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