public void ShouldTestAnd()
{
var probability = new Probability(1.0);
var probabilityHalf = new Probability(0.5);
Assert.That(probability,Is.EqualTo(probability.And(probability)));
Assert.That(probabilityHalf,Is.EqualTo(probability.And(probabilityHalf)));
Assert.That(new Probability(0.25),Is.EqualTo(probabilityHalf.And(probabilityHalf)));
}
public void ShouldTestEquals()
{
var probabilityOne = new Probability(0.5);
Assert.That(probabilityOne,Is.EqualTo(probabilityOne));
Assert.True(probabilityOne.Equals(new Probability(0.5)));
Assert.False(probabilityOne.Equals(new Probability(1.0)));
Assert.False(probabilityOne.Equals(null));
Assert.False(probabilityOne.Equals(new object()));
}
public Probability And(Probability probability)
{
return new Probability(valueAsFraction*probability.valueAsFraction);
}