public void QuaternionLengthSquaredTest()
{
Vector3 v = new Vector3(1.0f, 2.0f, 3.0f);
Single w = 4.0f;
Quaternion target = new Quaternion(v, w);
Single expected = 30.0f;
Single actual;
actual = target.LengthSquared();
Assert.True(MathHelper.Equal(expected, actual), $"Quaternion.LengthSquared did not return the expected value: expected {expected} actual {actual}");
}