<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-counter-styles-3/#counter-style-system">
<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_system(value) {
  test_valid_counter_style_descriptor('system', value);
}

function test_invalid_system(value) {
  test_invalid_counter_style_descriptor('system', value);
}

// cyclic | numeric | alphabetic | symbolic | additive |
// [fixed <integer>?] | [ extends <counter-style-name> ]

test_valid_system('cyclic');
test_valid_system('fixed');
test_valid_system('fixed 100');
test_valid_system('fixed -1');
test_valid_system('symbolic');
test_valid_system('alphabetic');
test_valid_system('numeric');
test_valid_system('additive');
test_valid_system('extends bar');

test_invalid_system('float');
test_invalid_system('cyclic cyclic');

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

</script>