public void Test_6_cannot_give_change_when_payment_balance_0()
{
var sut = new Sale(1);
var result = sut.AddChange(new Change(1.00));
Assert.False(result.IsSuccess, "Able to add change to sale with negative balance");
Assert.Equal(0, sut.ChangeGiven);
Assert.Equal(0, sut.Balance);
Assert.Equal(0, sut.PaymentBalance);
}
public void Test_3_can_give_change()
{
var sut = new Sale(1);
var item1 = new SaleItem(new Product(1, "product1", "product1", "product1s", 1.00, imageClassName: "test"), 1);
sut.AddItem(item1);
sut.AddPayment(new Payment(10));
var result = sut.AddChange(new Change(9.00));
Assert.True(result.IsSuccess, "Unable to give change");
Assert.Equal(0, sut.Balance);
}
public void Test_8b_change_amount_cannot_exceed_payment_balance()
{
var sut = new Sale(1);
var item1 = new SaleItem(new Product(1, "product1", "product1", "product1s", 10.11, imageClassName: "test"), 1);
sut.AddItem(item1);
sut.AddPayment(new Payment(5));
var result = sut.AddChange(new Change(6.00));
Assert.False(result.IsSuccess, "Added change that exceeds payment balance");
Assert.Equal(0, sut.ChangeGiven);
}
public void Test_8c_cannot_give_change_to_cancelled_sale()
{
var sut = new Sale(1);
var item1 = new SaleItem(new Product(1, "product1", "product1", "product1s", 1.11, imageClassName: "test"), 1);
sut.AddItem(item1);
sut.Cancel();
var result = sut.AddChange(new Change(1.00));
Assert.False(result.IsSuccess, "Gave change on cancelled sale");
Assert.Equal(0, sut.ChangeGiven);
}
public void Test_6_cannot_give_change_on_paid_sale()
{
var sut = new Sale(1);
var item1 = new SaleItem(new Product(1, "product1", "product1", "product1s", 1.00, imageClassName: "test"), 1);
sut.AddItem(item1);
sut.AddPayment(new Payment(item1.TotalPrice));
var result = sut.AddChange(new Change(9.00));
Assert.False(result.IsSuccess, "Was able to give change on a paid sale");
Assert.Equal(0, sut.Balance);
}
public void Test_6_can_give_change_when_amount_equals_payment_balance()
{
var sut = new Sale(1);
var item1 = new SaleItem(new Product(1, "product1", "product1", "product1s", 1.00, imageClassName: "test"), 1);
sut.AddItem(item1);
sut.AddPayment(new Payment(50));
var result = sut.AddChange(new Change(50));
Assert.True(result.IsSuccess, "Unable to give change when change amount equals payment balance");
Assert.Equal(item1.TotalPrice * -1, sut.Balance);
}
public void Test_6_cannot_give_change_when_amount_exceeds_payment_balance()
{
var sut = new Sale(1);
var item1 = new SaleItem(new Product(1, "product1", "product1", "product1s", 1.00, imageClassName: "test"), 1);
sut.AddItem(item1);
sut.AddPayment(new Payment(50));
var expectedBalance = sut.Balance;
var result = sut.AddChange(new Change(100));
Assert.False(result.IsSuccess, "Able to add change to sale with negative balance");
Assert.Equal(expectedBalance, sut.Balance);
}
public void Test_7_cannot_give_change_on_paid_sale()
{
// expected to fail until exercise complete
var sut = new Sale(1);
var item1 = new SaleItem(new Product(1, "product1", "product1", "product1s", 1.00, imageClassName: "test"), 1);
sut.AddItem(item1);
sut.AddPayment(new Payment(item1.TotalPrice));
var result = sut.AddChange(new Change(5.55));
Assert.False(result.IsSuccess, "Was able to give change on paid sale");
Assert.Equal(0, sut.Balance);
Assert.Equal(0, sut.ChangeGiven);
}
