// Properties of Math.cbrt that are guaranteed by the spec. // If x is NaN, the result is NaN. assertEq(Math.cbrt(NaN), NaN); // If x is +0, the result is +0. assertEq(Math.cbrt(+0), +0); // If x is −0, the result is −0. assertEq(Math.cbrt(-0), -0); // If x is +∞, the result is +∞. assertEq(Math.cbrt(Infinity), Infinity); // If x is −∞, the result is −∞. assertEq(Math.cbrt(-Infinity), -Infinity); reportCompare(0, 0, "ok");