public void DisToTest()
{
Point3D point = new Point3D()
{
X = 0, Y = 0, Z = 0
};
Point3D endPoint = new Point3D()
{
X = 1, Y = 1, Z = 1
};
var result = point.DisTo(endPoint);
Assert.AreEqual(result, Math.Pow(3, 0.5)); //包括Z轴
}
