import { expect, test } from "bun:test";

import { fizzBuzz } from "./fizzBuzz";
import { collatz } from "./collatz";
import { evenDigits } from "./evenDigits";

test("FizzBuzz", () => {
    expect(fizzBuzz(1)).toBe("1");
    expect(fizzBuzz(3)).toBe("fizz");
    expect(fizzBuzz(5)).toBe("buzz");
    expect(fizzBuzz(15)).toBe("fizzBuzz");
});

test("Collatz", () => {
    expect(collatz(3)).toEqual([3, 10, 5, 16, 8, 4, 2, 1]);
    expect(collatz(1)).toEqual([1, 4, 2, 1]);
    expect(collatz(4)).toEqual([4, 2, 1]);
});

test("All Even Digits", () => {
    expect(evenDigits(2486)).toBe(true);
    expect(evenDigits(1234)).toBe(false);
});