scroll-after-preventDefault.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /navigation-api/scroll-behavior/scroll-after-preventDefault.html - WPT Dashboard Interop Dashboard

<!doctype html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="../navigation-methods/return-value/resources/helpers.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 assertBothRejectDOM(t, navigation.navigate("#frag"), "AbortError");

}, "scroll: scroll() should throw after preventDefault");

</script>

</body>