19 lines
738 B
JavaScript
19 lines
738 B
JavaScript
const expect = require('expect');
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const randomNumberInRange = require('./randomNumberInRange.js');
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test('randomNumberInRange is a Function', () => {
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expect(randomNumberInRange).toBeInstanceOf(Function);
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});
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const lowerLimit = Math.floor(Math.random() * 20);
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const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
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test('The returned value is a number', () => {
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expect(typeof randomNumberInRange(lowerLimit,upperLimit) === 'number').toBeTruthy();
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});
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const numberForTest = randomNumberInRange(lowerLimit,upperLimit);
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test('The returned value lies between provided lowerLimit and upperLimit (both inclusive).', () => {
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expect((numberForTest >= lowerLimit) && (numberForTest <= upperLimit)).toBeTruthy();
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});
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