public void NegateTest() { LinqToSparqlExpTranslator<Track> target = new LinqToSparqlExpTranslator<Track>(); target.TypeTranslator = new XsdtTypeConverter(); Expression e = Expression.Negate(EH.Member(GetProperty("IntTestProperty"))); StringBuilder sb = new StringBuilder(); target.StringBuilder = sb; target.Negate(e); string actualResult = sb.ToString(); string expectedResult = "!(?BooleanTestProperty)"; Assert.AreEqual(expectedResult, actualResult); }