| <!DOCTYPE html> |
| <title>CSS Position Absolute: dynamic changes to containing block height</title> |
| <link rel="author" href="mailto:atotic@google.com"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=933054"> |
| <meta name="assert" content="Chrome regression: abspos descendant responds to containing block size change through line items"> |
| <style> |
| |
| #container { |
| position: relative; |
| } |
| #intermediate { |
| overflow: hidden; |
| width:200px; |
| height:200px; |
| background:red; |
| } |
| #block { |
| height:200px; |
| background:green; |
| } |
| #target { |
| position: absolute; |
| width: 200px; |
| height: 100px; |
| background:green; |
| } |
| </style> |
| <!-- Test for crbug.com/933054 |
| Relayout optimizations cause OOF descendant not to be |
| repositioned |
| --> |
| <div id="container"> |
| <div id="intermediate"> |
| <div id="block"></div> |
| <div id="target"></div> |
| </div> |
| </div> |
| |
| <script> |
| document.body.offsetTop; |
| test(() => { |
| document.getElementById("block").style.height = "100px"; |
| assert_equals(document.querySelector("#target").offsetTop, 100); |
| }, '#target static position responded to parent relayout'); |
| </script> |
