show-picker-being-cv-hidden.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:
- /html/semantics/forms/the-select-element/show-picker-being-cv-hidden.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Test showPicker() being rendered requirement with content-visibility</title>

<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>

<div style="content-visibility: hidden">

    <select id="select">

        <option>Item 1</option>

    </select>

</div>

<script>

promise_test(async t => {

    await test_driver.bless('show picker');

    assert_throws_dom('NotSupportedError', () => { select.showPicker(); });

    // Test that dynamically changing to actually being rendered works.

    await test_driver.bless('show picker');

    select.parentElement.style.contentVisibility = 'visible';

    select.showPicker();

    select.blur();

}, 'select showPicker() throws when content-visibility hidden');

</script>