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}, {
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once: true
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});
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});
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// Start prerendering a page that attempts to invoke
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// the prompt generated by the beforeunload event.
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// It is activation-gated and expects to fail.
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startPrerendering(`resources/prompt-by-before-unload.html?uid=${uid}`);
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const result = await gotMessage;
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assert_equals(result,
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'unloaded without the prompt by beforeunload.');
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}, 'Prerendering cannot invoke the prompt by the beforeunload event.');
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</script>
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