public void LenTest()
{
LinqToSparqlExpTranslator<Track> target = new LinqToSparqlExpTranslator<Track>();
target.TypeTranslator = new XsdtTypeConverter();
Expression e = Expression.ArrayLength(EH.Member(GetType().GetProperty("Ia")));
StringBuilder sb = new StringBuilder();
target.StringBuilder = sb;
target.ArrayLength(e);
string actualResult = sb.ToString();
string expectedResult = "(10)<=(15)";
Assert.AreEqual(expectedResult, actualResult);
}