An Introduction to TTCN-3, Second Edition by Colin Willcock, Thomas Dei?, Stephan Tobies, Stefan Keil,

By Colin Willcock, Thomas Dei?, Stephan Tobies, Stefan Keil, Federico Engler, Stephan Schulz(auth.)

This distinct publication offers an absolutely revised and updated therapy of the TTCN-3 language

TTCN-3 is an across the world standardised try language with a robust textual syntax which has validated itself as a world, common trying out language. software of TTCN-3 has been widened past telecommunication platforms to components equivalent to the automobile undefined, web protocols, railway signalling, clinical structures, and avionics.

An advent to TTCN-3 provides a fantastic advent to the TTCN-3 language and its makes use of, guiding readers notwithstanding the TTCN-3 criteria, methodologies and instruments with examples and recommendation in response to the authors' vast real-world event. the entire vital suggestions and constructs of the language are defined in a step by step, instructional kind, and the authors relate the checking out language to the general try method implementation, giving the larger picture.

This moment version of the publication has been up-to-date and revised to hide the additions, alterations and extensions to the TTCN-3 language because the first model was once released. furthermore, this publication offers new fabric at the use of XML, try framework layout and LTE checking out with TTCN-3.

Key Features:

  • Provides an absolutely revised and updated examine the TTCN-3 language
  • Addresses language standardization, device implementation and utilising TTCN-3 in actual global situations resembling VoIP and LTE trying out
  • Explores fresh advances akin to TTCN-3 middle language extensions on sort parameterization, habit varieties, actual time and function trying out
  • Introduces using ASN.1 and XML with TTCN-3
  • Written through specialists within the box
  • Includes an accompanying site containing code samples and hyperlinks to the correct criteria records (

This publication is a perfect reference for try engineers, software program builders, and criteria execs. Graduate scholars learning telecommunications and software program engineering also will locate this ebook insightful.

Chapter 1 advent (pages 1–6):
Chapter 2 TTCN?3 by way of instance (pages 7–24):
Chapter three simple TTCN?3 (pages 25–44):
Chapter four unmarried part TTCN?3 (pages 45–76):
Chapter five Multi part TTCN?3 (pages 77–98):
Chapter 6 Procedure?Based conversation (pages 99–120):
Chapter 7 Modular TTCN?3 (pages 121–137):
Chapter eight TTCN?3 facts varieties (pages 139–171):
Chapter nine complex sort issues (pages 173–195):
Chapter 10 Templates (pages 197–219):
Chapter eleven complicated Templates (pages 221–231):
Chapter 12 Extension applications (pages 233–244):
Chapter thirteen TTCN?3 attempt platforms in perform (pages 245–261):
Chapter 14 Frameworks (pages 263–270):
Chapter 15 suggestion and Examples (pages 271–299):
Chapter sixteen LTE trying out with TTCN?3 (pages 301–310):
Chapter 17 remaining ideas and destiny instructions (pages 311–312):

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Additional resources for An Introduction to TTCN-3, Second Edition

Example text

With the introduction of subtyping, type compatibility becomes an issue. Generally TTCN-3 requires type compatibility of values in assignments, instantiations, expressions and comparisons. A detailed explanation of type compatibility is given in Chapter 8. For the moment, it suffices to say that a variable can be assigned a value of another type as long as it is of the same root type and the value is within any associated subtype constraints of that variable. For our example, we need a fixed list of host names and IP addresses.

Finally, the logging interface (TCI-TL) can be used to create execution logs. 3 Summary In this introductory chapter, we have highlighted TTCN-3’s two major strengths, its unique and powerful testing concepts and its standardised interfaces. The advanced testing concepts in TTCN-3 such as ports for message- and procedure-based communication, timers, multiple test components, test verdicts and implicit templates matching provide an efficient and abstract way to specify the behaviour of the test systems.

Documenting and understanding which parts of the problem domain need to be tested is an equally important requirement. A test purpose is a description that describes in prose or in some more formal manner (for example message sequence charts (MSCs)) the objectives of a given test. Test purposes can be used both as documentation for individual tests and as guidance for test writers that need to implement tests on the basis of some kind of description. The choice of notation for test purposes is subject to ongoing discussions, but as guidance, it can be useful to remember that the more informal a test purpose description is, the greater is the risk that the description can be interpreted in different ways by different people.

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