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
405 B
JavaScript
15 lines
405 B
JavaScript
const {isArrayLike} = require('./_30s.js');
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test('isArrayLike is a Function', () => {
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expect(isArrayLike).toBeInstanceOf(Function);
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});
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test('Returns true for a string', () => {
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expect(isArrayLike('abc')).toBeTruthy();
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});
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test('Returns true for an array', () => {
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expect(isArrayLike([1, 2, 3])).toBeTruthy();
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});
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test('Returns false for null', () => {
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expect(isArrayLike(null)).toBeFalsy();
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});
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