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Posted to notifications@groovy.apache.org by "David Cole (JIRA)" <ji...@apache.org> on 2016/02/21 18:32:18 UTC

[jira] [Created] (GROOVY-7759) @Lazy does not work when used in a Trait

David Cole created GROOVY-7759:
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             Summary: @Lazy does not work when used in a Trait
                 Key: GROOVY-7759
                 URL: https://issues.apache.org/jira/browse/GROOVY-7759
             Project: Groovy
          Issue Type: Bug
          Components: groovy-runtime
    Affects Versions: 2.4.6
            Reporter: David Cole
            Priority: Minor


@Lazy annotation is not honored when used in a trait.
Here is an example script demonstrating the issue:

{code}
    class MyBase{
      @Lazy String test = { 'test' }()
    }
    class TestBaseClass extends MyBase{}
    def tb = new TestBaseClass();

    //Dump the current state to output an assert test hasn't been initialized
    println "Testing @Lazy on a Class.."
    println tb.dump()
    assert tb.dump().contains('test=null') //FOR A CLASS, THIS WILL SUCCEED

    //Access the test property causing initialization
    println "Accessing the test property."
    assert tb.test

    //Dump the current state to output an assert test has now been initialized
    println tb.dump()
    assert tb.test == 'test'

    trait MyTrait{
      @Lazy String test = { 'test' }()
    }
    class TestClass implements MyTrait{}
    def t = new TestClass();

    //Dump the current state to output an assert test hasn't been initialized
    println "\nTesting @Lazy on a Trait.."
    println t.dump()
    assert t.dump().contains('test=null') //FOR A TRAIT, THIS WILL FAIL THE ASSERTION - A BUG?

    //Access the test property causing initialization
    println "Accessing the test property."
    assert t.test

    //Dump the current state to output an assert test has now been initialized
    println t.dump()
    assert t.test == 'test'
{code}




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