1  var test = require('tape');
 2  var inspect = require('../');
 3  
 4  var obj = { a: 1, b: [3, 4, undefined, null], c: undefined, d: null };
 5  
 6  test('undef and null', function (t) {
 7      t.plan(1);
 8      t.equal(
 9          inspect(obj),
10          '{ a: 1, b: [ 3, 4, undefined, null ], c: undefined, d: null }'
11      );
12  });