mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-01-31 15:27:50 +00:00
23 lines
649 B
JavaScript
23 lines
649 B
JavaScript
import { slice } from './utils';
|
|
import differenceBy from '../src/differenceBy';
|
|
|
|
describe('differenceBy', () => {
|
|
it('should accept an `iteratee`', () => {
|
|
let actual = differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
|
|
expect(actual).toEqual([1.2]);
|
|
|
|
actual = differenceBy([{ x: 2 }, { x: 1 }], [{ x: 1 }], 'x');
|
|
expect(actual).toEqual([{ x: 2 }]);
|
|
});
|
|
|
|
it('should provide correct `iteratee` arguments', () => {
|
|
let args;
|
|
|
|
differenceBy([2.1, 1.2], [2.3, 3.4], function () {
|
|
args || (args = slice.call(arguments));
|
|
});
|
|
|
|
expect(args).toEqual([2.3]);
|
|
});
|
|
});
|