10 lines
316 B
JavaScript
10 lines
316 B
JavaScript
const expect = require('expect');
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const {defaults} = require('./_30s.js');
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test('defaults is a Function', () => {
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expect(defaults).toBeInstanceOf(Function);
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});
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test('Assigns default values for undefined properties', () => {
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expect(defaults({ a: 1 }, { b: 2 }, { b: 6 }, { a: 3 })).toEqual({ a: 1, b: 2 });
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});
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