code: function Dot(runner) {
    Base.call(this, runner);
  
    var self = this
      , stats = this.stats
      , width = Base.window.width * .75 | 0
      , n = 0;
  
    runner.on('start', function(){
      process.stdout.write('\n  ');
    });
  
    runner.on('pending', function(test){
      process.stdout.write(color('pending', Base.symbols.dot));
    });
  
    runner.on('pass', function(test){
      if (++n % width == 0) process.stdout.write('\n  ');
      if ('slow' == test.speed) {
        process.stdout.write(color('bright yellow', Base.symbols.dot));
      } else {
        process.stdout.write(color(test.speed, Base.symbols.dot));
      }
    });
  
    runner.on('fail', function(test, err){
      if (++n % width == 0) process.stdout.write('\n  ');
      process.stdout.write(color('fail', Base.symbols.dot));
    });
  
    runner.on('end', function(){
      console.log();
      self.epilogue();
    });
  }
docs: Initialize a new `Dot` matrix test reporter.
  
  @param {Runner} runner
  @api public