<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-values-4/#comp-func">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#numbers">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#calc-type-checking">
<link rel="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../support/parsing-testcommon.js"></script>
<script>
function test_invalid_number(value) {
  test_invalid_value('opacity', value);
}

// Syntax checking
test_invalid_number('min()');
test_invalid_number('min( )');
test_invalid_number('min(,)');
test_invalid_number('min(1, )');
test_invalid_number('min(, 1)');
test_invalid_number('min(1 + )');
test_invalid_number('min(1 - )');
test_invalid_number('min(1 * )');
test_invalid_number('min(1 / )');
test_invalid_number('min(1 2)');
test_invalid_number('min(1, , 2)');
test_invalid_number('max()');
test_invalid_number('max( )');
test_invalid_number('max(,)');
test_invalid_number('max(1, )');
test_invalid_number('max(, 1)');
test_invalid_number('max(1 + )');
test_invalid_number('max(1 - )');
test_invalid_number('max(1 * )');
test_invalid_number('max(1 / )');
test_invalid_number('max(1 2)');
test_invalid_number('max(1, , 2)');

// Type checking
test_invalid_number('min(0px)');
test_invalid_number('min(0s)');
test_invalid_number('min(0deg)');
test_invalid_number('min(0Hz)');
test_invalid_number('min(0dpi)');
test_invalid_number('min(0fr)');
test_invalid_number('min(1, 1%)');
test_invalid_number('min(1, 0px)');
test_invalid_number('min(1, 0s)');
test_invalid_number('min(1, 0deg)');
test_invalid_number('min(1, 0Hz)');
test_invalid_number('min(1, 0dpi)');
test_invalid_number('min(1, 0fr)');
test_invalid_number('max(0px)');
test_invalid_number('max(0s)');
test_invalid_number('max(0deg)');
test_invalid_number('max(0Hz)');
test_invalid_number('max(0dpi)');
test_invalid_number('max(0fr)');
test_invalid_number('max(1, 1%)');
test_invalid_number('max(1, 0px)');
test_invalid_number('max(1, 0s)');
test_invalid_number('max(1, 0deg)');
test_invalid_number('max(1, 0Hz)');
test_invalid_number('max(1, 0dpi)');
test_invalid_number('max(1, 0fr)');
</script>