<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-counter-styles-3/#counter-style-fallback">
<link rel="author" href="mailto:xiaochengh@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/counter-style-testcommon.js"></script>
<script>
function test_valid_fallback(value) {
  test_valid_counter_style_descriptor('fallback', value);
}

function test_invalid_fallback(value) {
  test_invalid_counter_style_descriptor('fallback', value);
}

// <counter-style-name>

test_valid_fallback('bar');

// Counter style names are custom identifiers, not strings
test_invalid_fallback('"bar"');

// The following are not valid counter style names
test_invalid_fallback('none');
test_invalid_fallback('initial');
test_invalid_fallback('inherit');
test_invalid_fallback('unset');

</script>