@Test
public void testNameOfDigit() {
assertEquals("zero", ntn.nameOfDigit(0));
assertEquals("one", ntn.nameOfDigit(1));
assertEquals("two", ntn.nameOfDigit(2));
assertEquals("three", ntn.nameOfDigit(3));
assertEquals("four", ntn.nameOfDigit(4));
assertEquals("five", ntn.nameOfDigit(5));
assertEquals("six", ntn.nameOfDigit(6));
assertEquals("seven", ntn.nameOfDigit(7));
assertEquals("eight", ntn.nameOfDigit(8));
assertEquals("nine", ntn.nameOfDigit(9));
}
@Test
public void testNameOfTensDigit() {
assertEquals("ten", ntn.nameOfTensDigit(1));
assertEquals("twenty", ntn.nameOfTensDigit(2));
assertEquals("thirty", ntn.nameOfTensDigit(3));
assertEquals("forty", ntn.nameOfTensDigit(4));
assertEquals("fifty", ntn.nameOfTensDigit(5));
assertEquals("sixty", ntn.nameOfTensDigit(6));
assertEquals("seventy", ntn.nameOfTensDigit(7));
assertEquals("eighty", ntn.nameOfTensDigit(8));
assertEquals("ninety", ntn.nameOfTensDigit(9));
}
@Test
public void testNameOfTeens() {
assertEquals("ten", ntn.nameOfTeens(10));
assertEquals("eleven", ntn.nameOfTeens(11));
assertEquals("twelve", ntn.nameOfTeens(12));
assertEquals("thirteen", ntn.nameOfTeens(13));
assertEquals("fourteen", ntn.nameOfTeens(14));
assertEquals("fifteen", ntn.nameOfTeens(15));
assertEquals("sixteen", ntn.nameOfTeens(16));
assertEquals("seventeen", ntn.nameOfTeens(17));
assertEquals("eighteen", ntn.nameOfTeens(18));
assertEquals("nineteen", ntn.nameOfTeens(19));
}
@Test
public void testNameOf() {
assertEquals("twenty one", ntn.nameOf(21));
assertEquals("one hundred one", ntn.nameOf(101));
assertEquals("nine thousand two hundred one", ntn.nameOf(9201));
assertEquals("one hundred eleven", ntn.nameOf(111));
assertEquals("six thousand two", ntn.nameOf(6002));
assertEquals("five thousand thirteen", ntn.nameOf(5013));
assertEquals("four thousand three hundred twenty one", ntn.nameOf(4321));
// out of range numbers
assertEquals("44321", ntn.nameOf(44321));
// more
assertEquals("one", ntn.nameOf(1));
assertEquals("one", ntn.nameOf(1));
assertEquals("ninety nine", ntn.nameOf(99));
assertEquals("one hundred", ntn.nameOf(100));
assertEquals("one thousand", ntn.nameOf(1000));
assertEquals("one thousand ten", ntn.nameOf(1010));
assertEquals("one thousand eleven", ntn.nameOf(1011));
// TODO: delete these lines
assertEquals("zero", ntn.nameOf(0));
assertEquals("ten", ntn.nameOf(10));
assertEquals("two hundred", ntn.nameOf(200));
assertEquals("three thousand three hundred thirty three", ntn.nameOf(3333));
assertEquals("one hundred one", ntn.nameOf(101));
assertEquals("one hundred ten", ntn.nameOf(110));
assertEquals("nine hundred ninety nine", ntn.nameOf(999));
assertEquals("one thousand", ntn.nameOf(1000));
assertEquals("two thousand eight", ntn.nameOf(2008));
assertEquals("two thousand thirty", ntn.nameOf(2030));
assertEquals("two thousand eleven", ntn.nameOf(2011));
assertEquals("two thousand two hundred one", ntn.nameOf(2201));
assertEquals("two thousand two hundred", ntn.nameOf(2200));
assertEquals("two thousand one hundred eleven", ntn.nameOf(2111));
assertEquals("nine thousand nine hundred ninety nine", ntn.nameOf(9999));
}
@Test
public void testNumbersToWords() {
assertEquals("Give me a high five", ntn.numbersToWords("Give me a high 5"));
assertEquals("I'm sixteen years old.", ntn.numbersToWords("I'm 16 years old."));
assertEquals("seven hundred thirteenpeople died.", ntn.numbersToWords("713people died."));
assertEquals(
"987737/eighty eight !=one thousand one hundred twenty two",
ntn.numbersToWords("987737/88 !=1122"));
assertEquals(
"Today is two thousand eleven November eleventh.",
ntn.numbersToWords("Today is 2011 November 11th."));
assertEquals(
"Avogadro's Constant = six.two thousand two hundred fourteen x ten ^ twenty three mol -one",
ntn.numbersToWords("Avogadro's Constant = 6.02214 x 10 ^ 23 mol -1"));
// more
assertEquals("Pi is roughly three.14159", ntn.numbersToWords("Pi is roughly 3.14159"));
assertEquals("nine.ninety nine", ntn.numbersToWords("9.99"));
// preceding zeros
assertEquals("one hundred one", ntn.numbersToWords("0101"));
assertEquals("one hundred eleven", ntn.numbersToWords("0111"));
assertEquals("twenty three", ntn.numbersToWords("0023"));
assertEquals("twenty three", ntn.numbersToWords("023"));
assertEquals("ten", ntn.numbersToWords("0010"));
assertEquals("ten", ntn.numbersToWords("010"));
assertEquals("fifteen", ntn.numbersToWords("0015"));
assertEquals("fifteen", ntn.numbersToWords("015"));
assertEquals("one", ntn.numbersToWords("0001"));
assertEquals("one", ntn.numbersToWords("001"));
assertEquals("one", ntn.numbersToWords("01"));
assertEquals("zero", ntn.numbersToWords("0000"));
assertEquals("zero", ntn.numbersToWords("000"));
assertEquals("zero", ntn.numbersToWords("00"));
// TODO delete these lines
assertEquals("Hello world!", ntn.numbersToWords("Hello world!"));
assertEquals("Heone hundred ten wzeroroned!", ntn.numbersToWords("He110 w0r1d!"));
assertEquals("The time is now three:fifteen.", ntn.numbersToWords("The time is now 3:15."));
assertEquals(
"Pai = three.one thousand four hundred fifteen", ntn.numbersToWords("Pai = 3.1415"));
assertEquals(
"Tninehe quninety eightick brotwenty eightwn fthree hundred seventy eightox jueight hundred seventy sixmps oone thousandver the lathirty threezy doneotwog.",
ntn.numbersToWords("T9he qu98ick bro28wn f378ox ju876mps o1000ver the la33zy d1o2g."));
assertEquals("nine thousand nine hundred ninety nine", ntn.numbersToWords("009999"));
assertEquals("This is a 10000.", ntn.numbersToWords("This is a 10000."));
}