ISO/IEC INTERNATIONAL STANDARD 9646-3 Second edition 1998-11-01 Information technology Open Systems Interconnection -- Conformance testing methodology and framework Part 3: The Tree and Tabular Combined Notation (TTCN) Technologiesdel'informationInterconnexiondesystemesouverts- EssaisdeconformiteMethodologiegeneraleetprocedures Partie3:Notationcombinee,arborescenteettabulaire (TTCN) IEC ISO Referencenumber ISO/IEC 9646-3:1998(E) ISO/IEC 9646-3: 1998 (E) Contents Page 1Scope... 2 Normative references. .1 3 Definitions... 3.1 Basic terms from ISO/IEC 9646-1 3.2 Terms from ISO/IEC 7498-1 3.3 Terms from ISO/IEC 10731 3.4 Terms from ISO/IEC 8824-1 3.5 Terms from ISO/IEC 8825-1 3.6 TTCN specific terms. 4 Abbreviations.. 4.1 Abbreviations defined in ISO/IEC 9646-1. 4.2 Abbreviations defined in ISO/IEC 9646-2 .8 4.3Other abbreviations. .9 5 The syntax forms of TTCN 9 6 Compliance .10 7 Conventions.. .10 7.1 Introduction. .10 7.2 Syntactic metanotation 7.3 TTCN.GR table proformas 7.3.1 Introduction.. .11 7.3.2 Single TTCN object tables. .11 7.3.3 Multiple TTCN object tables . 12 7.3.4 Alternative compact tables. 12 7.3.5 Specification of proformas. .13 7.4 Free Text and Bounded Free Text 13 8 Concurrency in TTCN. ... .13 8.1TestComponents 8.2TestComponentConfigurations. .13 9 TTCN test suite structure. 9.1 Introduction. . 9.2 Test Group References . 9.3 Test Step Group References . .15 9.4 Default Group References. 9.5 Parts of a TTCN test suite. 10 Test Suite Overview. .16 10.1 Introduction... .16 10.2 Test Suite Structure. .16 10.3 Test Case Index. 10.4 Test Step Index . 10.5 Default Index 10.6 Test Suite Exports. .21 10.7 The Import Part. . . . . .22 10.7.1 Introduction 22 10.7.2 Imports. .22 11 Declarations Part . . .24 11.1 Introduction. .24 11.2 TTCN types 11.2.1 Introduction. .24 11.2.2 Predefined TTCN types . . . . .24 11.2.3 Test Suite Type Definitions . .26 ISO/IEC1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and micro- film, without permission in writing from the publisher. ISO/IEC Copyright Office · Case Postale · 56 CH-1211 Geneve 20· Switzerland. Printed in Switzerland. i ISO/IEC 9646-3: 1998 (E) @ISO/IEC 11.3 TTCN operators and TTCN operations 11.3.1 Introduction... . .32 11.3.2 TTCN operators.. 11.3.3 Predefined operations. . : .33 11.3.4 Test Suite Operation definitions and descriptions. . .35 11.4 Test Suite Parameter Declarations . . .40 11.5 Test Case Selection Expression Definitions. .41 11.6 Test Suite Constant Declarations . . .42 11.7 Test Suite Constant Declarations by Reference .43 11.8TTCN variables...... .44 11.8.1 Test Suite Variable Declarations . .44 11.8.2 Binding of Test Suite Variables. 11.8.3Test CaseVariableDeclarations.. 11.8.4 Binding of Test Case Variables . . . . .46 11.9 PCO Type Declaration .46 11.10 PCO Declarations . .47 11.11 CP Declarations .49 11.12 Timer Declarations .50 11.13TestComponentsandConfigurationDeclarations .51 11.13.1 Test Components.......... .51 .53 11.13.2 Test Component Configuration Declarations 11.14 ASP Type Definitions. .. .55 11.14.1 Introduction.... 11.14.2 ASP Type Definitions using tables . . .. 11.14.3 Use of Structured Types within ASP Type Definitions. . ..56 11.14.4 ASP Type Definitions using ASN.1 11.14.5 ASN.1 ASP Type Definitions by Reference 11.15 PDU Type Definitions . .59 11.15.1 Introduction. .59 11.15.2 PDU Type Definitions using tables . : .59 .61 11.15.3 Use of Structured Types within PDU definitions 11.15.4 PDU Type Definitions using ASN.1 . . . .61 11.15.5 ASN.1 PDU Type Definitions by Reference. .63 11.16 Test Suite Encoding Information .. . .64 11.16.1Encoding Definitions. .64 11.16.2 Encoding Variations. .... .65 11.16.3 Invalid Field Encoding Definitions 11.16.4 Application of encoding rules 11.17 CM Type Definitions 11.17.1 Introduction . . ..69 11.17.2 CM Type Definitions using tables. . .69 11.17.3 C