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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<div style="height: 1000px; width: 1000px;"></div>
<div id="frag"></div>
<script>
promise_test(async t => {
// Wait for after the load event so that the navigation doesn't get converted
// into a replace navigation.
await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
navigation.addEventListener("navigate", t.step_func(e => {
e.intercept();
e.preventDefault();
assert_throws_dom("InvalidStateError", () => e.scroll());
}), { once : true });
await promise_rejects_dom(t, "AbortError", navigation.navigate("#frag").finished);
}, "scroll: scroll() should throw after preventDefault");
</script>
</body>
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