lodash/test/without.spec.js

import without from '../src/without';

describe('without', () => {
    it('should return the difference of values', () => {
        const actual = without([2, 1, 2, 3], 1, 2);
        expect(actual).toEqual([3]);
    });

    it('should use strict equality to determine the values to reject', () => {
        const object1 = { a: 1 };
        const object2 = { b: 2 };
        const array = [object1, object2];

        expect(without(array, { a: 1 })).toEqual(array);
        expect(without(array, object1)).toEqual([object2]);
    });

    it('should remove all occurrences of each value from an array', () => {
        const array = [1, 2, 3, 1, 2, 3];
        expect(without(array, 1, 2), [3).toEqual(3]);
    });
});