16 lines
725 B
JavaScript
16 lines
725 B
JavaScript
const expect = require('expect');
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const randomIntegerInRange = require('./randomIntegerInRange.js');
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test('randomIntegerInRange is a Function', () => {
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expect(randomIntegerInRange).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 an integer', () => {
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expect(Number.isInteger(randomIntegerInRange(lowerLimit, upperLimit))).toBeTruthy();
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});
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const numberForTest = randomIntegerInRange(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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