public void Faces()
{
Assert.AreEqual(1, elementSet.GetFaceCount(0));
Assert.AreEqual(1, elementSet.GetFaceCount(1));
int[] index = { 1, 2, 3, 4, 5 };
int[] index2 = { 6, 7, 8, 9 };
Assert.IsTrue(CompareIntArrays(index, elementSet.GetFaceVertexIndices(0, 0)));
Assert.IsTrue(CompareIntArrays(index2, elementSet.GetFaceVertexIndices(1, 0)));
}