[jira] Assigned: (HARMONY-4330) [buildtest][vts] Test vm/jvmti/funcs/ClearFieldModif/ClearFieldModif0103/ClearFieldModif0103.xml is incorrect

["Stepan Mishura (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-4330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stepan Mishura reassigned HARMONY-4330:
---------------------------------------

    Assignee: Stepan Mishura

> [buildtest][vts] Test vm/jvmti/funcs/ClearFieldModif/ClearFieldModif0103/ClearFieldModif0103.xml is incorrect
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-4330
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4330
>             Project: Harmony
>          Issue Type: Bug
>          Components: build - test - ci
>            Reporter: Vera Petrashkova
>            Assignee: Stepan Mishura
>         Attachments: ClearFieldModif0103.patch
>
>
> According to J2SE JVMTI specification 
> of ClearFieldModificationWatch method:
>     Cancel a field modification watch previously set by SetFieldModificationWatch, 
>     on the field specified by klass and field.
>     It returns JVMTI_ERROR_NOT_FOUND when the designated field is not being watched for modifications.
> VTS test 
>    vm/jvmti/funcs/ClearFieldModif/ClearFieldModif0103/ClearFieldModif0103.xml
> is incorrect because it invokes SetFieldModificationWatch  and then ClearFieldModificationWatch
> using the same filed. 
> See source code:
> ---------- ClearFieldModif0103.cpp--------------
> void JNICALL callbackException(prms_EXCPT)
> {
>     ...
>     if (!is_needed_field_found(jvmti_env, "ClearFieldModif0103.java", "third_field", &myclass, &myfield, DEBUG_OUT))
>         return;
>     result = jvmti_env->SetFieldModificationWatch(myclass, myfield);   <<<<<<<<<<
>     fprintf(stderr, "\tnative: SetFieldModificationWatch result = %d (must be zero) \n", result);
>     fprintf(stderr, "\tnative: class is %p \n", myclass);
>     fprintf(stderr, "\tnative: field is %p \n", myfield);
>     fflush(stderr);
>     if (result != JVMTI_ERROR_NONE) return;
>     result = jvmti_env->ClearFieldModificationWatch(myclass, myfield); <<<<<<<<<<<
>     fprintf(stderr, "\tnative: ClearFieldModificationWatch result = %d (must be JVMTI_ERROR_NOT_FOUND (41)) \n", result);
>     fprintf(stderr, "\tnative: class is %p \n", myclass);
>     fprintf(stderr, "\tnative: field is %p \n", myfield);
>     fflush(stderr);
>     if (result == JVMTI_ERROR_NOT_FOUND) test = true;
> }
> ------------------------
> As the result the test  fails on Harmony and RI.
> This test should be fixed to call ClearFieldModificationWatch with other than "third_field".

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