public void RulesCanBeCombinedUsingTheAndOperator()
{
Assert.That(aRuleThatIsTrue.And(aRuleThatIsTrue).IsTrueFor(new AnyClass()));
Assert.That(aRuleThatIsTrue.And(aRuleThatIsFalse).IsFalseFor(new AnyClass()));
Assert.That(aRuleThatIsFalse.And(aRuleThatIsTrue).IsFalseFor(new AnyClass()));
Assert.That(aRuleThatIsFalse.And(aRuleThatIsFalse).IsFalseFor(new AnyClass()));
}
public void AnAndRuleCanBeEvaluatedAndDescribed()
{
var rule = aRuleThatIsTrue.And(aRuleThatIsFalse);
var description = describer.Describe(rule);
Assert.That(description, Is.EqualTo("Always True[T] AND[F] Always False[F]"));
}
public void AnAndRuleCanBeDescribed()
{
var rule = aRuleThatIsTrue.And(aRuleThatIsFalse);
var description = describer.Describe(rule);
Assert.That(description, Is.EqualTo("(Always True AND Always False)"));
}
public void UnneededParenthesisAreNotShown()
{
var anAndRule = aRuleThatIsTrue.And(aRuleThatIsFalse);
var anotherAndRule = aRuleThatIsTrue.And(aRuleThatIsTrue);
var rule = anAndRule.And(anotherAndRule);
var description = describer.Describe(rule);
Assert.That(description, Is.EqualTo("Always True AND Always False AND Always True AND Always True"));
}