| <!DOCTYPE html> |
| <title>CSS Fonts 4 test: parsing the src descriptor list</title> |
| <meta name="assert" content="A parse error in one component of the source list does not invalidate the entire descriptor"> |
| <link rel="help" href="https://drafts.csswg.org/css-fonts/#font-face-src-parsing"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style id="testStyle"> |
| </style> |
| <script> |
| const sheet = testStyle.sheet; |
| tests = [ |
| // A component with a parse error does not invalidate the entire descriptor |
| // if there's some other valid component present. |
| { src: 'local(inherit), url(foo.ttf)', valid: true }, |
| { src: 'local("myfont"), local(unset)', valid: true }, |
| { src: 'local(), url(foo.ttf)', valid: true }, |
| { src: 'local(12px monospace), url(foo.ttf)', valid: true }, |
| { src: 'local("myfont") format(opentype), url(foo.ttf)', valid: true }, |
| { src: 'url(not a valid url/bar.ttf), url(foo.ttf)', valid: true }, |
| { src: 'url(foo.ttf) format(bad), url(foo.ttf)', valid: true }, |
| { src: 'url(foo.ttf) tech(unknown), url(foo.ttf)', valid: true }, |
| { src: 'url(foo.ttf) tech(color-COLRv0) otherfunc(othervalue), url(foo.ttf)', valid: true }, |
| { src: 'url(foo.ttf), url(something.ttf) format(broken)', valid: true }, |
| { src: '/* an empty component */, url(foo.ttf)', valid: true }, |
| { src: 'local(""), url(foo.ttf), unparseable-garbage, local("another font name")', valid: true }, |
| // But if all components are bad, the descriptor is invalid. |
| { src: 'local(), local(initial)', valid: false }, |
| { src: 'local("textfont") format(opentype), local("emoji") tech(color-COLRv0)', valid: false }, |
| { src: 'local(), /*empty*/, url(should be quoted.ttf), junk', valid: false }, |
| { src: 'url(foo.ttf) format(unknown), url(bar.ttf) tech(broken)', valid: false }, |
| { src: 'url(foo.ttf) tech(color-COLRv0) otherfunc(othervalue), junk', valid: false }, |
| ]; |
| |
| for (let t of tests) { |
| test(() => { |
| assert_equals(sheet.cssRules.length, 0, "testSheet should initially be empty"); |
| sheet.insertRule("@font-face { src: " + t.src + "}"); |
| try { |
| assert_equals(sheet.cssRules[0].style.getPropertyValue("src") != "", t.valid); |
| } finally { |
| sheet.deleteRule(0); |
| } |
| }, "Check that src: " + t.src + " is " + (t.valid ? "valid" : "invalid")); |
| } |
| </script> |
