* 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
706 B
JavaScript
15 lines
706 B
JavaScript
const {initializeArrayWithRangeRight} = require('./_30s.js');
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test('initializeArrayWithRangeRight is a Function', () => {
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expect(initializeArrayWithRangeRight).toBeInstanceOf(Function);
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});
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test('Initializes an array containing the numbers in the specified range (witout start value)', () => {
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expect(initializeArrayWithRangeRight(5)).toEqual([5, 4, 3, 2, 1, 0]);
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});
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test('Initializes an array containing the numbers in the specified range', () => {
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expect(initializeArrayWithRangeRight(7, 3)).toEqual([7, 6, 5, 4, 3]);
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});
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test('Initializes an array containing the numbers in the specified range (with step)', () => {
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expect(initializeArrayWithRangeRight(9, 0, 2)).toEqual([8, 6, 4, 2, 0]);
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});
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