public void Transfer_Rollback_OK()
{
TransferTransaction transfer = new TransferTransaction(from, to, 50);
_ = transfer.Execute();
_ = transfer.Rollback();
Assert.True(transfer.Reversed);
}
public void Transfer_RollbackWithInsufficientFunds_ThrowsInsufficientFundsException()
{
TransferTransaction transfer = new TransferTransaction(from, to, 50);
_ = transfer.Execute();
WithdrawTransaction withdraw = new WithdrawTransaction(to, to.Balance);
withdraw.Execute();
Assert.Throws <InsufficientFundsException>(() => transfer.Rollback());
}