Source code

Revision control

Copy as Markdown

Other Tools

Test Info: Warnings

<!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));
assert_equals(window.scrollY, 0);
await navigation.navigate("#frag").finished;
assert_not_equals(window.scrollY, 0);
navigation.onnavigate = t.step_func(e => {
e.intercept({
scroll: "after-transition",
handler: t.step_func(() => {
assert_not_equals(window.scrollY, 0);
e.scroll();
assert_equals(window.scrollY, 0);
})
});
});
await navigation.back().finished;
assert_equals(window.scrollY, 0);
}, "scroll: scroll() should preempt after-transition");
</script>
</body>