undefined - Unit JS

Undefined asserter.

Assert that the actual value is undefined (using .isUndefined() assertion).

See also the spec of "undefined" asserter for more examples.

Example

test.undefined(actual);

test
  .undefined(undefined)
  .undefined()

  .then()

  .exception(function(){
    test.undefined(0);
  })
  .exception(function(){
    test.undefined(1);
  })
  .exception(function(){
    test.undefined('undefined');
  })
  .exception(function(){
    test.undefined(null);
  })
  .exception(function(){
    test.undefined('');
  })
  .exception(function(){
    test.undefined([]);
  })
  .exception(function(){
    test.undefined({});
  })
;