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<!DOCTYPE html>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.js"></script>
<body>
<script>
setup(() => assertSpeculationRulesIsSupported());
function runTest(test_file, expectation, description) {
promise_test(async t => {
const uid = token();
const bc = new PrerenderChannel('prerender-channel', uid);
t.add_cleanup(_ => bc.close());
const gotMessage = new Promise(resolve => {
bc.addEventListener('message', e => {
resolve(e.data);
}, {
once: true
});
});
// Open a new window to test the message box.
window.open(`${test_file}&uid=${uid}`, '_blank', 'noopener');
// Wait for the message from the prerendering page.
assert_equals(await gotMessage, expectation);
}, description);
}
// Test that a page invokes the alert modal during prerendering.
runTest(
'resources/message-boxes.html?alert',
'no block',
'alert() does not display the modal and returns immediately');
// Test that a page invokes the confirm modal during prerendering.
runTest(
'resources/message-boxes.html?confirm',
'the return value is no',
'confirm() does not display the modal and returns immediately');
// Test that a page invokes the prompt modal during prerendering.
runTest(
'resources/message-boxes.html?prompt',
'the return value is null',
'prompt() does not display the modal and returns immediately');
</script>
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