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<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-values-4/#exponent-funcs">
<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="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(${t})`, `scale(${s})`);
test_computed_serialization('opacity', t, c);
test_computed_serialization('transform', `scale(${t})`, `matrix(${c}, 0, 0, ${c}, 0, 0)`);
}
test_serialization(
'exp(0)',
'calc(1)',
'1');
test_serialization(
'log(1)',
'calc(0)',
'0');
test_serialization(
'calc(exp(0) + log(1) + log(1))',
'calc(1)',
'1');
test_serialization(
'calc(log(1) + 0.5)',
'calc(0.5)',
'0.5');
const t = 'calc(log(0))';
const s = 'calc(-infinity)';
const c = '0';
test_specified_serialization('opacity', t, s);
test_specified_serialization('transform', `scale(${t})`, `scale(${s})`);
test_computed_serialization('opacity', t, c);
</script>
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