function chunkyMonkey(values, size) {
    let twoDArray = [];
    let index = 0;
    for(let i =  0; i < values.length / size; i++){
        twoDArray.push(values.slice(index, index + size));
        index = index + size;
    }
    return twoDArray;
}



/**
* Test Suite 
*/
describe('chunkyMonkey()', () => {
    it('returns largest positive integer possible for digit count', () => {
        // arrange
        const values = ["a", "b", "c", "d"];
        const size = 2;
        // const values = [0, 1, 2, 3, 4, 5];
        // const size = 4;
        
        // act
        const result = chunkyMonkey(values, size);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toEqual([["a", "b"], ["c", "d"]]);
    //    expect(result).toEqual([[0, 1, 2, 3], [4, 5]]);
    });
});