import { describe, expect, it } from '@jest/globals';
import { removeLeadingZeros } from '../../../src/basic/double/remove-leading-zeros.js';


describe('removeLeadingZeros', function() {
    it('should correctly remove leading zeros of some polynomials with double precision coefficients', 
    function() {
        {
            let p1 = [0, 1e-10, 1e-5];
            let p2 = [0, 0, 1e-10, 1e-1];
            let p3: number[] = [];
            let p4 = [0,0,0,0];
            
            expect(removeLeadingZeros(p1)).toEqual([1e-10, 1e-5]); 
            expect(removeLeadingZeros(p2)).toEqual([1e-10, 1e-1]);
            expect(removeLeadingZeros(p3)).toEqual([]);
            expect(removeLeadingZeros(p4)).toEqual([]);
        }
    });
});