mathjs/test/function/probability/pickRandom.test.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser and offers an integrated solution to work with numbers, big numbers, complex numbers, units, and matrices.

var assert = require('assert'),
    math = require('../../../index');

describe('pickRandom', function () {
  // Note: pickRandom is a convenience function generated by distribution
  // it is tested in distribution.test.js

  it('should have a function pickRandom', function () {
    assert.equal(typeof math.pickRandom, 'function');
  })

  it('should LaTeX pickRandom', function () {
    var expression = math.parse('pickRandom([1,2,3])');
    assert.equal(expression.toTex(), '\\mathrm{pickRandom}\\left(\\begin{bmatrix}1\\\\2\\\\3\\\\\\end{bmatrix}\\right)');
  });

});