| <!doctype html> |
| <title>getComputedStyle() returns the right style for layout-dependent properties for nodes that have been just inserted into the document, and that have an ancestor whose layout tree was recreated (like an IB-split)</title> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1585882"> |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> |
| <link rel="author" title="Mozilla" href="https://mozilla.org"> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <style> |
| div { |
| width: 100%; |
| } |
| </style> |
| <span> |
| <div></div> |
| </span> |
| <script> |
| test(() => { |
| let oldDiv = document.querySelector("div"); |
| window.unused = oldDiv.getBoundingClientRect(); // update layout |
| |
| let oldWidth = getComputedStyle(oldDiv).width; |
| assert_true(oldWidth.indexOf("px") !== -1, "Should return the used value for width"); |
| |
| let newDiv = document.createElement("div"); |
| oldDiv.replaceWith(newDiv); |
| |
| assert_equals(getComputedStyle(newDiv).width, oldWidth, "Should return the used value for width (just inserted into the document)"); |
| }, "getComputedStyle() should return used value correctly for nodes just inserted into the document, even if they're in an IB-split"); |
| </script> |
