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<!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>
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