| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSS.supports() Level 5</title> |
| <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#at-supports-ext"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| test(function() { |
| assert_equals(CSS.supports("font-format(opentype)"), true); |
| }, "font-format() function accepts a known format"); |
| |
| test(function() { |
| assert_equals(CSS.supports("font-format(xyzzy)"), false); |
| }, "font-format() function doesn't accept an unknown format"); |
| |
| test(function() { |
| assert_equals(CSS.supports("font-format(opentype, truetype)"), false); |
| }, "font-format() function doesn't accept a format list"); |
| |
| test(function() { |
| assert_equals(CSS.supports("font-format('opentype')"), false); |
| }, "font-format() function doesn't accept a string."); |
| |
| test(function() { |
| assert_equals(CSS.supports("font-tech(features-opentype)"), true); |
| }, "font-tech() function accepts a known technology"); |
| |
| test(function() { |
| assert_equals(CSS.supports("font-tech(feature-opentype)"), false); |
| }, "font-tech() function doesn't accept singular feature-* form for technology"); |
| |
| test(function() { |
| assert_equals(CSS.supports("font-tech(foobar)"), false); |
| }, "font-tech() function doesn't accept an unknown technology"); |
| |
| test(function() { |
| assert_equals(CSS.supports("font-tech(features-opentype, color-COLRv0)"), false); |
| }, "font-tech() function doesn't accept a technology list"); |
| |
| test(function() { |
| assert_equals(CSS.supports("font-tech('features-opentype')"), false); |
| }, "font-tech() function doesn't accept a string."); |
| </script> |
