import { sort, immutableObjectSort } from '../../src/util/sort';
import { v00, v01, v22 } from '../common/fixtures/Vectors';
import { Vector } from '../../src/common';

describe('util / sort', () => {
  it('should sort an array of objects by a property', () => {
    const unsorted: Vector[] = [v22, v00, v01];
    const correct: Vector[] = [v00, v01, v22];
    const sorted: Vector[] = sort(unsorted, 'y');

    expect(sorted).toEqual(correct);
    expect(sorted).toBe(unsorted);
  });

  it('should sort and clone an array of objects by a property ', () => {
    const unsorted: Vector[] = [v22, v00, v01];
    const correct: Vector[] = [v00, v01, v22];
    const sorted: Vector[] = immutableObjectSort(unsorted, 'y');

    expect(sorted).toEqual(correct);
    expect(sorted).not.toBe(unsorted);
  });
});