58 lines
2.6 KiB
HTML
58 lines
2.6 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Selectors Level 4: focus-within</title>
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<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
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<link rel="help" href="https://drafts.csswg.org/selectors-4/#focus-within-pseudo">
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<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#focus-fixup-rule">
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<meta name="assert" content="Checks ':focus-within' pseudo-class after 'display: none'.">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="wrapper">
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<input id="input">
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</div>
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<script>
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"use strict";
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const wrapper = document.getElementById("wrapper");
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const input = document.getElementById("input");
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async_test((t) => {
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input.focus();
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window.requestAnimationFrame(() => {
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t.step(() => assert_true(input.matches(":focus-within"),
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"Check input matches ':focus-within' after being focused"));
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t.step(() => assert_true(wrapper.matches(":focus-within"),
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"Check wrapper matches ':focus-within' after child was focused"));
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input.style.display = "none";
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window.requestAnimationFrame(() => {
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t.step(() => assert_false(input.matches(":focus-within"),
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"Check input doesn't match ':focus-within' after getting 'display: none'"));
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t.step(() => assert_false(wrapper.matches(":focus-within"),
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"Check wrapper doesn't match ':focus-within' after child got 'display: none'"));
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input.style.display = "inline";
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t.done();
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});
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});
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}, "Test ':focus-within' after 'display:none' on input");
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async_test((t) => {
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input.focus();
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window.requestAnimationFrame(() => {
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t.step(() => assert_true(input.matches(":focus-within"),
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"Check input matches ':focus-within' after being focused"));
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t.step(() => assert_true(wrapper.matches(":focus-within"),
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"Check wrapper matches ':focus-within' after child was focused"));
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wrapper.style.display = "none";
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window.requestAnimationFrame(() => {
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t.step(() => assert_false(input.matches(":focus-within"),
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"Check input doesn't match ':focus-within' after parent got 'display: none'"));
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t.step(() => assert_false(wrapper.matches(":focus-within"),
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"Check wrapper doesn't match ':focus-within' after getting 'display: none'"));
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wrapper.style.display = "block";
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t.done();
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});
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});
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}, "Test ':focus-within' after 'display:none' on input's parent");
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</script>
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