/**
 * Typescript definition tests for d3/d3-random module
 *
 * Note: These tests are intended to test the definitions only
 * in the sense of typing and call signature consistency. They
 * are not intended as functional tests.
 */

import * as d3Random from 'd3-random';
import * as seedrandom from 'seedrandom';

// ------------------------------------------------------------
// Preparatory Steps
// ------------------------------------------------------------

let randomNumberGenerator: () => number;

// ------------------------------------------------------------
// randomUniform
// ------------------------------------------------------------

let prngUniform: d3Random.RandomUniform;

prngUniform = d3Random.randomUniform;
prngUniform = d3Random.randomUniform.source(seedrandom("Schroedinger's flea."));

randomNumberGenerator = prngUniform();
randomNumberGenerator = prngUniform(0.2);
randomNumberGenerator = prngUniform(0.2, 5);

// ------------------------------------------------------------
// randomNormal
// ------------------------------------------------------------

let prngNormal: d3Random.RandomNormal;

prngNormal = d3Random.randomNormal;
prngNormal = d3Random.randomNormal.source(seedrandom("Schroedinger's flea."));

randomNumberGenerator = prngNormal();
randomNumberGenerator = prngNormal(3);
randomNumberGenerator = prngNormal(3, 4);

// ------------------------------------------------------------
// randomLogNormal
// ------------------------------------------------------------

let prngLogNormal: d3Random.RandomLogNormal;

prngLogNormal = d3Random.randomLogNormal;
prngLogNormal = d3Random.randomLogNormal.source(seedrandom("Schroedinger's flea."));

randomNumberGenerator = prngLogNormal();
randomNumberGenerator = prngLogNormal(3);
randomNumberGenerator = prngLogNormal(3, 4);

// ------------------------------------------------------------
// randomBates
// ------------------------------------------------------------

let prngBates: d3Random.RandomBates;

prngBates = d3Random.randomBates;
prngBates = d3Random.randomBates.source(seedrandom("Schroedinger's flea."));

randomNumberGenerator = prngBates(3);

// ------------------------------------------------------------
// randomIrwinHall
// ------------------------------------------------------------

let prngIrwinHall: d3Random.RandomIrwinHall;

prngIrwinHall = d3Random.randomIrwinHall;
prngIrwinHall = d3Random.randomIrwinHall.source(seedrandom("Schroedinger's flea."));

randomNumberGenerator = prngIrwinHall(3);

// ------------------------------------------------------------
// randomExponential
// ------------------------------------------------------------

let prngExponential: d3Random.RandomExponential;

prngExponential = d3Random.randomExponential;
prngExponential = d3Random.randomExponential.source(seedrandom("Schroedinger's flea."));

randomNumberGenerator = prngExponential(1 / 40);