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ISO 13209-2 1st Edition, August 15, 2012 Road vehicles — Open Test sequence eXchange format (OTX) — Part 2: Core data model specification and requirements
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Description / Abstract:
This part of ISO 13209 defines the OTX Core requirements and
data model specifications.
The requirements are derived from the use cases described in ISO
13209-1. They are listed in the requirements section which composes
the first major part of this document.
The data model specification aims at an exhaustive definition of
all OTX Core features implemented to satisfy the Core requirements.
Since OTX is designed for describing test sequences, which
themselves represent a kind of program, the Core data model follows
the basic concepts common to most programming languages.
Thus, this part of ISO 13209 establishes rules for syntactical
entities like parameterised procedures, constant and variable
declarations, data types, basic arithmetic, logic and string
operations, flow control statements like loop, branch or return,
simple statements like assignment or procedure call as well as
exception handling mechanisms. Each of these syntactical entities
is accompanied by semantic rules which determine how OTX documents
are to be interpreted. The syntax rules are provided by UML class
diagrams and XML schemas, whereas the semantics are given by UML
activity diagrams and prose definitions.
With respect to documentation use cases, special attention is
paid to defining a specification/realisation concept (which allows
for "hybrid" test sequences: human readable test sequences that are
at the same time machine-readable) and so called floating comments
(which can refer to more than one node of the sequence).
The Core data model does NOT define any statements, expressions
or data types that are dependent on a specific area of
application.