import { describe, expect, it } from '@jest/globals';

import { equal } from '../../../src/basic/double/equal.js';
import { invert } from '../../../src/basic/double/invert.js';


describe('invert', function() {
    it('should correctly invert some polynomials with double precision coefficients', 
    function() {
        let p1: number[] = [];
        let p2 = [1];
        let p3 = [4,3,2,1];
        expect(equal(invert(p1), [])).toEqual(true);
        expect(equal(invert(p2), [1])).toEqual(true);
        expect(equal(invert(p3), [1,2,3,4])).toEqual(true);
    });
});