| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Basic matching behavior of :has pseudo class</title> |
| <link rel="author" title="Byungwoo Lee" href="mailto:blee@igalia.com"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://drafts.csswg.org/selectors/#relational"> |
| |
| <main id=main> |
| <div id=a class="ancestor"> |
| <div id=b class="parent ancestor"> |
| <div id=c class="sibling descendant"> |
| <div id=d class="descendant"></div> |
| </div> |
| <div id=e class="target descendant"></div> |
| </div> |
| <div id=f class="parent ancestor"> |
| <div id=g class="target descendant"></div> |
| </div> |
| <div id=h class="parent ancestor"> |
| <div id=i class="target descendant"></div> |
| <div id=j class="sibling descendant"> |
| <div id=k class="descendant"></div> |
| </div> |
| </div> |
| </div> |
| </main> |
| |
| <script> |
| function formatElements(elements) { |
| return elements.map(e => e.id).sort().join(); |
| } |
| |
| // Test that |selector| returns the given elements in #main. |
| function test_selector_all(selector, expected) { |
| test(function() { |
| let actual = Array.from(main.querySelectorAll(selector)); |
| assert_equals(formatElements(actual), formatElements(expected)); |
| }, `${selector} matches expected elements`); |
| } |
| |
| // Test that |selector| returns the given element in #main. |
| function test_selector(selector, expected) { |
| test(function() { |
| assert_equals(main.querySelector(selector), expected); |
| }, `${selector} matches expected element`); |
| } |
| |
| // Test that |selector| returns the given closest element. |
| function test_closest(node, selector, expected) { |
| test(function() { |
| assert_equals(node.closest(selector), expected); |
| }, `closest(${selector}) returns expected element`); |
| } |
| |
| // Test that |selector| returns matching status. |
| function test_matches(node, selector, expected) { |
| test(function() { |
| assert_equals(node.matches(selector), expected); |
| }, `${selector} matches expectedly`); |
| } |
| |
| test_selector_all(':has(#a)', []); |
| test_selector_all(':has(.ancestor)', [a]); |
| test_selector_all(':has(.target)', [a, b, f, h]); |
| test_selector_all(':has(.descendant)', [a, b, c, f, h, j]); |
| test_selector_all('.parent:has(.target)', [b, f, h]); |
| test_selector_all(':has(.sibling ~ .target)', [a, b]); |
| test_selector_all('.parent:has(.sibling ~ .target)', [b]); |
| test_selector_all(':has(:is(.target ~ .sibling .descendant))', [a, h, j]); |
| test_selector_all('.parent:has(:is(.target ~ .sibling .descendant))', [h]); |
| test_selector_all('.sibling:has(.descendant) ~ .target', [e]); |
| test_selector_all(':has(.sibling:has(.descendant) ~ .target)', [a, b]); |
| test_selector_all( |
| ':has(.sibling:has(.descendant) ~ .target) ~ .parent > .descendant', |
| [g, i, j]); |
| test_selector_all(':has(> .parent)', [a]); |
| test_selector_all(':has(> .target)', [b, f, h]); |
| test_selector_all(':has(> .parent, > .target)', [a, b, f, h]); |
| test_selector_all(':has(+ #h)', [f]); |
| test_selector_all('.parent:has(~ #h)', [b, f]); |
| test_selector('.sibling:has(.descendant)', c); |
| test_closest(k, '.ancestor:has(.descendant)', h); |
| test_matches(h, ':has(.target ~ .sibling .descendant)', true); |
| </script> |