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From "Vera Petrashkova (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-2099) [drlvm][jit] Jitrino/OPT does not reject class with incorrect instance initialization method
Date Wed, 08 Nov 2006 07:06:52 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-2099?page=all ]

Vera Petrashkova updated HARMONY-2099:
--------------------------------------

    Attachment: initTest.zip

initTest.zip contains test source code and class files

> [drlvm][jit] Jitrino/OPT does not reject class with incorrect instance initialization
method
> --------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2099
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2099
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Windows and Linux
>            Reporter: Vera Petrashkova
>         Attachments: initTest.zip
>
>
> According to J2SE VM specifications each instance initialization method except for 
> the instance initialization method directed from the constructor of class Object 
> must call 
>     - either another instance initialization method of this 
>     - an instance initialization method of its direct superclass.
> But Jitrino/OPT does not reject class when its instance initialization method invokes
initialization method of 
> some class which is not superclass of this class.
> The following initTest reproduces the issue. It uses wrongInit class which was created
> from jasmin source code. 
> ------------------initTest.java------------------
> public class initTest { 
>     public static void main(String[] args) throws Exception { 
>         System.out.println("wrongInit class");
>         try {
>              new wrongInit();             
>              System.out.println("Test fails");
>         } catch (VerifyError e ) {
>             System.out.println("Test passes. Expected error was thrown: "+e);
>         } catch (Throwable e ) {
>             System.out.println("Test fails: unexpected error");
>             e.printStackTrace(System.out);
>         }   
>     }
> }
> class initTest_1 {
> }
> ------------------------wrongInit.jj--------------------------
> .class public wrongInit
> .super initTest_1
> ;
> ; initializer
> .method public <init>()V
>    aload_0
> ; invoke <init> method from incorrect class
>    invokespecial java/lang/Object/<init>()V 
>    return
> .end method
> ----------------------------------------------------
> Create wrongInit class 
> java -jar jasmin.jar wrongInit.jj
> or use class file from attachment
> Output on Harmony (Interpreter and Jitrino/JET)
> ================================
> Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or
its licensors, as applicable.
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r471468, (Nov  7 2006), Windows/ia32/msvc 1310, release build
> http://incubator.apache.org/harmony
> wrongInit class
> Test passes. Expected error was thrown: java.lang.VerifyError: (class: wrongInit, method:
<init>()V) Call to wrong initialization method
> Output on Harmony (Jitrino/OPT)
> ==============================
> Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or
its licensors, as applicable.
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r471468, (Nov  7 2006), Windows/ia32/msvc 1310, release build
> http://incubator.apache.org/harmony
> wrongInit class
> Test fails

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