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Test Info:

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/common/utils.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.sub.js"></script>
<body>
<script>
setup(() => assertSpeculationRulesIsSupported());
promise_test(async t => {
let urls = getPrefetchUrlList(2);
let a = document.createElement('a');
a.className = 'prefetch-me';
a.href = urls[1];
a.textContent = 'prefetch me!';
document.body.appendChild(a);
t.add_cleanup(() => a.remove());
insertSpeculationRules({prefetch: [
{urls: [urls[0]]},
{where: {selector_matches: '.prefetch-me'}, eagerness: 'immediate'},
]});
await new Promise(resolve => t.step_timeout(resolve, 2000));
let wasPrefetched = urls.map(isUrlPrefetched);
assert_true(!!(await wasPrefetched[0]), 'implicit list rule should have worked');
assert_true(!!(await wasPrefetched[1]), 'implicit document rule should have worked');
}, 'rules should be accepted without an explicit source');
</script>
</body>