| <!DOCTYPE html> |
| <title>CSS Values and Units Test: rlh invalidation</title> |
| <link rel="author" title="Daniil Sakhapov" href="sakhapov@google.com"> |
| <link rel="help" href="https://drafts.csswg.org/css-values/#font-relative-lengths"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <meta name="assert" content="test rlh invalidation"> |
| <style> |
| @import url("/fonts/ahem.css"); |
| html { |
| font-family: 'Ahem'; |
| font-size: 40px; |
| line-height: 2; |
| } |
| body { |
| font-family: monospace; |
| font-size: 20px; |
| line-height: 5; |
| } |
| div { |
| width: 10rlh; |
| } |
| </style> |
| |
| <html> |
| <body> |
| <div id="div"></div> |
| </body> |
| </html> |
| |
| <script> |
| setup({ single_test: true }); |
| let old_width = div.getBoundingClientRect().width; |
| document.documentElement.style.lineHeight = "4"; |
| let new_width = div.getBoundingClientRect().width; |
| assert_not_equals(old_width, new_width, "expect rlh units to update on line-height update"); |
| old_width = new_width; |
| document.documentElement.style.fontSize = "41px"; |
| new_width = div.getBoundingClientRect().width; |
| assert_not_equals(old_width, new_width, "expect rlh units to update on font-size update"); |
| done(); |
| </script> |