11 lines
347 B
JavaScript
11 lines
347 B
JavaScript
const expect = require('expect');
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const pickBy = require('./pickBy.js');
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test('pickBy is a Function', () => {
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expect(pickBy).toBeInstanceOf(Function);
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});
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t.deepEqual(pickBy({ a: 1, b: '2', c: 3 }, x => typeof x === 'number'), { 'a': 1, 'c': 3 }, 'Creates an object composed of the properties the given function returns truthy for.');
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