text: /*!
   * is-number <https://github.com/jonschlinkert/is-number>
   *
   * Copyright (c) 2014-2018, Jon Schlinkert.
   * Licensed under the MIT License.
   */
  
  'use strict';
  
  require('mocha');
  var assert = require('assert');
  var isNumber = require('./');
  
  describe('is a number', function() {
    var fixtures = [
      0xff,
      5e3,
      0,
      0.1,
      -0.1,
      -1.1,
      37,
      3.14,
  
      1,
      1.1,
      10,
      10.1,
      100,
      -100,
  
      '0.1',
      '-0.1',
      '-1.1',
      '0',
      '012',
      '0xff',
      '1',
      '1.1',
      '10',
      '10.10',
      '100',
      '5e3',
      '   56\r\n  ', // issue#3
  
      Math.LN2,
  
      // 012, Octal literal not allowed in strict mode
      parseInt('012'),
      parseFloat('012'),
      Math.abs(1),
      Math.acos(1),
      Math.asin(1),
      Math.atan(1),
      Math.atan2(1, 2),
      Math.ceil(1),
      Math.cos(1),
      Math.E,
      Math.exp(1),
      Math.floor(1),
      Math.LN10,
      Math.LN2,
      Math.log(1),
      Math.LOG10E,
      Math.LOG2E,
      Math.max(1, 2),
      Math.min(1, 2),
      Math.PI,
      Math.pow(1, 2),
      Math.pow(5, 5),
      Math.random(1),
      Math.round(1),
      Math.sin(1),
      Math.sqrt(1),
      Math.SQRT1_2,
      Math.SQRT2,
      Math.tan(1),
  
      Number.MAX_VALUE,
      Number.MIN_VALUE,
  
      '0.0',
      '0x0',
      '0e+5',
      '000',
      '0.0e-5',
      '0.0E5',
  
      +'',
      +1,
      +3.14,
      +37,
      +5,
      +[],
      +false,
      +Math.LN2,
      +true,
      +null,
      +new Date()
    ];
  
    fixtures.forEach(function(num, idx) {
      it(JSON.stringify(num) + ' should be a number', function() {
        assert(isNumber(num), 'expected "' + String(num) + '" to be a number');
      });
    });
  });
  
  describe('is not a number', function() {
    var fixtures = [
      '   ', // issue#3
      '\r\n\t', // issue#3
      '',
      '',
      '3a',
      'abc',
      'false',
      'null',
      'true',
      'undefined',
      +'abc',
      +/foo/,
      +[1, 2, 4],
      +Infinity,
      +Math.sin,
      +NaN,
      +undefined,
      +{ a: 1 },
      +{},
      /foo/,
      [1, 2, 3],
      [1],
      [],
      true,
      false,
      +function() {},
      function() {},
      Infinity,
      -Infinity,
      Math.sin,
      NaN,
      new Date(),
      null,
      undefined,
      {}
    ];
  
    fixtures.forEach(function(num) {
      it(JSON.stringify(num) + ' should not be a number', function() {
        assert(!isNumber(num), 'expected "' + String(num) + '" to not be a number');
      });
    });
  });
  