13 lines
306 B
JavaScript
13 lines
306 B
JavaScript
const expect = require('expect');
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const {isEven} = require('./_30s.js');
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test('isEven is a Function', () => {
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expect(isEven).toBeInstanceOf(Function);
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});
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test('4 is even number', () => {
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expect(isEven(4)).toBeTruthy();
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});
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test('5 is not an even number', () => {
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expect(isEven(5)).toBeFalsy();
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});
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