import {expect} from "chai"; import {padLeft} from "../../../src/helpers/utils"; import {G1point} from "../../../src/helpers/g1point"; describe('helpers tests', function() { describe('padLeft', function() { it('throw if source larger than target', () => { expect( () => padLeft(Buffer.alloc(2, 0), 1) ).to.throw; }); it('pad one 0 on left side', () => { const result = padLeft( Buffer.alloc(1, 1), 2 ); expect(result.length).to.be.equal(2); expect(result[0]).to.be.equal(0); expect(result[1]).to.be.equal(1); }); }); });