SIST ES 201 873-1 V4.9.1:2017

SLOVENSKI STANDARD
SIST ES 201 873-1 V4.9.1:2017
01-september-2017

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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.

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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 Definitions and abbreviations ......................................................................................................... 16

3.1 Definitions ............................................................................................................................................... 16

3.2 Abbreviations .......................................................................................................................................... 21

4 Introduction .................................................................................................................................... 22

4.0 General .................................................................................................................................................... 22

4.1 The core language and presentation formats ........................................................................................... 22

4.2 Unanimity of the specification ................................................................................................................ 24

4.3 Conformance ........................................................................................................................................... 24

5 Basic language elements ................................................................................................................ 24

5.0 General .................................................................................................................................................... 24

5.1 Identifiers and keywords ......................................................................................................................... 25

5.2 Scope rules .............................................................................................................................................. 25

5.2.0 General ............................................................................................................................................... 25

5.2.1 Scope of formal parameters ............................................................................................................... 28

5.2.2 Uniqueness of identifiers ................................................................................................................... 28

5.3 Ordering of language elements ................................................................................................................ 29

5.4 Parameterization ...................................................................................................................................... 29

5.4.0 General ............................................................................................................................................... 29

5.4.1 Formal parameters ............................................................................................................................. 30

5.4.1.0 General ......................................................................................................................................... 30

5.4.1.1 Formal parameters of kind value .................................................................................................. 30

5.4.1.2 Formal parameters of kind template ............................................................................................. 33

5.4.1.3 Formal parameters of kind timer .................................................................................................. 35

5.4.1.4 Formal parameters of kind port .................................................................................................... 35

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 ............................................................................................................. 43

6.1.1.0 General ......................................................................................................................................... 43

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

6.1.2 Subtyping of basic types .................................................................................................................... 46

6.1.2.0 General ......................................................................................................................................... 46

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

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

6.1.2.3 Ranges .......................................................................................................................................... 47

6.1.2.4 String length restrictions .............................................................................................................. 48

6.1.2.5 Pattern subtyping of character string types .................................................................................. 48

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 ....................................................................... 49

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

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

6.2.1 Record type and values ...................................................................................................................... 51

6.2.1.0 General ......................................................................................................................................... 51

6.2.1.1 Referencing fields of a record type .............................................................................................. 54

6.2.1.2 Optional elements in a record....................................................................................................... 55

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

6.2.2 Set type and values ............................................................................................................................ 56

6.2.2.0 General ......................................................................................................................................... 56

6.2.2.1 Referencing fields of a set type .................................................................................................... 56

6.2.2.2 Optional elements in a set ............................................................................................................ 56

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 ................................................................................................................. 59

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 ................................................................................................................................................ 62

6.2.5.0 General ......................................................................................................................................... 62

6.2.5.1 Referencing fields of a union type ............................................................................................... 63

6.2.5.2 Option and union .......................................................................................................................... 64

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

6.2.6 The anytype ....................................................................................................................................... 65

6.2.7 Arrays ................................................................................................................................................ 65

6.2.8 The default type ................................................................................................................................. 67

6.2.9 Communication port types ................................................................................................................. 67

6.2.10 Component types ............................................................................................................................... 69

6.2.10.1 Component type definition ........................................................................................................... 69

6.2.10.2 Reuse of component types ........................................................................................................... 70

6.2.11 Component references ....................................................................................................................... 72

6.2.12 Addressing entities inside the SUT .................................................................................................... 74

6.2.13 Subtyping of structured types ............................................................................................................ 76

6.2.13.0 General ......................................................................................................................................... 76

6.2.13.1 Length subtyping of record ofs and set ofs .................................................................................. 76

6.2.13.2 List subtyping of structured types and anytype ............................................................................ 77

6.2.13.3 Subtyping of the iterated type of record ofs and set ofs ............................................................... 80

6.2.13.4 Mixing subtyping mechanisms ..................................................................................................... 81

6.3 Type compatibility .................................................................................................................................. 81

6.3.0 General ............................................................................................................................................... 81

6.3.1 Compatibility of non-structured types ............................................................................................... 81

6.3.2 Compatibility of structured types ....................................................................................................... 83

6.3.2.0 General ......................................................................................................................................... 83

6.3.2.1 Compatibility of enumerated types .............................................................................................. 83

6.3.2.2 Compatibility of record and record of types ................................................................................ 83

6.3.2.3 Compatibility of set and set of types ............................................................................................ 84

6.3.2.4 Compatibility of union types ........................................................................................................ 85

6.3.2.5 Compatibility of anytype types .................................................................................................... 86

6.3.2.6 Compatibility between sub-structures .......................................................................................... 87

6.3.3 Compatibility of component types ..................................................................................................... 87

6.3.4 Type compatibility of communication and connection operations .................................................... 88

6.3.5 Type conversion ................................................................................................................................. 88

6.4 Type synonym ......................................................................................................................................... 88

7 Expressions ..................................................................................................................................... 89

7.0 General .................................................................................................................................................... 89

7.1 Operators ................................................................................................................................................. 89

7.1.0 General ............................................................................................................................................... 89

7.1.1 Arithmetic operators .......................................................................................................................... 91

7.1.2 List operator ....................................................................................................................................... 92

7.1.3 Relational operators ........................................................................................................................... 92

7.1.4 Logical operators ............................................................................................................................... 94

7.1.5 Bitwise operators ............................................................................................................................... 95

7.1.6 Shift operators .................................................................................................................................... 96

7.1.7 Rotate operators ................................................................................................................................. 96

7.2 Field references and list ele me nts ............................................................................................................ 97

7.3 Decoded field reference ........................................................................................................................... 97

8 Modules .......................................................................................................................................... 98

8.0 General .................................................................................................................................................... 98

8.1 Definition of a module ............................................................................................................................ 98

8.2 Module definitions part ........................................................................................................................... 99

8.2.0 General ............................................................................................................................................... 99

8.2.1 Module parameters .......................................................................................................................... 100

8.2.2 Groups of definitions ....................................................................................................................... 102

8.2.3 Importing from modules .................................................................................................................. 103

8.2.3.0 General ....................................................................................................................................... 103

8.2.3.1 General format of import ........................................................................................................... 103

8.2.3.2 Importing single definitions ....................................................................................................... 109

8.2.3.3 Importing groups ........................................................................................................................ 110

8.2.3.4 Importing definitions of the same kind ...................................................................................... 111

8.2.3.5 Importing all definitions of a module ......................................................................................... 112

8.2.3.6 Import definitions from other TTCN-3 editions and from non-TTCN-3 modules ..................... 112

8.2.3.7 Importing of import statements from TTCN-3 modules ............................................................ 114

8.2.3.8 Compatibility of language specifications in imports .................................................................. 115

8.2.4 Definition of friend modules ............................................................................................................ 116

8.2.5 Visibility of definitions .................................................................................................................... 116

8.3 Module control part ............................................................................................................................... 118

9 Port types, component types and test configurations ................................................................... 118

9.0 General .................................................................................................................................................. 118

9.1 Communication ports ............................................................................................................................ 119

9.2 Test system interface ............................................................................................................................. 121

10 Declaring constants ...................................................................................................................... 123

11 Declaring variables ....................................................................................................................... 123

11.0 General .................................................................................................................................................. 123

11.1 Value variables ...................................................................................................................................... 124

11.2 Template variables ................................................................................................................................ 125

12 Declaring timers ........................................................................................................................... 126

13 Declaring messages ...................................................................................................................... 127

14 Declaring procedure signatures .................................................................................................... 128

15 Declaring templates ...................................................................................................................... 129

15.0 General .................................................................................................................................................. 129

15.1 Declaring message templates ................................................................................................................ 130

15.2 Declaring signature templates ............................................................................................................... 131

15.3 Global and local templates .................................................................................................................... 133

15.4 In-line Templates ................................................................................................................................... 134

15.5 Modified templates ................................................................................................................................ 135

15.6 Referencing elements of templates or template fields ........................................................................... 138

15.6.0 General ............................................................................................................................................. 138

15.6.1 Referencing individual string elements............................................................................................ 138

15.6.2 Referencing record and set fields .............................................................................................. 138

15.6.3 Referencing record of and set of elements ............................................................................. 139

15.6.4 Referencing signature parameters .................................................................................................... 143

15.6.5 Referencing union alternatives ...................................................................................................... 143

15.7 Template matching mechanisms ........................................................................................................... 144

15.7.0 General ............................................................................................................................................. 144

15.7.1 Specific values ................................................................................................................................. 145

15.7.2 Special symbols that can be used instead of values ......................................................................... 146

15.7.3 Special symbols that can be used inside values ............................................................................... 147

15.7.4 Special symbols which describe attributes of values ....................................................................... 147

15.8 Template Restrictions ............................................................................................................................ 148

15.9 Match Operation .................................................................................................................................... 150

15.10 Valueof Operation ................................................................................................................................. 152

15.11 Concatenating templates of string and list types ................................................................................... 152

16 Functions, altsteps and testcases .................................................................................................. 154