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<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Values and Units Test: serialization of summation involving nested calc()</title>
<!--
This test is an adapted version of the portion of the original test
https://chromium.googlesource.com/chromium/src/+/c825d655f6aaf73484f9d56e9012793f5b9668cc/third_party/WebKit/LayoutTests/css3/calc/calc-nesting.html
which required using property-parsing-test.js
-->
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
<link rel="help" href="https://www.w3.org/TR/css-values-4/#math-function-simplify-an-expression">
<meta content="This test checks that how a summation involving one or more nested calc() is performed and serialized." name="assert">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="target"></div>
<script>
function startTesting()
{
var targetElement = document.getElementById("target");
function verifySerialization(specified_value, serialization_expected, description)
{
test(function()
{
targetElement.style.left = specified_value;
assert_equals(targetElement.style.left, serialization_expected);
}, description);
}
verifySerialization("calc(20px + calc(80px))", "calc(100px)", "testing calc(20px + calc(80px))");
verifySerialization("calc(calc(100px))", "calc(100px)", "testing calc(calc(100px))");
verifySerialization("calc(calc(2) * calc(50px)", "calc(100px)", "testing calc(calc(2) * calc(50px)");
verifySerialization("calc(calc(150px*2/3)", "calc(100px)", "testing calc(calc(150px*2/3)");
verifySerialization("calc(calc(2 * calc(calc(3)) + 4) * 10px)", "calc(100px)", "testing calc(calc(2 * calc(calc(3)) + 4) * 10px)");
verifySerialization("calc(50px + calc(40%))", "calc(40% + 50px)", "testing calc(50px + calc(40%))");
verifySerialization("calc(calc(300px - 1 * (0% + 100px)))", "calc(0% + 200px)", "testing calc(calc(300px - 1 * (0% + 100px)))");
verifySerialization("calc(calc(300px - (0% + 100px) * 1))", "calc(0% + 200px)", "testing calc(calc(300px - (0% + 100px) * 1))");
verifySerialization("calc(calc(300px - (0% + 100px) * -1))", "calc(0% + 400px)", "testing calc(calc(300px - (0% + 100px) * -1))");
verifySerialization("calc(calc(300px - -1 * (0% + 100px)))", "calc(0% + 400px)", "testing calc(calc(300px - -1 * (0% + 100px)))");
verifySerialization("calc(calc(300px - 1 * (0% - 100px)))", "calc(0% + 400px)", "testing calc(calc(300px - 1 * (0% - 100px)))");
verifySerialization("calc(0px - 1 * (min(20%, 20px) - 10px))", "calc(0px - (1 * (-10px + min(20%, 20px))))", "testing simplification with nested sum");
/*
"
Sort the terms in the following order:
The number, if present
The percentage, if present
The dimensions, ordered by their units ASCII case-insensitive alphabetically
"
https://www.w3.org/TR/css-values-4/#math-function-serialize-a-summation
*/
}
startTesting();
</script>