public void SummarizeQuantity()
{
var orders = new List <Order>
{
new Order()
{
Quantity = 1
},
new Order()
{
Quantity = 2
},
new Order()
{
Quantity = 3
},
new Order()
{
Quantity = 4
},
new Order()
{
Quantity = 5
},
};
var excepted = new List <int> {
3, 7, 5
};
Assert.AreEqual(excepted, MySummarize.SummarizeByGroup(orders, 2, o => o.Quantity));
}
public void SizeWrong()
{
var orders = new List <Order>
{
new Order()
{
Quantity = 1
},
new Order()
{
Quantity = 2
},
new Order()
{
Quantity = 3
},
new Order()
{
Quantity = 4
},
new Order()
{
Quantity = 5
},
};
Action act = () => MySummarize.SummarizeByGroup(orders, -1, o => o.Quantity);
act.Should().Throw <ArgumentException>().WithMessage("size should >0");
}
public void SummarizePrice()
{
var excepted = new List <int> {
700, 1220, 1390
};
Assert.AreEqual(excepted, MySummarize.SummarizeByGroup(products, 4, p => p.Price));
}
public void SummarizeCost()
{
var excepted = new List <int> {
63, 162, 261, 109
};
Assert.AreEqual(excepted, MySummarize.SummarizeByGroup(products, 3, p => p.Cost));
}