<!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-serialize">
<link rel="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
<link rel="author" title="Apple Inc">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../support/serialize-testcommon.js"></script>
<div id=target></div>
<script>
function test_serialization(t,s,c) {
    test_specified_serialization('opacity', t, s);
    test_specified_serialization('transform', `scale(${t})`, `scale(calc(${c}))`);
    test_computed_serialization('opacity', t, c);
    test_computed_serialization('transform', `scale(${t})`, `matrix(${c}, 0, 0, ${c}, 0, 0)`);
}

test_serialization(
    'round(1.1,1)',
    'calc(1)',
    '1');
test_serialization(
    'mod(1,1)',
    'calc(0)',
    '0');
test_serialization(
    'rem(1,1)',
    'calc(0)',
    '0');

test_serialization(
    'calc(round(1,0))',
    'calc(NaN)',
    'NaN');
test_serialization(
    'calc(mod(1,0))',
    'calc(NaN)',
    'NaN');
test_serialization(
    'calc(rem(1,0))',
    'calc(NaN)',
    'NaN');
</script>