SIST ES 201 873-1 V4.12.1:2020

SLOVENSKI STANDARD
SIST ES 201 873-1 V4.12.1:2020
01-julij-2020

Metode za preskušanje in specificiranje (MTS) - 3. različica zapisa preskušanja in

Methods for Testing and Specification (MTS) - The Testing and Test Control Notation

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

The present document may be made available in electronic versions and/or in print. The content of any electronic and/or

print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any

existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI

deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.

Users of the present document should be aware that the document may be subject to revision or change of status.

Information on the current status of this and other ETSI documents is available at

If you find errors in the present document, please send your comment to one of the following services:

No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying

The content of the PDF version shall not be modified without the written authorization of ETSI.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and

oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and

Intellectual Property Rights ...................................................................................................................... 13

Foreword ................................................................................................................................................... 13

Modal verbs terminology .......................................................................................................................... 13

1 Scope .............................................................................................................................................. 14

2 References ...................................................................................................................................... 14

2.1 Normative references .............................................................................................................................. 14

2.2 Informative references ............................................................................................................................. 15

3 Definition of terms, symbols and abbreviations ............................................................................. 16

3.1 Terms ....................................................................................................................................................... 16

3.2 Symbols ................................................................................................................................................... 22

3.3 Abbreviations .......................................................................................................................................... 22

4 Introduction .................................................................................................................................... 23

4.0 General .................................................................................................................................................... 23

4.1 The core language and presentation formats ........................................................................................... 24

4.2 Unanimity of the specification ................................................................................................................ 25

4.3 Conformance ........................................................................................................................................... 25

5 Basic language elements ................................................................................................................ 25

5.0 General .................................................................................................................................................... 25

5.1 Identifiers and keywords ......................................................................................................................... 26

5.2 Scope rules .............................................................................................................................................. 27

5.2.0 General ............................................................................................................................................... 27

5.2.1 Scope of formal parameters ............................................................................................................... 29

5.2.2 Uniqueness of identifiers ................................................................................................................... 29

5.3 Ordering of language elements ................................................................................................................ 30

5.4 Parameterization ...................................................................................................................................... 30

5.4.0 General ............................................................................................................................................... 30

5.4.1 Formal parameters ............................................................................................................................. 31

5.4.1.0 General ......................................................................................................................................... 31

5.4.1.1 Formal parameters of kind value .................................................................................................. 31

5.4.1.2 Formal parameters of kind template ............................................................................................. 34

5.4.2 Actual parameters .............................................................................................................................. 36

5.5 Cyclic Definitions.................................................................................................................................... 41

6 Types and values ............................................................................................................................ 42

6.0 General .................................................................................................................................................... 42

6.1 Basic types and values ............................................................................................................................. 43

6.1.0 Simple basic types and values............................................................................................................ 43

6.1.1 Basic string types and values ............................................................................................................. 44

6.1.1.0 General ......................................................................................................................................... 44

6.1.1.1 Accessing individual string elements ........................................................................................... 46

6.1.2 Subtyping of basic types .................................................................................................................... 47

6.1.2.0 General ......................................................................................................................................... 47

6.1.2.1 Lists of templates ......................................................................................................................... 47

6.1.2.2 Lists of types ................................................................................................................................ 47

6.1.2.3 Ranges .......................................................................................................................................... 48

6.1.2.4 String length restrictions .............................................................................................................. 49

6.1.2.5 Pattern subtyping of character string types .................................................................................. 49

6.1.2.6 Mixing subtyping mechanisms ..................................................................................................... 49

6.1.2.6.1 Mixing patterns, lists and ranges ............................................................................................ 49

6.1.2.6.2 Using length restriction with other constraints ....................................................................... 50

6.2 Structured types and values ..................................................................................................................... 50

6.2.0 General ............................................................................................................................................... 50

6.2.1 Record type and values ...................................................................................................................... 52

6.2.1.0 General ......................................................................................................................................... 52

6.2.1.1 Referencing fields of a record type .............................................................................................. 55

6.2.1.2 Optional elements in a record....................................................................................................... 56

6.2.1.3 Nested type definitions for field types ......................................................................................... 56

6.2.2 Set type and values ............................................................................................................................ 57

6.2.2.0 General ......................................................................................................................................... 57

6.2.2.1 Referencing fields of a set type .................................................................................................... 57

6.2.2.2 Optional elements in a set ............................................................................................................ 57

6.2.2.3 Nested type definition for field types ........................................................................................... 57

6.2.3 Records and sets of single types ........................................................................................................ 57

6.2.3.0 General ......................................................................................................................................... 57

6.2.3.1 Nested type definitions ................................................................................................................. 60

6.2.3.2 Referencing elements of record of and set of types ..................................................................... 60

6.2.4 Enumerated type and values .............................................................................................................. 61

6.2.5 Unions ................................................................................................................................................ 63

6.2.5.0 General ......................................................................................................................................... 63

6.2.5.1 Referencing fields of a union type ............................................................................................... 64

6.2.5.2 Option and union .......................................................................................................................... 65

6.2.5.3 Nested type definition for field types ........................................................................................... 65

6.2.6 The anytype ....................................................................................................................................... 66

6.2.7 Arrays ................................................................................................................................................ 66

6.2.8 The default type ................................................................................................................................. 68

6.2.9 Communication port types ................................................................................................................. 68

6.2.10 Component types ............................................................................................................................... 70

6.2.10.1 Component type definition ........................................................................................................... 70

6.2.10.2 Reuse of component types ........................................................................................................... 71

6.2.11 Component references ....................................................................................................................... 73

6.2.12 Addressing entities inside the SUT .................................................................................................... 75

6.2.13 Subtyping of structured types ............................................................................................................ 77

6.2.13.0 General ......................................................................................................................................... 77

6.2.13.1 Length subtyping of record ofs and set ofs .................................................................................. 77

6.2.13.2 List subtyping of structured types and anytype ............................................................................ 78

6.2.13.3 Subtyping of the iterated type of record ofs and set ofs ............................................................... 81

6.2.13.4 Mixing subtyping mechanisms ..................................................................................................... 82

6.2.14 The timer type .................................................................................................................................... 82

6.2.15 Map types .......................................................................................................................................... 82

6.2.15.0 General ......................................................................................................................................... 82

6.2.15.1 Map Type Definition .................................................................................................................... 82

6.2.15.2 Indexed Assignment Notation ...................................................................................................... 83

6.2.15.3 Unmapping Keys .......................................................................................................................... 83

6.2.15.4 Index Notation .............................................................................................................................. 84

6.2.15.5 Accessing the Keys of a Map ....................................................................................................... 84

6.2.15.6 Accessing the Values of a Map .................................................................................................... 85

6.2.15.7 Referencing of Elements of a Map ............................................................................................... 85

6.2.15.8 Nested type definitions ................................................................................................................. 85

6.2.16 The open type .................................................................................................................................... 85

6.3 Type compatibility .................................................................................................................................. 86

6.3.0 General ............................................................................................................................................... 86

6.3.1 Compatibility of non-structured types ............................................................................................... 86

6.3.2 Compatibility of structured types ....................................................................................................... 88

6.3.2.0 General ......................................................................................................................................... 88

6.3.2.1 Compatibility of enumerated types .............................................................................................. 88

6.3.2.2 Compatibility of record and record of types ................................................................................ 89

6.3.2.3 Compatibility of set and set of types ............................................................................................ 90

6.3.2.4 Compatibility of union types ........................................................................................................ 91

6.3.2.5 Compatibility of anytype types .................................................................................................... 91

6.3.2.6 Compatibility between sub-structures .......................................................................................... 92

6.3.2.7 Compatibility of the open type ..................................................................................................... 92

6.3.3 Compatibility of component types ..................................................................................................... 93

6.3.4 Type compatibility of communication and connection operations .................................................... 93

6.3.5 Type conversion ................................................................................................................................. 94

6.3.6 Type compatibility of port types ........................................................................................................ 94

6.3.7 Type compatibility of timer types ...................................................................................................... 94

6.3.8 Type Compatibility of Map Types ..................................................................................................... 94

6.4 Type synonym ......................................................................................................................................... 94

7 Expressions ..................................................................................................................................... 94

7.0 General .................................................................................................................................................... 94

7.1 Operators ................................................................................................................................................. 95

7.1.0 General ............................................................................................................................................... 95

7.1.1 Arithmetic operators .......................................................................................................................... 97

7.1.2 List operator ....................................................................................................................................... 97

7.1.3 Relational operators ........................................................................................................................... 98

7.1.4 Logical operators ............................................................................................................................. 101

7.1.5 Bitwise operators ............................................................................................................................. 101

7.1.6 Shift operators .................................................................................................................................. 102

7.1.7 Rotate operators ............................................................................................................................... 102

7.1.8 Presence checking operators ............................................................................................................ 103

7.1.8.0 General ....................................................................................................................................... 103

7.1.8.1 The ispresent operator ................................................................................................................ 104

7.1.8.2 The ischosen operator ................................................................................................................ 105

7.1.8.3 The isvalue operator ................................................................................................................... 106

7.1.8.4 The isbound operator.................................................................................................................. 108

7.2 Field references and list ele me nts .......................................................................................................... 109

7.3 Decoded field reference ......................................................................................................................... 109

8 Modules ........................................................................................................................................ 110

8.0 General .................................................................................................................................................. 110

8.1 Definition of a module .......................................................................................................................... 110

8.2 Module definitions part ......................................................................................................................... 111

8.2.0 General ............................................................................................................................................. 111

8.2.1 Module parameters .......................................................................................................................... 112

8.2.2 Groups of definitions ....................................................................................................................... 113

8.2.3 Importing from modules .................................................................................................................. 114

8.2.3.0 General ....................................................................................................................................... 114

8.2.3.1 General format of import ........................................................................................................... 114

8.2.3.2 Importing single definitions ....................................................................................................... 121

8.2.3.3 Importing groups ........................................................................................................................ 122

8.2.3.4 Importing definitions of the same kind ...................................................................................... 123

8.2.3.5 Importing all definitions of a module ......................................................................................... 123

8.2.3.6 Import definitions from other TTCN-3 editions and from non-TTCN-3 modules ..................... 124

8.2.3.7 Importing of import statements from TTCN-3 modules ............................................................ 126

8.2.3.8 Compatibility of language specifications in imports .................................................................. 127

8.2.4 Definition of friend modules ............................................................................................................ 128

8.2.5 Visibility of definitions .................................................................................................................... 128

8.3 Module control part ............................................................................................................................... 130

9 Port types, component types and test configurations ................................................................... 131

9.0 General .................................................................................................................................................. 131

9.1 Communication ports ............................................................................................................................ 131

9.2 Test system interface ............................................................................................................................. 134

10 Declaring constants ...................................................................................................................... 136

11 Declaring variables ....................................................................................................................... 136

11.0 General .................................................................................................................................................. 136

11.1 Value variables ...................................................................................................................................... 137

11.2 Template variables ................................................................................................................................ 138

12 Declaring timers ........................................................................................................................... 139

13 Declaring messages ...................................................................................................................... 140

14 Declaring procedure signatures .................................................................................................... 141

15 Declaring templates ...................................................................................................................... 142

15.0 General .................................................................................................................................................. 142

15.1 Declaring message templates ................................................................................................................ 143

15.2 Declaring signature templates ............................................................................................................... 145