| <!DOCTYPE html> |
| |
| <html class="reftest-wait"> |
| |
| <meta charset="UTF-8"> |
| |
| <title>CSS Pseudo-Elements Test: active selection and image</title> |
| |
| <link rel="author" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> |
| <link rel="help" href="https://www.w3.org/TR/css-pseudo-4/#highlight-painting"> |
| <link rel="match" href="../reference/ref-nothing-below.xht"> |
| |
| <meta content="" name="flags"> |
| <meta name="assert" content="This test checks that the associated overlay for image must not cover (or leak) outside the image's content box."> |
| |
| <style> |
| /* |
| Chromium 80+ highlights the |
| top of line box minus |
| content box and the bottom |
| of line box minus content |
| box. |
| Firefox 72+ consistently highlights |
| only the image content box itself. |
| */ |
| |
| div |
| { |
| font-size: 300px; |
| } |
| |
| img::selection |
| { |
| background-color: red; |
| } |
| |
| span#masking |
| { |
| background-color: white; |
| display: inline-block; |
| height: 100px; |
| position: relative; |
| right: 100px; |
| width: 100px; |
| } |
| </style> |
| |
| <script> |
| function startTest() |
| { |
| var targetRange = document.createRange(); |
| /* We first create an empty range */ |
| targetRange.selectNodeContents(document.getElementById("test")); |
| /* Then we set the range boundaries to the children of div#test */ |
| window.getSelection().addRange(targetRange); |
| /* Finally, we now select such range of content */ |
| document.documentElement.className = ""; |
| } |
| </script> |
| |
| <body onload="startTest();"> |
| |
| <p>Test passes if there is nothing below. |
| |
| <div id="test"><img src="support/100x100-red.png" alt="Image download support must be enabled"><span id="masking"></span></div> |