83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
15 lines
677 B
JavaScript
15 lines
677 B
JavaScript
const {randomIntegerInRange} = require('./_30s.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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