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Test Info: Warnings

  • This test has a WPT meta file that expects 1 subtest issues.
  • This WPT test may be referenced by the following Test IDs:
<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div style="height: 1000px; width: 1000px;"></div>
<div id="frag"></div>
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));
assert_equals(window.scrollY, 0);
history.scrollRestoration = "manual";
await navigation.navigate("#frag").finished;
assert_not_equals(window.scrollY, 0);
let intercept_resolve;
navigation.onnavigate = e => {
e.intercept({ handler: () => new Promise(r => intercept_resolve = r),
scroll: "after-transition" });
let back_promises = navigation.back();
await back_promises.committed;
history.scrollRestoration = "auto";
await back_promises.finished;
assert_equals(window.scrollY, 0);
}, "scroll: after-transition should ignore history.scrollRestoration even if it changes in the middle of the navigation");