16 lines
472 B
JavaScript
16 lines
472 B
JavaScript
const expect = require('expect');
|
|
const {luhnCheck} = require('./_30s.js');
|
|
|
|
test('luhnCheck is a Function', () => {
|
|
expect(luhnCheck).toBeInstanceOf(Function);
|
|
});
|
|
test('validates identification number', () => {
|
|
expect(luhnCheck(6011329933655299)).toBeFalsy();
|
|
});
|
|
test('validates identification number', () => {
|
|
expect(luhnCheck('4485275742308327')).toBeTruthy();
|
|
});
|
|
test('validates identification number', () => {
|
|
expect(luhnCheck(123456789)).toBeFalsy();
|
|
});
|