mathjs/test/expression/keywords.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.

// test keywords
var assert = require('assert'),
    keywords = require('../../lib/expression/keywords');

describe('keywords', function() {

  it('should return a map with reserved keywords', function() {
    assert.deepEqual(Object.keys(keywords).sort(), ['end'].sort());
  });

});