[GROOVY-6958] null != NullObject when using Categories

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.3.4, 2.4.0-rc-2, 2.4.1, 2.4.4, 2.5.0-beta-1
• Fix Version/s: 2.4.6
• Assignee: Shil Sinha
• Reporter: Jochen Kemnade
• Created: 18/Jul/14 05:44
• Updated: 18/May/17 11:10
• Resolved: 13/Dec/15 02:53

Description

def val = null

class Helper {
  
  static boolean isNull(value) {
    value == null 
  }
  
}

use(Helper){
  assert val == null
  assert val.isNull()
}

The last assertion fails because value isnt null but a NullObject and inside the isNull method, those are apparently not equal.

Issue Links

• is related to: GROOVY-5769 NullObject leak