groovy

unable to overwritel toString() via MOP in some cases

Details

  • Type: Sub-task Sub-task
  • Status: Open Open
  • Priority: Major Major
  • Resolution: Unresolved
  • Affects Version/s: 1.5.4
  • Fix Version/s: None
  • Component/s: None
  • Labels:
    None
  • Testcase included:
    yes
  • Number of attachments :
    0

Description

If toString is overridden via the metaClass then "$

{obj}

" != obj.toString().

Test case below

class DateTest extends GroovyTestCase {

    void testToString(){

        Date.metaClass.toString = { ->
            'boogie'
        }
       
        def date = new Date()
        assertEquals('boogie', date.toString())
        assertEquals( date.toString(), "${date}") //fails
    }
}

Paul King gave this pointer as to where the problem is:

"Yes, the final line of InvokerHelper.format() should be something like:

return (String) invokeMethod(arguments, "toString", EMPTY_ARGS);
//return arguments.toString();

to make your example work."

Issue Links

is duplicated by

Bug - A problem which impairs or prevents the functions of the product. GROOVY-2732 GString doesn't call correct toString method when it's been changed via the metaClass mechanism

  • Major - Major loss of function.
  • Closed - The issue is considered finished, the resolution is correct. Issues which are not closed can be reopened.
relates to

Bug - A problem which impairs or prevents the functions of the product. GROOVY-2801 Override toString in coerced Map fails for interfaces but is ok for concrete classes

  • Major - Major loss of function.
  • Closed - The issue is considered finished, the resolution is correct. Issues which are not closed can be reopened.

Activity

People

  • Assignee:
    Unassigned
    Reporter:
    Lee Butts
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Dates

  • Created:
    Updated: