", width_value: "calc-size(fit-content, size + 12px)", expected: "516px" },
    { value: "472px", width_value: "calc-size(fit-content, size + 12px)", expected: "472px" },
    { value: "calc-size(content, size * 1.5 + 4px)", width_value: "321px", expected: "904px" },
  ];
  const container = document.getElementById("container");
  const target = document.getElementById("target");
  const target_cs = getComputedStyle(target);
  for (const obj of basic_tests) {
    test((t) => {
      target.style.removeProper