lodash/test/without.spec.ts

import assert from 'node:assert';
import without from '../src/without';

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

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

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

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