public void ShouldDecreaseQualityOverTime()
{
var item = new Item()
{
Quality = 10
};
var standardDegrador = new StandardDegrador();
standardDegrador.Degrade(item);
Assert.Equal(9, item.Quality);
}
public void ShouldDecreaseDoubleAfterSellBy()
{
var item = new Item
{
Quality = 10,
SellIn = -3
};
var standardDegrador = new StandardDegrador();
standardDegrador.Degrade(item);
Assert.Equal(8, item.Quality);
}
public void QualityShouldNotBeNegative()
{
var item = new Item
{
Quality = 1,
SellIn = -1
};
var standardDegrador = new StandardDegrador();
standardDegrador.Degrade(item);
// if quality is due to go negative, set value as zero
Assert.Equal(0, item.Quality);
}
