18 lines
453 B
JavaScript
18 lines
453 B
JavaScript
const expect = require('expect');
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const {squareSum} = require('./_30s.js');
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test('squareSum is a Function', () => {
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expect(squareSum).toBeInstanceOf(Function);
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});
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test('squareSum returns the proper result', () => {
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expect(squareSum(2, 3, 4)).toBe(29);
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});
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test('works with negative numbers', () => {
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expect(squareSum(-2, 3, -4)).toBe(29);
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});
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test('NaN when parameters have text', () => {
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expect(squareSum(-2, 3, -4, 'text')).toBe(NaN);
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});
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