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

import { bEqual } from '../../../src/basic/bigint/b-equal.js';
import { bReflectAboutYAxis } from '../../../src/change-variables/bigint/b-reflect-about-y-axis.js';


describe('bReflectAboutYAxis', function() {
    it('should correctly reflect some polynomials with bigint coefficients about the y axis', 
    function() {
        let p1: bigint[] = [];
        let p2 = [5n,4n,3n,2n,1n];
        expect(bEqual(bReflectAboutYAxis(p1), [])).toEqual(true);
        expect(bEqual(bReflectAboutYAxis(p2), [5n,-4n,3n,-2n,1n])).toEqual(true);
    });
});