dist-javascript-algorithms-and-data-structures/dist/algorithms/math/primality-test/__test__/trialDivision.test.js

Algorithms and data-structures implemented on JavaScript

"use strict";

var _trialDivision = _interopRequireDefault(require("../trialDivision"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * @param {function(n: number)} testFunction
 */
function primalityTest(testFunction) {
  expect(testFunction(1)).toBe(false);
  expect(testFunction(2)).toBe(true);
  expect(testFunction(3)).toBe(true);
  expect(testFunction(5)).toBe(true);
  expect(testFunction(11)).toBe(true);
  expect(testFunction(191)).toBe(true);
  expect(testFunction(191)).toBe(true);
  expect(testFunction(199)).toBe(true);
  expect(testFunction(-1)).toBe(false);
  expect(testFunction(0)).toBe(false);
  expect(testFunction(4)).toBe(false);
  expect(testFunction(6)).toBe(false);
  expect(testFunction(12)).toBe(false);
  expect(testFunction(14)).toBe(false);
  expect(testFunction(25)).toBe(false);
  expect(testFunction(192)).toBe(false);
  expect(testFunction(200)).toBe(false);
  expect(testFunction(400)).toBe(false); // It should also deal with floats.

  expect(testFunction(0.5)).toBe(false);
  expect(testFunction(1.3)).toBe(false);
  expect(testFunction(10.5)).toBe(false);
}

describe('trialDivision', () => {
  it('should detect prime numbers', () => {
    primalityTest(_trialDivision.default);
  });
});