text: /**
   * Dependencies.
   */
  
  if ('undefined' != typeof require) {
      expect = require('expect.js');
      ms = require('../ms');
  }
  
  /**
   * Test.
   */
  
  describe('ms.js', function () {
  
      it('should preserve ms', function () {
          expect(100).to.be(100);
      });
  
      it('should convert number strings to number', function () {
          expect(ms('1e+5')).to.be(1e+5);
      });
  
      it('should convert from m to ms', function () {
          expect(ms('1m')).to.be(60000);
      });
  
      it('should convert from h to ms', function () {
          expect(ms('1h')).to.be(3600000);
      });
  
      it('should convert d to ms', function () {
          expect(ms('2d')).to.be(172800000);
      });
  
      it('should convert s to ms', function () {
          expect(ms('1s')).to.be(1000);
      });
  
      it('should convert ms to ms', function () {
          expect(ms('100ms')).to.be(100);
      });
  
      it('should work with decimals', function () {
          expect(ms('1.5h')).to.be(5400000);
      });
  
      it('should return NaN if invalid', function () {
          expect(isNaN(ms('☃'))).to.be(true);
      });
  
      it('should be case-insensitive', function () {
          expect(ms('1.5H')).to.be(5400000);
      });
  
      it('should work with numbers starting with .', function () {
          expect(ms('.5ms')).to.be(.5);
      });
  
  });
  