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Date: Fri, 7 Mar 2008 09:53:47 -0800 (PST)
From: "Daniel John Debrunner (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Issue Comment Edited: (DERBY-3445) Make it easier to use the
 EMMA tool to measure the code coverage of the Derby testing
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    [ https://issues.apache.org/jira/browse/DERBY-3445?page=3Dcom.atlassian=
.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1257=
6300#action_12576300 ]=20

djd edited comment on DERBY-3445 at 3/7/08 9:52 AM:
----------------------------------------------------------------------

Thinking a little more I'm not sure the network server removing its securit=
y manager is a good idea. It would allow any code in shutdown hooks to have=
 free use of the jvm.

A better long term solution would be to allow a set of policies to be added=
 into the network server's default set. E.g. could add this policy file  em=
ma.policy:

grant codebase "... path to emma jars" {
   // permissions needed
}

java -jar derbyrun.jar server -additionalPolicy emma.policy start

This would then be logically added into the permission set that Derby insta=
lls automatically.

      was (Author: djd):
    Thinking a little more I'm not sure the network server removing its sec=
urity manager is a good idea. It would allow any code in shutdown hooks to =
have free use of the jvm.

A better long term solution would be to allow a set of policies to be added=
 into the network server's default set. E.g. could add this policy file:

grant codebase "... path to emma jars" {
   // permissions needed
}

This would then be logically added into the permission set that Derby insta=
lls automatically.
 =20
> Make it easier to use the EMMA tool to measure the code coverage of the D=
erby testing
> -------------------------------------------------------------------------=
------------
>
>                 Key: DERBY-3445
>                 URL: https://issues.apache.org/jira/browse/DERBY-3445
>             Project: Derby
>          Issue Type: Improvement
>          Components: Build tools
>            Reporter: Vemund =C3=98stgaard
>            Assignee: Vemund =C3=98stgaard
>         Attachments: 3445-emma-clean-fix-diff, 3445-general-diff, 3445-ge=
neral-diffv2, 3445-singletest-codeline-jars-diff, 3445-singletest-diff, 344=
5-SysinfoLocaleTest-diff, 3445-testspecific-diff, 3445-testspecific-diffv2
>
>
> It is a bit tricky to use EMMA to measure code coverage for the derby tes=
ting.
> Modifications must be made to the source both to avoid problems with the =
SecurityManager and individual tests. It would be good if these modifcation=
s could be done once and for all so that it was easier for anyone to run th=
e tests with EMMA.
> It would also be good to have ant tasks that would make it even easier to=
 run the tests with EMMA.

--=20
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