public void WordsToNumber_Many_Words()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual(125793, kntw.WordsToNumber("one hundred twenty five thousand seven hundred ninety three"));
Assert.AreEqual(987654321, kntw.WordsToNumber("nine hundred eighty seven million six hundred fifty four thousand three hundred twenty one"));
Assert.AreEqual(999999999, kntw.WordsToNumber("nine hundred ninety nine million nine hundred ninety nine thousand nine hundred ninety nine"));
}
public void NumberToWords_Between_100_And_999()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual("one hundred", kntw.NumberToWords(100));
Assert.AreEqual("one hundred one", kntw.NumberToWords(101));
Assert.AreEqual("five hundred fifty two", kntw.NumberToWords(552));
Assert.AreEqual("nine hundred ninety nine", kntw.NumberToWords(999));
}
public void WordsToNumber_Two_Words()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual(21, kntw.WordsToNumber("Twenty one"));
Assert.AreEqual(25, kntw.WordsToNumber("twenty Five"));
Assert.AreEqual(66, kntw.WordsToNumber("Sixty Six"));
Assert.AreEqual(77, kntw.WordsToNumber("seventy seven"));
}
public void NumberToWords_Over_1000()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual("one hundred twenty five thousand seven hundred ninety three", kntw.NumberToWords(125793));
Assert.AreEqual("one million", kntw.NumberToWords(1000000));
Assert.AreEqual("seven hundred million", kntw.NumberToWords(700000000));
Assert.AreEqual("nine hundred eighty seven million six hundred fifty four thousand three hundred twenty one", kntw.NumberToWords(987654321));
Assert.AreEqual("nine hundred ninety nine million nine hundred ninety nine thousand nine hundred ninety nine", kntw.NumberToWords(999999999));
}
public void WordsToNumber_Three_Words()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual(550, kntw.WordsToNumber("five Hundred fifty"));
Assert.AreEqual(101, kntw.WordsToNumber("One hundred One"));
Assert.AreEqual(2012, kntw.WordsToNumber("two thousand twelve"));
Assert.AreEqual(3000013, kntw.WordsToNumber("THREE MILLION ThIrTeEn"));
Assert.AreEqual(700000000, kntw.WordsToNumber("seven hundred million"));
}
public void NumberToWords_Between_20_And_99()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual("twenty", kntw.NumberToWords(20));
Assert.AreEqual("twenty one", kntw.NumberToWords(21));
Assert.AreEqual("fifty two", kntw.NumberToWords(52));
Assert.AreEqual("ninety eight", kntw.NumberToWords(98));
Assert.AreEqual("ninety nine", kntw.NumberToWords(99));
}
public void NumberToWords_Less_Than_20()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual("one", kntw.NumberToWords(1));
Assert.AreEqual("two", kntw.NumberToWords(2));
Assert.AreEqual("nine", kntw.NumberToWords(9));
Assert.AreEqual("ten", kntw.NumberToWords(10));
Assert.AreEqual("fourteen", kntw.NumberToWords(14));
Assert.AreEqual("nineteen", kntw.NumberToWords(19));
}
public void WordsToNumber_Single_Word()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual(1, kntw.WordsToNumber("one"));
Assert.AreEqual(2, kntw.WordsToNumber("Two"));
Assert.AreEqual(9, kntw.WordsToNumber("nine"));
Assert.AreEqual(10, kntw.WordsToNumber("Ten"));
Assert.AreEqual(14, kntw.WordsToNumber("fourteen"));
Assert.AreEqual(19, kntw.WordsToNumber("Nineteen"));
Assert.AreEqual(20, kntw.WordsToNumber("twenty"));
Assert.AreEqual(70, kntw.WordsToNumber("Seventy"));
Assert.AreEqual(90, kntw.WordsToNumber("ninety"));
}
public void Number_10500_To_String_Ten_Thousand_Five_Hundred()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("ten thousand five hundred", ntw.NumbersToWords(10500));
}
public void Number_1502_To_String_One_Thousand_Five_Hundred_Two()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("one thousand five hundred two", ntw.NumbersToWords(1502));
}
public void Number_125_To_String_One_Hundred_Twenty_Five()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("one hundred twenty five", ntw.NumbersToWords(125));
}
public void Number_25_To_String_Twenty_Five()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("twenty five", ntw.NumbersToWords(25));
}
public void Number_15_To_String_Fifteen()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("fifteen", ntw.NumbersToWords(15));
}
public void Number_7_To_String_Seven()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("seven", ntw.NumbersToWords(7));
}
public void Number_1_To_String_One()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("one", ntw.NumbersToWords(1));
}
public void Number_106750_To_String_One_Hundred_Six_Thousand_Seven_Hundred_Fifty()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("one hundred six thousand seven hundred fifty", ntw.NumbersToWords(106750));
}
public void NumberToWords_Testing_0()
{
KataNumbersToWords kntw = new KataNumbersToWords();
Assert.AreEqual("zero", kntw.NumberToWords(0));
}
public void Number_1234567_To_String_One_Million_Two_Hundred_Thirty_Four_Thousand_Five_Hundred_Sixty_Seven()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("one million two hundred thirty four thousand five hundred sixty seven", ntw.NumbersToWords(1234567));
}
public void Number_0_To_String_Zero()
{
KataNumbersToWords ntw = new KataNumbersToWords();
Assert.AreEqual("zero", ntw.NumbersToWords(0));
}
