<!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%))");

  /*

  "
  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>