Files
30-seconds-of-code/test/isSymbol/isSymbol.test.js
2018-06-18 17:31:56 +03:00

10 lines
273 B
JavaScript

const expect = require('expect');
const isSymbol = require('./isSymbol.js');
test('isSymbol is a Function', () => {
expect(isSymbol).toBeInstanceOf(Function);
});
test('Checks if the given argument is a symbol', () => {
expect(isSymbol(Symbol('x'))).toBeTruthy();
});