public void Negation()
{
ISpecification <int> spec = new LessThan10().Not();
Assert.That(spec.IsSatisfiedBy(5), Is.False);
Assert.That(spec.IsSatisfiedBy(11), Is.True);
}
public void Satisfaction()
{
var spec = new LessThan10();
Assert.That(spec.IsSatisfiedBy(5), Is.True);
Assert.That(spec.IsSatisfiedBy(11), Is.False);
}
public void MoreThan5_And_LessThan10()
{
ISpecification <int> lessThan10 = new LessThan10();
ISpecification <int> moreThan5 = new MoreThan5();
ISpecification <int> subject = lessThan10.And(moreThan5);
Assert.That(subject, Must.Be.SatisfiedBy(7));
Assert.That(subject, Must.Not.Be.SatisfiedBy(3).Or(13));
}
