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TOPIC: How TTCN helps in PDLC.

How TTCN helps in PDLC. 04 Jan 2010 04:31 #7638

  • Charaku S
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hi,

Many a places it is said that TTCN-3 can be used for PDLC. It can be used
to find the errors in designing, developing and testing stage.
I know by writing scripts we can find bugs during testing stage but how it
is used during development and designing stage and how it finds bugs
during designing and development stage.

Thanks
Charaku Suresh
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How TTCN helps in PDLC. 04 Jan 2010 07:05 #7639

Hi,

these statements are motivated due to the fact that you can use TTCN-3 test systems not only to test your final implementation.

You can use TTCN-3 for example also to test a model, or a simulation, in a stage, where you haven't written perhaps a single of code yet. If you have a proper system design (process) and a test system design, you might even be able to reuse the test functionality from the early phase in the later phases.

In addition TTCN-3 is frequently being used for regression testing of software components, so while you develop your components/system.

Best regards, Theo

Am 04.01.2010 um 05:31 schrieb Charaku S:

> hi,
>
> Many a places it is said that TTCN-3 can be used for PDLC. It can be used
>
> to find the errors in designing, developing and testing stage.
> I know by writing scripts we can find bugs during testing stage but how i
> t
> is used during development and designing stage and how it finds bugs
> during designing and development stage.
>
> Thanks
> Charaku Suresh
The administrator has disabled public write access.

How TTCN helps in PDLC. 05 Jan 2010 03:59 #7640

  • Charaku S
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Thanks,

I heard that some tools will come with automatic generation of TTCN
scripts.
If we design a model then it automatically generates the TTCN scripts
which can be used to test.
Is this correct?
If so do you have any idea about such tools in market? Or else do you know
any such tool for which TTCN scripts can be integrated for testing models?
like MATLAB simulink or UML etc.

I heard Rational systems tester provides this facility. Is it true?

Thanks
Charaku Suresh
Project Leader (Embedded Systems)
Larsen & Toubro Limited



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Re: How TTCN helps in PDLC.






Hi,

these statements are motivated due to the fact that you can use TTCN-3
test systems not only to test your final implementation.

You can use TTCN-3 for example also to test a model, or a simulation, in a
stage, where you haven't written perhaps a single of code yet. If you have
a proper system design (process) and a test system design, you might even
be able to reuse the test functionality from the early phase in the later
phases.

In addition TTCN-3 is frequently being used for regression testing of
software components, so while you develop your components/system.

Best regards, Theo

Am 04.01.2010 um 05:31 schrieb Charaku S:

> hi,
>
> Many a places it is said that TTCN-3 can be used for PDLC. It can be
used
>
> to find the errors in designing, developing and testing stage.
> I know by writing scripts we can find bugs during testing stage but how
i
> t
> is used during development and designing stage and how it finds bugs
> during designing and development stage.
>
> Thanks
> Charaku Suresh
The administrator has disabled public write access.

How TTCN helps in PDLC. 05 Jan 2010 10:38 #7641

Dear Charaku,

As far as I know there are 3 tools on the market that can automatically
generate TTCN-3 scripts from UML models:

(1) There is a test generator from Testing Technologies that generates
TTCN-3 scripts form the test cases modeled using UML
(2) Qtronic by Conformiq and (3) Elvior MOTES generate TTCN-3 scripts from
the UML model of the system.

The difference between Testing Technologies and Conformiq/Elvior solutions
is essential. You need to model your test cases graphically using UML in
Testing Technologies case. Therefore their test generation just transforms
the graphical presentation of test cases into TTCN-3 test script. The
generator itself does not decide which test cases should be created to
achive good enough test coverage.

Conformiq/Elvior approaches generate tests from the system model. The system
model specifies the correct behaviour of the testable system. The test
generation uses heuristics to generate test cases automatically and finally
renders the test cases in TTCN-3 according to the test coverage defined by
the test engineer.

> Or else do you know any such tool for which TTCN scripts can be integrated
for testing models?
> like MATLAB simulink or UML etc.

The tool that executes the TTCN-3 scripts should be integrated to MATLAB
Simulink or other simulator in such case. All TTCN-3 test executives can be
integrated to the simulator tools by building a system adapter between the
TTCN-3 test executive and simulator tool.

-- Andres


On Tue, Jan 5, 2010 at 5:59 AM, Charaku S <This email address is being protected from spambots. You need JavaScript enabled to view it.> wrote:

>
> Thanks,
>
> I heard that some tools will come with automatic generation of TTCN
> scripts.
> If we design a model then it automatically generates the TTCN scripts which
> can be used to test.
> Is this correct?
> If so do you have any idea about such tools in market? Or else do you know
> any such tool for which TTCN scripts can be integrated for testing models?
> like MATLAB simulink or UML etc.
>
> I heard Rational systems tester provides this facility. Is it true?
>
> Thanks
> Charaku Suresh
> Project Leader (Embedded Systems)
> Larsen & Toubro Limited
>
>
> *Theofanis Vassiliou-Gioles <This email address is being protected from spambots. You need JavaScript enabled to view it.>*
> Sent by: "active_ttcn3 : mts stf133 ttcn version 3 - active members only" <
> This email address is being protected from spambots. You need JavaScript enabled to view it.>
>
> 01/04/2010 12:35 PM
> Please respond to
> "active_ttcn3 : mts stf133 ttcn version 3 - active members only"
> <This email address is being protected from spambots. You need JavaScript enabled to view it.>
>
> To
> This email address is being protected from spambots. You need JavaScript enabled to view it.
> cc
> Subject
> Re: How TTCN helps in PDLC.
>
>
>
>
> Hi,
>
> these statements are motivated due to the fact that you can use TTCN-3 test
> systems not only to test your final implementation.
>
> You can use TTCN-3 for example also to test a model, or a simulation, in a
> stage, where you haven't written perhaps a single of code yet. If you have a
> proper system design (process) and a test system design, you might even be
> able to reuse the test functionality from the early phase in the later
> phases.
>
> In addition TTCN-3 is frequently being used for regression testing of
> software components, so while you develop your components/system.
>
> Best regards, Theo
>
> Am 04.01.2010 um 05:31 schrieb Charaku S:
>
> > hi,
> >
> > Many a places it is said that TTCN-3 can be used for PDLC. It can be used
> >
> > to find the errors in designing, developing and testing stage.
> > I know by writing scripts we can find bugs during testing stage but how i
> > t
> > is used during development and designing stage and how it finds bugs
> > during designing and development stage.
> >
> > Thanks
> > Charaku Suresh
>
>
The administrator has disabled public write access.
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