Introduction to Capabilities of TTCN3

• Communication
  • Message Based-Communication
  • Procedure Based Communication
• Concurrency
• Control

TTCN3 Test System Introduction

• TTCN3 Executable
  • MTC . CP . PTC . TSI . PCO
• TCI
  • Test Control. Logging. Codecs
• TRI
  • SUT Adapter. Platform Adapter

The Core language and presentation formats

Basic Language Elements

• Identifiers and keywords
• Scope rules
• element ordering
• Parameterization
  • Formal parameters
  • Actual parameters
• Cyclic definitions

Types and Values

• Basic types and values
  • integer . float
  • boolean
  • verdict
  • bitstring . hexstring . octetstring
  • charstring . universal charstring
• Structured types and values
  • records . record of
  • set . set of
  • enumerated
  • unions
  • anytype
  • Arrays
  • default
  • port . component . address

Expressions

• Operators
  • arithmetic . list . relational . logical . bitwise . shift . rotate
• Field referencing
• Basic Programming statements
  • assignments
  • if-else . select case . label and goto .
  • for loop . while loop . do while loop . break . continue
  • stop . return
  • log

Module Definitions part

• Module Parameters
• Groups of Definitions
• Importing From Modules
  • Importing single definitions
  • Importing groups
  • Importing definitions of same kind
  • Importing all
  • Importing from other TTCN-3 editions
• Definition of friend modules
• Visibility of definitions

Definitionp of Module

Module Control Part

• The execute statement

Componenet types

Communication Ports

• Port types
• Allowed Connections
• Not-Allowed Connections

Constants

Variables

• Value variables . Template variables

Timers

Messages

• Direct Messages
• Messages importing from ASN.1

Procedure signatures

Templates

• Message Templates
• Signature Templates
• Global and Local Templates
• In-line Templates
• Modified Templates
• Referencing
• Template Matching
• Template Restrictions
• Match Operation
• Value of Operation
• Concatenating templates

Functions

• Invoking Functions
• Predefined Functions
• External Functions
• Invoking Functions from specific places

Altsteps

• Invoking altsteps

Test Cases

Mechanism

The With Statement

Display Attributes

Encoding Attributes

Variant Attributes

Extension Attributes

Optional Attributes

Tool : Elvior Test Cast

• https://elvior.com/ttcn-3/

Project Areas

• Telecom:
  • LTE, 5G Core Protocols (S1AP, X2AP, GTPC, GTPU, Diameter)
  • LTE 5G Radio Protocols (NAS, RRC, PDCP, RLC, MAC, PHY)
  • SIP, IMS (SIP, DIAMETER, MGCP)
  • Open RAN Protocols
• Datacom
  • L2 L3 Protocols (EIGRP, BGP, OSPF, RIP, MPLS etc..)
  • Application Protocols
• IOT
  • HTTP, HTTPS
  • MQTT
  • CoAP
  • AMQP
  • M2M Communication Protocol
  • XMPP