public void AndSpecificationTestAndSpecification()
{
// arrange
var specFirstName = new AdHocSpecification <Sample>(x => x.FirstName.StartsWith("J"));
var specLastName = new AdHocSpecification <Sample>(x => x.LastName.StartsWith("R"));
var spec = new AndSpecification <Sample>(specFirstName, specLastName);
// act
var resultFirstName = TestData.List.Where(specFirstName.IsSatisfied()).OrderBy(c => c.FirstName);
var resultLastName = TestData.List.Where(specLastName.IsSatisfied()).OrderBy(c => c.FirstName);
var result = TestData.List.Where(spec.IsSatisfied()).OrderBy(c => c.FirstName);
// assert
Assert.That(resultFirstName.Count(), Is.EqualTo(2));
Assert.That(resultFirstName.First().FirstName, Is.EqualTo("Jose"));
Assert.That(resultFirstName.Last().FirstName, Is.EqualTo("Julian"));
Assert.That(resultLastName.Count(), Is.EqualTo(2));
Assert.That(resultLastName.First().LastName, Is.EqualTo("Rodriguez"));
Assert.That(resultLastName.Last().LastName, Is.EqualTo("Rivera"));
Assert.That(result.Count(), Is.EqualTo(1));
Assert.That(result.First().FirstName, Is.EqualTo("Jose"));
Assert.That(result.First().LastName, Is.EqualTo("Rodriguez"));
}
