public void AddDailyOrderAmounts_NumberOfOrderExcess_ThrowInvalidOperationException()
{
var sut = new Campaign();
var orders = new int[1000000];
var additionalOrder = new int[1];
sut.AddDailyOrderAmounts(orders);
Assert.Throws <InvalidOperationException>(() => sut.AddDailyOrderAmounts(additionalOrder));
}
public void AddDailyOrderAmounts_AddToCollection_Added()
{
var sut = new Campaign();
var amounts1 = new int[] { 1, 2 };
var amounts2 = new int[] { 7, 8, 9 };
var expected = new int[] { 1, 2, 7, 8, 9 };
sut.AddDailyOrderAmounts(amounts1);
sut.AddDailyOrderAmounts(amounts2);
Assert.Equal(expected, sut.GetAllOrderAmounts());
}
public void RunDailyPrizeDraw_LargestTakesAwaySmallestWithRemaining_IncreaseTotalPrizeMoneyByDifference()
{
var sut = new Campaign();
var amounts1 = new int[] { 1, 2, 3 };
var amounts2 = new int[] { 10, 20, 30 };
var expected = 3 - 1;
sut.AddDailyOrderAmounts(amounts1);
sut.RunDailyPrizeDraw();
Assert.Equal(expected, sut.GetTotalPrizeMoney());
expected += 30 - 2;
sut.AddDailyOrderAmounts(amounts2);
sut.RunDailyPrizeDraw();
Assert.Equal(expected, sut.GetTotalPrizeMoney());
}
public void RunDailyPrizeDraw_AfterDraw_RemoveOneOfSameKindOfLargestAndSmallestOrders()
{
var sut = new Campaign();
var amounts = new int[] { 2, 2, 7, 8, 9, 10, 10, 10 };
var expected = new int[] { 2, 7, 8, 9, 10, 10 };
sut.AddDailyOrderAmounts(amounts);
sut.RunDailyPrizeDraw();
Assert.Equal(expected, sut.GetAllOrderAmounts());
}
public void RunDailyPrizeDraw_LargestTakesAwaySmallest_IncreaseTotalPrizeMoneyByDifference()
{
var sut = new Campaign();
var amounts = new int[] { 1, 2, 7, 8, 9 };
var expected = 9 - 1;
sut.AddDailyOrderAmounts(amounts);
sut.RunDailyPrizeDraw();
Assert.Equal(expected, sut.GetTotalPrizeMoney());
}
