highlight-pseudo-computed.html (1726B)
1 <!doctype html> 2 <meta charset="utf-8"> 3 <title>CSS ::highlight Pseudo-Element Test: ::highlight selector getComputedStyle</title> 4 <link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <style> 8 #target::highlight(foo) { 9 background-color: green; 10 color: lime; 11 } 12 13 #target::highlight(bar) { 14 background-color: cyan; 15 color: fuchsia; 16 } 17 </style> 18 <div id="target"></div> 19 <script> 20 let highlightPseudo = "::highlight(foo)"; 21 test(() => { 22 let style = getComputedStyle(target, highlightPseudo); 23 assert_equals(style.backgroundColor, "rgb(0, 128, 0)", "Background color is green."); 24 assert_equals(style.color, "rgb(0, 255, 0)", "Color is lime."); 25 }, `getComputedStyle() for ${highlightPseudo}`); 26 27 highlightPseudo = "::highlight(bar)"; 28 test(() => { 29 let style = getComputedStyle(target, highlightPseudo); 30 assert_equals(style.backgroundColor, "rgb(0, 255, 255)", "Background color is cyan."); 31 assert_equals(style.color, "rgb(255, 0, 255)", "Color is fuchsia."); 32 }, `Different getComputedStyle() for ${highlightPseudo} and same element`); 33 34 for (const illHighlightPseudo of ["::highlight(foo):", "::highlight(foo))", "::highlight(foo)(", "::highlight", "::highlight(foo)(foo)", "::highlight(foo)()", ":::highlight(foo)", "::highlight(foo).", "::highlight(foo,bar)", "::highlight(foo bar)"]) { 35 test(() => { 36 let style = getComputedStyle(target, illHighlightPseudo); 37 assert_equals(style.length, 0, "Invalid pseudo identifiers should not return a style."); 38 }, `getComputedStyle() for ${illHighlightPseudo} should not return a style.`); 39 } 40 </script>