| <!doctype html> |
| <link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-size-prop"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1572738"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1572451"> |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> |
| <script type="text/javascript" src="/resources/testharness.js"></script> |
| <script type="text/javascript" src="/resources/testharnessreport.js"></script> |
| <div style="font-family: something-non-default; font-size: calc(-100em + 1px);"></div> |
| <div style="font-family: something-non-default; font-size: calc(1em - 100px);"></div> |
| <script> |
| test(function() { |
| for (const element of document.querySelectorAll("div")) |
| assert_equals(getComputedStyle(element).fontSize, "0px"); |
| }, "font-size computation isn't messed up when mixing positive and negatives when font-family changes and the parent has a keyword font-size"); |
| </script> |