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Test Info: Warnings
- This test has a WPT meta file that expects 6 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /scroll-to-text-fragment/force-load-at-top.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>ForceLoadAtTop blocks scroll on load</title>
<meta charset=utf-8>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/common/utils.js"></script>
<script src="stash.js"></script>
<!--See comment in scroll-to-text-fragment.html for why this test has the
structure it has -->
<script>
let test_cases = [
{
fragment: '#:~:text=target',
type: 'text fragment'
},
{
fragment: '#target:~:text=target',
type: 'text fragment with element fallback'
},
{
fragment: '#target',
type: 'element fragment'
},
{
fragment: '#history',
type: 'history scroll restoration'
},
];
let document_policy_value = [
'force-load-at-top',
'no-force-load-at-top'
];
for (const value of document_policy_value) {
// If no-force-load-at-top is specified we expect to allow scrolling,
// otherwise scroll on load should be blocked.
const scroll_expected = value == 'no-force-load-at-top';
const block_verb = scroll_expected ? "must not" : "must";
for (const test_case of test_cases) {
promise_test(t => new Promise((resolve, reject) => {
let key = token();
test_driver.bless('Open a URL with a text fragment directive', () => {
window.open(`${value}-target.html?key=${key}${test_case.fragment}`, '_blank', 'noopener');
});
fetchResults(key, resolve, reject);
}).then(data => {
assert_equals(data.scrolled, scroll_expected);
}), `${value} ${block_verb} block scroll on load from ${test_case.type}.`);
}
}
</script>