/w3c/csswg-drafts/issues/8629
    ["hsl(calc(infinity) 100% 50%)", "rgb(255, 0, 0)"], // hsl(360 100% 50%)
    ["hsl(calc(-infinity) 100% 50%)", "rgb(255, 0, 0)"], // hsl(0 100% 50%)
    ["hsl(calc(0 / 0) 100% 50%)", "rgb(255, 0, 0)"], // hsl(0 100% 50%)
    ["hsl(90 50% 50% / calc(infinity))", "rgb(128, 191, 64)"], // hsl(90 50% 50%)
    ["hsl(90 50% 50% / calc(-infinity))", "rgba(128, 191, 64, 0)"], // hsl(90 50% 50% / 0)
    ["hsl(90 50% 50% / calc(0 / 0))", "rgba(128, 191, 64, 0)"], // hsl(90 50% 50% / 