public void EqualsAndHash()
{
Joint joint = new Joint.Builder("joint", Joint.JointType.Continuous, new Link.Builder("parent").Build(), new Link.Builder("child").Build()).Build();
Joint same = new Joint.Builder("joint", Joint.JointType.Continuous, new Link.Builder("parent").Build(), new Link.Builder("child").Build()).Build();
Joint diff1 = new Joint.Builder("different_joint", Joint.JointType.Continuous, new Link.Builder("parent").Build(), new Link.Builder("child").Build()).Build();
Joint diff2 = new Joint.Builder("joint", Joint.JointType.Fixed, new Link.Builder("parent").Build(), new Link.Builder("child").Build()).Build();
Joint diff3 = new Joint.Builder("joint", Joint.JointType.Continuous, new Link.Builder("differnt_parent").Build(), new Link.Builder("child").Build()).Build();
Joint diff4 = new Joint.Builder("joint", Joint.JointType.Continuous, new Link.Builder("parent").Build(), new Link.Builder("different_child").Build()).Build();
Assert.IsTrue(joint.Equals(joint));
Assert.IsFalse(joint.Equals(null));
Assert.IsTrue(joint.Equals(same));
Assert.IsTrue(same.Equals(joint));
Assert.IsFalse(joint.Equals(diff1));
Assert.IsFalse(joint.Equals(diff2));
Assert.IsFalse(joint.Equals(diff3));
Assert.IsFalse(joint.Equals(diff4));
Assert.AreEqual(joint.GetHashCode(), joint.GetHashCode());
Assert.AreEqual(joint.GetHashCode(), same.GetHashCode());
Assert.AreNotEqual(joint.GetHashCode(), diff1.GetHashCode());
Assert.AreNotEqual(joint.GetHashCode(), diff2.GetHashCode());
Assert.AreNotEqual(joint.GetHashCode(), diff3.GetHashCode());
Assert.AreNotEqual(joint.GetHashCode(), diff4.GetHashCode());
}
