groovy
  1. groovy
  2. GROOVY-5175

Calling a method with a null argument's value when the parameter is an array

    Details

    • Type: Bug Bug
    • Status: Closed Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 2.0-beta-1
    • Fix Version/s: 2.0-beta-2
    • Component/s: Static Type Checker
    • Labels:
      None
    • Number of attachments :
      0

      Description

      STC Error when calling a method with an argument of null when the parameter is an array

      Null parameter with array argument
      import groovy.transform.*
      
      @TypeChecked 
      class Foo {
          def say() {
              methodWithArrayParam(null) // STC Error
          }
          def methodWithArrayParam(String[] s) {
              
          }
      }
      
      

      Other cases tested too:

      Simple method call with null argument
      class Foo {
          def say() {
              methodWithArrayParam(null)
          }
      
          def methodWithArrayParam(Date date) {
      
          }
      }
      
      Multiple parameters where one of them is null
      class Foo {
          def say() {
              methodWithArrayParam(null, new Date())
          }
          def methodWithArrayParam(Date date1, Date date2) {
      
          }
      }
      
      Ambiguous method call due to null parameters
      class Foo {
          def say() {
              methodWithArrayParam(null, new Date())
          }
          def methodWithArrayParam(Date date1, Date date2) {
      
          }
          def methodWithArrayParam(String o, Date date2) {
      
          }
      }
      
      Disambiguated method call
      class Foo {
          def say() {
              methodWithArrayParam((Date)null, new Date())
          }
          def methodWithArrayParam(Date date1, Date date2) {
      
          }
          def methodWithArrayParam(String o, Date date2) {
      
          }
      }
      

        Activity

          People

          • Assignee:
            CÚdric Champeau
            Reporter:
            Valery Shyshkin
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            Dates

            • Created:
              Updated:
              Resolved: