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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>
<body>
<script>
setup(() => assertSpeculationRulesIsSupported());
function runTest(test_file, expectation, description) {
promise_test(async t => {
const uid = token();
// Run test in a new window for test isolation.
window.open(`${test_file}?uid=${uid}`, '_blank', 'noopener');
// Wait until the prerendered page sends the result.
const bc = new PrerenderChannel('result', uid);
t.add_cleanup(() => {
new PrerenderChannel('close', uid).postMessage('close');
})
const result = await new Promise(r => bc.addEventListener('message', e => r(e.data)));
assert_equals(result, expectation);
}, description);
}
// Test that a page opens a window during prerendering.
runTest(
'resources/window-open-during-prerendering.html',
'failed to open',
'window.open() should fail during prerendering');
// Test that a page opens a window in the prerenderingchange event.
runTest(
'resources/window-open-in-prerenderingchange.html',
'opened',
'window.open() should succeed in the prerenderingchange event');
</script>
</body>
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