public void Whole_Tens_WithDecimal_ReturnsCorrectly()
{
var expected = "fifty DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(50.53m);
Assert.Equal(expected, res);
}
public void Hundreds_ReturnsCorrectly()
{
var expected = "two hundred and fifty four DOLLARS";
var res = ChequeWriterUtil.GetString(254.00m);
Assert.Equal(expected, res);
}
public void One_WithDecimal_ReturnsCorrectly()
{
var expected = "one DOLLAR AND fifty CENTS";
var res = ChequeWriterUtil.GetString(1.5m);
Assert.Equal(expected, res);
}
public void Zero_ReturnsZero()
{
var expected = "zero";
var res = ChequeWriterUtil.GetString(0);
Assert.Equal(expected, res);
}
public void Whole_TenBillions_WithDecimalReturnsCorrectly()
{
var expected = "ninety two billion DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(92000000000.53m);
Assert.Equal(expected, res);
}
public void TenBillions_WithDecimalReturnsCorrectly()
{
var expected = "ninety two billion, eight hundred and seventeen million, six hundred and twenty one thousand, two hundred and fifty four DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(92817621254.53m);
Assert.Equal(expected, res);
}
public void HundredThousands_ReturnsCorrectly()
{
var expected = "six hundred and twenty one thousand, two hundred and fifty four DOLLARS";
var res = ChequeWriterUtil.GetString(621254.00m);
Assert.Equal(expected, res);
}
public void Above_TwoBillions_AreNotSupported()
{
var expected = "more than 2 billion are not supported";
var res = ChequeWriterUtil.GetString(2000000000.01m);
Assert.Equal(expected, res);
}
public void Whole_HundredThousands_ReturnsCorrectly()
{
var expected = "six hundred thousand DOLLARS";
var res = ChequeWriterUtil.GetString(600000);
Assert.Equal(expected, res);
}
public void Whole_HundredThousands_WithDecimal_ReturnsCorrectly()
{
var expected = "six hundred thousand DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(600000.53m);
Assert.Equal(expected, res);
}
public void Whole_TenThousands_ReturnsCorrectly()
{
var expected = "twenty thousand DOLLARS";
var res = ChequeWriterUtil.GetString(20000.00m);
Assert.Equal(expected, res);
}
public void Thousands_WithDecimal_ReturnsCorrectly()
{
var expected = "one thousand, two hundred and fifty four DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(1254.53m);
Assert.Equal(expected, res);
}
public void Thousands_ReturnsCorrectly()
{
var expected = "eleven thousand DOLLARS";
var res = ChequeWriterUtil.GetString(11000.00m);
Assert.Equal(expected, res);
}
public void WholeBillions_ReturnsCorrectly()
{
var expected = "one billion DOLLARS";
var res = ChequeWriterUtil.GetString(1000000000);
Assert.Equal(expected, res);
}
public void MoreThan_2Decimals_Are_RoundedUp()
{
var expected = "two CENTS";
var res = ChequeWriterUtil.GetString(0.0150m);
Assert.Equal(expected, res);
}
public void Billions_WithDecimal_ReturnsCorrectly()
{
var expected = "one billion, nine hundred and ninety nine million, nine hundred and ninety nine thousand, nine hundred and ninety nine DOLLARS AND ninety nine CENTS";
var res = ChequeWriterUtil.GetString(1999999999.99m);
Assert.Equal(expected, res);
}
public void Millions_WithDecimal_ReturnsCorrectly()
{
var expected = "three million, six hundred and twenty one thousand, two hundred and fifty four DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(3621254.53m);
Assert.Equal(expected, res);
}
public void Whole_TenBillions_ReturnsCorrectly()
{
var expected = "ninety two billion DOLLARS";
var res = ChequeWriterUtil.GetString(92000000000);
Assert.Equal(expected, res);
}
public void Whole_TenMillions_ReturnsCorrectly()
{
var expected = "seventeen million DOLLARS";
var res = ChequeWriterUtil.GetString(17000000);
Assert.Equal(expected, res);
}
public void Decimals_ReturnsCorrectly()
{
var expected = "thirteen CENTS";
var res = ChequeWriterUtil.GetString(0.13m);
Assert.Equal(expected, res);
}
public void Whole_HundredMillions_ReturnsCorrectly()
{
var expected = "eight hundred million DOLLARS";
var res = ChequeWriterUtil.GetString(800000000);
Assert.Equal(expected, res);
}
public void One_ReturnsCorrectly()
{
var expected = "one DOLLAR";
var res = ChequeWriterUtil.GetString(1);
Assert.Equal(expected, res);
}
public void Whole_HundredMillions_WithDecimal_ReturnsCorrectly()
{
var expected = "eight hundred million DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(800000000.53m);
Assert.Equal(expected, res);
}
public void Ones_ReturnsCorrectly()
{
var expected = "four DOLLARS";
var res = ChequeWriterUtil.GetString(4);
Assert.Equal(expected, res);
}
public void OneCent_ReturnsCorrectly()
{
var expected = "one CENT";
var res = ChequeWriterUtil.GetString(0.01m);
Assert.Equal(expected, res);
}
public void Whole_Tens_ReturnsCorrectly()
{
var expected = "fifty DOLLARS";
var res = ChequeWriterUtil.GetString(50m);
Assert.Equal(expected, res);
}
public void HundredMillions_ReturnsCorrectly()
{
var expected = "eight hundred and seventeen million, six hundred and twenty one thousand, two hundred and fifty four DOLLARS";
var res = ChequeWriterUtil.GetString(817621254);
Assert.Equal(expected, res);
}
public void Whole_Hundreds_ReturnsCorrectly()
{
var expected = "two hundred DOLLARS";
var res = ChequeWriterUtil.GetString(200.00m);
Assert.Equal(expected, res);
}
static void Main(string[] args)
{
Console.WriteLine("--- Cheque Writer Utility ---");
Console.WriteLine("- Enter a number up to 2 billion, with or without decimal parts");
Console.WriteLine("- Enter 'quit' to exit");
string input = Console.ReadLine();
while (string.IsNullOrEmpty(input) || !input.ToLower().Equals("quit"))
{
decimal number = 0;
if (!decimal.TryParse(input, out number))
{
Console.WriteLine("Please enter a valid number");
}
else
{
Console.WriteLine(ChequeWriterUtil.GetString(number));
}
input = Console.ReadLine();
}
}
