16 lines
439 B
JavaScript
16 lines
439 B
JavaScript
const expect = require('expect');
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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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