public void sequentialStringTest()
{
d = new FieldNode(1, "1", 1, 1);
d.data.Add("1");
d.data.Add("2");
d.data.Add("3");
Assert.AreEqual("1", d.getSequentialString(0));
Assert.AreEqual("1", d.getSequentialString(3));
Assert.AreNotEqual("1", d.getSequentialString(4));
}