| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSSOM: getComputedStyle cross-doc properly reflects media query changes</title> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle"> |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <iframe id="frm" style="width: 100px; height: 100px"></iframe> |
| <script> |
| test(function() { |
| let frm = document.getElementById('frm'); |
| let frmDoc = frm.contentWindow.document; |
| frmDoc.open(); |
| frmDoc.write('<style>body { color: red } @media all and (min-width: 101px) { body { color: green } }</style><body>Should be green</body>'); |
| frmDoc.close(); |
| |
| document.body.offsetTop; |
| |
| assert_equals( |
| getComputedStyle(frmDoc.body).color, |
| "rgb(255, 0, 0)", |
| "Initial color should be red" |
| ); |
| |
| frm.style.width = "200px"; |
| |
| assert_equals( |
| getComputedStyle(frmDoc.body).color, |
| "rgb(0, 128, 0)", |
| "style should have been updated to account for media query changes" |
| ); |
| }, "getComputedStyle cross-doc properly reflects media query changes"); |
| </script> |
