public void When_SimpleInterestIs10_On3Cards_WalletTotalIs30()
{
IWallet wallet = new Wallet("Wallet1", new List <Card>
{
new VisaCard("Visa1", 100, .1),
new MasterCard("MasterCard1", 100, .1),
new DiscoverCard("DiscoverCard1", 100, .1)
});
FullPersonInterestCalculator interestCalculator = new FullPersonInterestCalculator(new SimpleInterestCalculator());
IWallet newWallet = interestCalculator.ComputeTotalInterestForWallet(wallet, 1);
Assert.That(newWallet.Interest, Is.EqualTo(30).Within(.1));
}
