[TestMethod] // 7
public void Get_Words_When_Input_Is_Valid()
{
CurrencyToWords usd = new CurrencyToWords();
List <string> number = new List <string>()
{
"123.45", "8.1", "8", "24", "100", "1455", "1234567898765432123456789"
};
List <string> actual = new List <string>();
number.ForEach(delegate(String inputNumber)
{
actual.Add(usd.ChangeCurrencyToWords(inputNumber));
});
List <string> expected = new List <string>()
{
"ONE HUNDRED AND TWENTY-THREE DOLLARS AND FOURTY-FIVE CENTS",
"EIGHT DOLLARS AND ONE CENT",
"EIGHT DOLLARS",
"TWENTY-FOUR DOLLARS",
"ONE HUNDRED DOLLARS",
"ONE THOUSAND AND FOUR HUNDRED AND FIFTY-FIVE DOLLARS",
"ONE SEPTILLION AND TWO HUNDRED AND THIRTY-FOUR SEXTILLION AND FIVE HUNDRED AND SIXTY-SEVEN QUINTILLION AND EIGHT HUNDRED AND NINETY-EIGHT QUADRILLION AND SEVEN HUNDRED AND SIXTY-FIVE TRILLION AND FOUR HUNDRED AND THIRTY-TWO BILLION AND ONE HUNDRED AND TWENTY-THREE MILLION AND FOUR HUNDRED AND FIFTY-SIX THOUSAND AND SEVEN HUNDRED AND EIGHTY-NINE DOLLARS"
};
for (int i = 0; i < actual.Count; i++)
{
Assert.AreEqual(expected[i].ToLower().Trim(), actual[i]);
}
}
[TestMethod] // 8
public void Get_Cent_Word_If_Decimal_Is_Valid()
{
CurrencyToWords usd = new CurrencyToWords();
string number = "8.1";
string actual = usd.ChangeCurrencyToWords(number);
string expected = "eight dollars and one cent";
Assert.AreEqual(expected.Contains("cent"), actual.ToLower().Trim().Contains("cent"));
}
[TestMethod] // 2
public void Check_If_User_Input_Is_Not_A_Valid_Number_Or_Uncommon_Input()
{
CurrencyToWords changeCurrencyToWords = new CurrencyToWords();
try
{
changeCurrencyToWords.ChangeCurrencyToWords("sh52425@#!123.4S/*-*/-+@#!#!#@#!##_*&**");
}
catch (System.FormatException e)
{
StringAssert.Contains(e.Message, "Input only accept number and following by 2 digits decimal number (e.g 123.45)");
return;
}
Assert.Fail("The expected exception was not thrown.");
}
[TestMethod] // 1
public void Check_If_User_Input_Is_Empty_String()
{
CurrencyToWords changeCurrencyToWords = new CurrencyToWords();
try
{
changeCurrencyToWords.ChangeCurrencyToWords("");
}
catch (System.FormatException e)
{
StringAssert.Contains(e.Message, "Input can't be empty");
return;
}
Assert.Fail("The expected exception was not thrown.");
}
[TestMethod] // 5
public void Check_If_Decimal_Digits_More_Than_Two()
{
CurrencyToWords changeCurrencyToWords = new CurrencyToWords();
string inputNumber = "123.4512314556422342";
try
{
changeCurrencyToWords.ChangeCurrencyToWords(inputNumber);
}
catch (System.Exception e)
{
StringAssert.Contains(e.Message, "decimal digit is out of range, only accept maximum 2 number (e.g 123.45)");
return;
}
Assert.Fail("The expected exception was not thrown.");
}