function differentSymbolsNaive(str) {
// write code here.
let a =[...str] //converts string to array of string
let b = new Set(a) //converting to set removes duplicate
return b.size //function of set to get size of set
}
/**
* Test Suite
*/
describe('differentSymbolsNaive()', () => {
it('returns count of unique characters', () => {
// arrange
const str = 'cabca';
// act
const result = differentSymbolsNaive(str);
// log
console.log("result: ", result);
// assert
expect(result).toBe(3);
});
it('returns count of unique number', () => {
// arrange
const str = '2356662';
// act
const result = differentSymbolsNaive(str);
// log
console.log("result: ", result);
// assert
expect(result).toBe(4);
});
it('returns count of unique symbols', () => {
// arrange
const str = '$%$$&*';
// act
const result = differentSymbolsNaive(str);
// log
console.log("result: ", result);
// assert
expect(result).toBe(4);
});
it('returns count of unique mix of num and letter', () => {
// arrange
const str = '2S4SG';
// act
const result = differentSymbolsNaive(str);
// log
console.log("result: ", result);
// assert
expect(result).toBe(4);
});
});