public void ProviderExtensions_RegionInPosition_ComplexVariableAndPositionIsTheMainVariable_EntireComplexVariable()
{
const string data = "[[[[var1]][[var2]][[rec([[indexVar]]).fielA]]]]";
var region = data.RegionInPostion(2);
Assert.AreEqual(data, region.Name);
Assert.AreEqual(0, region.StartIndex);
}