public void Thousands_ReturnsCorrectly()
{
var expected = "eleven thousand DOLLARS";
var res = ChequeWriterUtil.GetString(11000.00m);
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 Whole_Thousands_WithDecimal_ReturnsCorrectly()
{
var expected = "one thousand DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(1000.53m);
Assert.Equal(expected, res);
}
public void MoreThan_2Decimals_Are_Rounded()
{
var expected = "one CENT";
var res = ChequeWriterUtil.GetString(0.0120m);
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 Whole_Hundreds_WithDecimal_ReturnsCorrectly()
{
var expected = "two hundred DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(200.53m);
Assert.Equal(expected, res);
}
public void Whole_Hundreds_ReturnsCorrectly()
{
var expected = "two hundred DOLLARS";
var res = ChequeWriterUtil.GetString(200.00m);
Assert.Equal(expected, res);
}
public void Tens_WithDecimal_ReturnsCorrectly()
{
var expected = "fifty four DOLLARS AND fifty three CENTS";
var res = ChequeWriterUtil.GetString(54.53m);
Assert.Equal(expected, res);
}
public void Tens_ReturnsCorrectly()
{
var expected = "fifty four DOLLARS";
var res = ChequeWriterUtil.GetString(54m);
Assert.Equal(expected, res);
}
public void Thousands_Return_2_Groups()
{
var res = ChequeWriterUtil.GetGroups("43210");
Assert.Equal(2, res.Count);
Assert.Equal("210", res[0]);
Assert.Equal("43", res[1]);
}
public void Millions_Return_3_Groups()
{
var res = ChequeWriterUtil.GetGroups("76543210");
Assert.Equal(3, res.Count);
Assert.Equal("210", res[0]);
Assert.Equal("543", res[1]);
Assert.Equal("76", res[2]);
}
public void Billions_Return_4_Groups()
{
var res = ChequeWriterUtil.GetGroups("9876543210");
Assert.Equal(4, res.Count);
Assert.Equal("210", res[0]);
Assert.Equal("543", res[1]);
Assert.Equal("876", res[2]);
Assert.Equal("9", res[3]);
}
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();
}
}
public void Hundreds_Return_1_Group()
{
var res = ChequeWriterUtil.GetGroups("123");
Assert.Single(res);
}
