css/css-values/calc-serialization.html

<!doctype html>
<meta charset="utf-8">
<title>CSS Values and Units: calc() serialization.</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@mozilla.com">
<link rel="help" href="https://drafts.csswg.org/css-values/#calc-serialize">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/1731">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="content"></div>
<script>
test(function() {
  // specified -> expected
  var values = {
    "calc(10px + 1vmin + 10%)": "calc(10% + 10px + 1vmin)",
    "calc(10px + 1vmin)": "calc(10px + 1vmin)",
    "calc(10px + 1em)": "calc(1em + 10px)",
    "calc(1vmin - 10px)": "calc(-10px + 1vmin)",
    "calc(-10px + 1em)": "calc(1em - 10px)",
    "calc(-10px)": "calc(-10px)",
  };

  var content = document.getElementById("content");

  for (var prop in values) {
    content.style.width = prop;
    assert_equals(content.style.width, values[prop], "Serialization of " + prop);
  }
}, "calc() serialization")
</script>