public void SellByDateNotPassed_SellIn_LowersValueByOne()
{
var input = new Item(string.Empty, 5, 2);
var day = new NormalDayUpdater();
var result = day.Add(input);
Assert.Equal(input.SellIn - 1, result.SellIn);
}
public void SellByDateHasPassed_Quality_LowersValueByTwo()
{
var input = new Item(string.Empty, -1, 2);
var day = new NormalDayUpdater();
var result = day.Add(input);
Assert.Equal(input.Quality - 2, result.Quality);
}
public void SellByDateNotPassed_ZeroQuality_DoesNotLower()
{
var input = new Item(string.Empty, 5, 0);
var day = new NormalDayUpdater();
var result = day.Add(input);
Assert.Equal(0, result.Quality);
}
public void OnSellByDate_Quality_LowersValueByOne()
{
var input = new Item(string.Empty, 0, 2);
var day = new NormalDayUpdater();
var result = day.Add(input);
Assert.Equal(input.Quality - 1, result.Quality);
}
