/** Basic success test for {@link FizzBuzz#fizzBuzz(int)} in the range 1-20 */
@Test
public void testFizzBuzz() {
int range = 20;
String expected =
"1 2 fizz 4 buzz fizz 7 8 fizz buzz 11 fizz 13 14 fizzbuzz 16" + " 17 fizz 19 buzz";
FizzBuzz fizzBuzzer = new FizzBuzz();
ArrayList<String> results = fizzBuzzer.fizzBuzz(range);
assertTrue(results.size() == range);
StringBuilder resultString = new StringBuilder();
for (String result : results) {
resultString.append(result);
}
// Verify that we got the expected output
assertTrue(resultString.toString().trim().equals(expected));
}
@Test
public void Fizz() {
FizzBuzz fb = new FizzBuzz();
assertEquals("Fizz", fb.fizzBuzz(3));
}
@Test(expected = RuntimeException.class)
public void FizzNegative() {
FizzBuzz fb = new FizzBuzz();
fb.fizzBuzz(-1);
}
