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using Xunit;
public class AccountSpec
{
[Fact]
public void it_increases_the_balance_after_a_deposit()
{
var account = new Account();
account.deposit(new Quantity(100, Currency.CAD));
account.deposit(new Quantity(300, Currency.USD));
Assert.Equal(new Quantity(700, Currency.CAD), account.balance());
}
[Fact]
public void it_decreases_the_balance_after_a_withdrawal()
{
var account = new Account();
account.deposit(new Quantity(100.00M, Currency.CAD));
account.withdraw(new Quantity(50.0M, Currency.CAD));
Assert.Equal(new Quantity(50.0M, Currency.CAD), account.balance());
}
[Fact]
public void it_transfers_money_from_one_account_to_another()
{
var account_a = new Account();
var account_b = new Account();
account_a.deposit(new Quantity(100, Currency.CAD));
account_b.deposit(new Quantity(100, Currency.CAD));
account_a.transfer(new Quantity(50, Currency.CAD), account_b);
Assert.Equal(new Quantity(50, Currency.CAD), account_a.balance());
Assert.Equal(new Quantity(150, Currency.CAD), account_b.balance());
}
}
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