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 detailed booklet offers a completely revised and up to date therapy of the TTCN-3 language

TTCN-3 is an the world over standardised try language with a strong textual syntax which has tested itself as an international, common trying out language. program of TTCN-3 has been widened past telecommunication structures to components comparable to the automobile undefined, web protocols, railway signalling, clinical structures, and avionics.

An advent to TTCN-3 supplies an exceptional creation to the TTCN-3 language and its makes use of, guiding readers although the TTCN-3 criteria, methodologies and instruments with examples and recommendation in keeping with the authors' wide real-world event. all of the very important thoughts and constructs of the language are defined in a step by step, educational variety, and the authors relate the checking out language to the general try approach implementation, giving the larger picture.

This moment variation of the booklet 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. moreover, this e-book offers new fabric at the use of XML, try out framework layout and LTE trying out with TTCN-3.

Key Features:

  • Provides a completely revised and updated examine the TTCN-3 language
  • Addresses language standardization, instrument implementation and utilising TTCN-3 in actual global eventualities comparable to VoIP and LTE checking out
  • Explores contemporary advances equivalent to TTCN-3 center language extensions on style parameterization, habit kinds, actual time and function checking out
  • Introduces using ASN.1 and XML with TTCN-3
  • Written by means of specialists within the box
  • Includes an accompanying site containing code samples and hyperlinks to the suitable criteria records (www.wiley.com/go/willcock_ttcn-3_2e)

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

Content:
Chapter 1 creation (pages 1–6):
Chapter 2 TTCN?3 via instance (pages 7–24):
Chapter three uncomplicated 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 information varieties (pages 139–171):
Chapter nine complicated variety themes (pages 173–195):
Chapter 10 Templates (pages 197–219):
Chapter eleven complicated Templates (pages 221–231):
Chapter 12 Extension programs (pages 233–244):
Chapter thirteen TTCN?3 try 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 final strategies and destiny instructions (pages 311–312):

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

Example text

This would allow us to control the presence or absence of entries in the mapping table and would provide us with greater control and diversity over what we are testing. In our example, we use procedure-based communication to manage the local name server by using its available management software interface. We wish to make calls to this interface to put the server in some defined initial state before the tests are initiated. To be able to use procedure-based communication, we first need to define so-called procedure signatures.

If the name server is down or seriously congested for some reason, the test case will still be blocked until a reply comes in, which might never happen. This situation needs to be handled in a better way and can be resolved by using timers. If a timer is started when the DNS question is sent out, we can specify that we require the incoming reply to show up within a given amount of time. 9. A timer called replyTimer is started and set to run for 20 seconds directly after the DNS question is sent.

In many cases, it can be very useful if the allowed value range of a type can be restricted to a certain subset, thus creating a subtype. For example, a byte is an integer value restricted to non-negative values smaller than 256. Creating a subtype results in a new type-definition, which can then be used in the declarations of variables or constants. The type integer and any other ordered type can be subtyped to a range of its values, by specifying an upper and lower bound for the allowed values.

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