ETSI TS 102 868-2 V1.2.1 (2014-04)

ETSI TS 102 868-2 V1.2.1 (2014-04)






Technical Specification
Intelligent Transport Systems (ITS);
Testing;
Conformance test specifications for
Co-operative Awareness Messages (CAM);
Part 2: Test Suite Structure and Test Purposes (TSS & TP)

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2 ETSI TS 102 868-2 V1.2.1 (2014-04)



Reference
RTS/ITS-0010026
Keywords
ITS, testing, TSS&TP
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3 ETSI TS 102 868-2 V1.2.1 (2014-04)
Contents
Intellectual Property Rights . 4
Foreword . 4
1 Scope . 5
2 References . 5
2.1 Normative references . 5
2.2 Informative references . 5
3 Definitions and abbreviations . 6
3.1 Definitions . 6
3.2 Abbreviations . 6
4 Test Suite Structure (TSS) . 6
4.1 Structure for CAM tests . 6
4.2 Test groups . 6
4.2.1 Root . 7
4.2.2 Groups . 7
4.2.3 Sub-Groups . 7
4.2.4 Categories . 7
5 Test Purposes (TP) . 7
5.1 Introduction . 7
5.1.1 TP definition conventions . 7
5.1.2 TP Identifier naming conventions . 7
5.1.3 Rules for the behaviour description . 8
5.1.4 Sources of TP definitions . 8
5.1.5 Mnemonics for PICS reference . 8
5.2 Test purposes for CAM . 9
5.2.1 Message dissemination . 9
5.2.1.1 Message format . 9
5.2.1.2 Information adaptation . 11
5.2.1.3 Generation frequency . 17
5.2.2 Message processing . 20
Annex A (informative): Bibliography . 21
History . 22

ETSI

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4 ETSI TS 102 868-2 V1.2.1 (2014-04)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://ipr.etsi.org).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Intelligent Transport Systems
(ITS).
The present document is part 2 of a multi-part deliverable covering Conformance test specification for Co-operative
Awareness Messages (CAM) as identified below:
Part 1: "Test requirements and Protocol Implementation Conformance Statement (PICS) proforma";
Part 2: "Test Suite Structure and Test Purposes (TSS & TP)";
Part 3: "Abstract Test Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT)".
ETSI

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5 ETSI TS 102 868-2 V1.2.1 (2014-04)
1 Scope
The present document provides the Test Suite Structure and Test Purposes (TSS & TP) for Co-operative Awareness
Messages (CAM) as defined in EN 302 637-2 [1] in compliance with the relevant requirements and in accordance with
the relevant guidance given in ISO/IEC 9646-7 [6].
The ISO standard for the methodology of conformance testing (ISO/IEC 9646-1 [3] and ISO/IEC 9646-2 [4]) as well as
the ETSI rules for conformance testing (ETS 300 406 [7]) are used as a basis for the test methodology.
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
reference document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are necessary for the application of the present document.
[1] ETSI EN 302 637-2 (V1.3.0): "Intelligent Transport Systems (ITS); Vehicular Communications;
Basic Set of Applications; Part 2: Specification of Cooperative Awareness Basic Service".
[2] ETSI TS 102 868-1 (V1.2.1): "Intelligent Transport Systems (ITS); Testing; Conformance test
specification for Decentralized Environmental Notification Messages (DENM); Part 1: Test
requirements and Protocol Implementation Conformance Statement (PICS) proforma".
[3] ISO/IEC 9646-1 (1994): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework - Part 1: General concepts".
[4] ISO/IEC 9646-2 (1994): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework -- Part 2: Abstract Test Suite specification".
[5] Void.
[6] ISO/IEC 9646-7 (1995): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework - Part 7: Implementation Conformance
Statements".
[7] ETSI ETS 300 406 (1995): "Methods for testing and Specification (MTS); Protocol and profile
conformance testing specifications; Standardization methodology".
[8] Void.
2.2 Informative references
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.1] ETSI EG 202 798 (V1.1.1): "Intelligent Transport Systems (ITS); Testing; Framework for
conformance and interoperability testing".
ETSI

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6 ETSI TS 102 868-2 V1.2.1 (2014-04)
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in EN 302 637-2 [1], ISO/IEC 9646-1 [3] and
in ISO/IEC 9646-7 [6] apply.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACC Adaptive Cruise Contro
BI Invalid Behaviour
BV Valid Behaviour
CA Cooperative Awareness
CAM Co-operative Awareness Messages
CAN Controller Area Network
FMT Message Format
GFQ Generation Frequency
INA INformation Adaptation
ITS Intelligent Transport Systems
IUT Implementation Under Test
LF Low Frequency
MSD Message Dissemination
MSP MesSage Processing
PDU Protocol Data Unit
TP Test Purposes
TSS Test Suite Structure
4 Test Suite Structure (TSS)
4.1 Structure for CAM tests
Table 1 shows the CAM Test Suite Structure (TSS) including its subgroups defined for conformance testing.
Table 1: TSS for CAM
Root Group Sub-Group category
CAM Message Dissemination Valid behaviour
 Message format Valid behaviour
 Information adaptation Valid behaviour
 Generation frequency Valid behaviour
Message processing Valid behaviour

The test suite is structured as a tree with the root defined as CAM. The tree is of rank 3 with the first rank a Group, the
second a Sub-group, and the third a category. The third rank is the standard ISO conformance test categories.
4.2 Test groups
The test suite has a total of four levels. The first level is the root. The second level separates the root into various
functional areas. The third level is the sub-functional areas if necessary. The fourth level is the standard ISO
conformance test categories.
ETSI

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7 ETSI TS 102 868-2 V1.2.1 (2014-04)
4.2.1 Root
The root identify the Co-operative Awareness Messages (CAM) given in EN 302 637-2 [1].
4.2.2 Groups
This level contains two functional areas identified as:
• Message Dissemination
• Message Processing
4.2.3 Sub-Groups
This level contains three sub-functional areas identified only for the Message Dissemination group and defined as:
• Message format
• Information adaptation
• Generation frequency
4.2.4 Categories
This level contains the standard ISO conformance test categories limited to the valid behaviour and the invalid
behaviour.
5 Test Purposes (TP)
5.1 Introduction
5.1.1 TP definition conventions
The TP definition is built according to EG 202 798 [i.1].
5.1.2 TP Identifier naming conventions
The identifier of the TP is built according to table 2.
Table 2: TP naming convention
TP/////
or
Identifier
TP////
when no
= root CAM
= group MSD Message Dissemination
 MSP Message Processing
=sub- group FMT Message Format
 INA Information Adaptation
 GFQ Generation Frequency
= type of testing BV Valid Behaviour tests
 BI Invalid Syntax or Behaviour Tests
= sequential number 01 to 99

ETSI

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8 ETSI TS 102 868-2 V1.2.1 (2014-04)
5.1.3 Rules for the behaviour description
The description of the TP is built according to EG 202 798 [i.1].
The base standards are not using finite state machine concept. As consequence, the test purposes use a generic "Initial
State" that corresponds to a state where the IUT is ready for starting the test execution. Furthermore, the IUT shall be
left in this "Initial State", when the test is completed.
Being in the "Initial State" refers to the starting point of the initial device configuration. There are no pending actions,
no instantiated buffers or variables, which could disturb the execution of a test.
5.1.4 Sources of TP definitions
All TPs are specified according to EN 302 637-2 [1].
5.1.5 Mnemonics for PICS reference
To avoid an update of all TPs when the PICS document is changed, table 3 introduces mnemonics name and the
correspondence with the real PICS item number.
Table 3: Mnemonics for PICS reference
Mnemonic PICS item
PICS_PUBLICTRANS A.12/1 [2]
PICS_SPECIALTRANS A.12/2 [2]
PICS_DANGEROUSGOODS A.12/3 [2]
PICS_ROADWORKS A.12/4 [2]
PICS_RESCUE A.12/5 [2]
PICS_EMERGENCY A.12/6 [2]
PICS_SAFETYCAR A.12/7 [2]
PICS_LOWFREQUENCYCONTAINER A.8/3 [2]
PICS_SPECIALVEHICLECONTAINER A.8/4 [2]
PICS_T_GENCAM A.22//5 [2]
PICS_T_GENCAMDCC A.22//4 [2]
PICS_T_GENCAMMAX A.22//1 [2]
PICS_T_GENCAMMIN A.22//2 [2]

ETSI

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9 ETSI TS 102 868-2 V1.2.1 (2014-04)
5.2 Test purposes for CAM
5.2.1 Message dissemination
5.2.1.1 Message format
TP Id
TP/CAM/MSD/FMT/BV-01
Test objective Check that protocolVersion is set to 1 and messageID is set to 2
Reference EN 302 637-2 [1], clause B.1
PICS Selection
Initial conditions
with {
the IUT being in the "initial state"
}
Expected behaviour
ensure that {
when {
 a CAM is generated
}
then {
 the IUT sends a valid CAM
  containing ITS PDU header
  containing protocolVersion
   indicating value 1
  and containing messageID
   indicating value 2
}

TP Id TP/CAM/MSD/FMT/BV-02
Test objective Check that LF container is included in first CAM since CA basic service activation
Reference
EN 302 637-2 [1], clause 6.1.3
PICS Selection PICS_LOWFREQUENCYCONTAINER
Initial conditions
with {
the IUT being in the "initial state"
and the IUT has not sent any CAM yet
}
Expected behaviour
ensure that {
when {
 a CAM is generated
}
then {
 the IUT sends a valid CAM
  containing cam
  containing camParameters
   containing lowFrequencyContainer
}

ETSI

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10 ETSI TS 102 868-2 V1.2.1 (2014-04)
TP Id TP/CAM/MSD/FMT/BV-03
Test objective Check that LF container is included if time elapsed since the generation of the last CAM with
the low frequency container generation is equal or greater than 500 ms
Reference EN 302 637-2 [1], clause 6.1.3
PICS Selection PICS_LOWFREQUENCYCONTAINER
Initial conditions
with {
the IUT being in the "initial state"
and the IUT has sent a CAM
 containing cam
  containing camParameters
  containing lowFrequencyContainer at time TIME_1
and the IUT has not sent CAM
 containing cam
  containing camParameters
  containing lowFrequencyContainer after TIME_1
}
Expected behaviour
ensure
...