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
42 lines
945 B
JavaScript
42 lines
945 B
JavaScript
const {allEqual} = require('./_30s.js');
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test('allEqual is a Function', () => {
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expect(allEqual).toBeInstanceOf(Function);
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});
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test('Truthy numbers', () => {
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expect(allEqual([4, 4, 4])).toBeTruthy();
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});
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test('Falsy numbers', () => {
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expect(allEqual([4, 3.999, 4])).toBeFalsy();
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});
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test('Truthy strings', () => {
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expect(allEqual(['lorem', 'lorem', 'lorem'])).toBeTruthy();
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});
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test('Falsy numbers', () => {
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expect(allEqual(['lorem', 'ipsum', 'dolore'])).toBeFalsy();
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});
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test('Truthy trues', () => {
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expect(allEqual([true, true, true])).toBeTruthy();
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});
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test('Truthy falses', () => {
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expect(allEqual([false, false, false])).toBeTruthy();
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});
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test('Falsy trues', () => {
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expect(allEqual([true, true, false])).toBeFalsy();
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});
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test('Falsy falses', () => {
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expect(allEqual([false, false, true])).toBeFalsy();
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});
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test('False when there are different types', () => {
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expect(allEqual([1, '1', true])).toBeFalsy();
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});
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