This document specifies conformance tests in the form of an abstract test suite (ATS) for a system under
test (SUT) implementing an electric-vehicle or supply-equipment communication controller (EVCC or
SECC) with support for WLAN-based high-level communication (HLC) according to ISO 15118-8 and
against the background of ISO 15118-1. These conformance tests specify the testing of capabilities and
behaviours of an SUT, as well as checking what is observed against the conformance requirements
specified in ISO 15118-8 and against what the implementer states the SUT implementation's capabilities
are.
The capability tests within the ATS check that the observable capabilities of the SUT are in accordance
with the static conformance requirements defined in ISO 15118-8. The behaviour tests of the ATS
examine an implementation as thoroughly as practical over the full range of dynamic conformance
requirements defined in ISO 15118-8 and within the capabilities of the SUT (see NOTE below).
A test architecture is described in correspondence to the ATS. The abstract test cases in this document
are described leveraging this test architecture and are specified in descriptive tabular format for the
ISO/OSI physical and data link layers (layers 1 and 2).
In terms of coverage, this document only covers normative sections and requirements in ISO 15118-8.
This document can additionally refer to specific tests for requirements on referenced standards (e.g.
IEEE, or industry consortia standards, like WiFi Alliance) as long as they are relevant in terms of
conformance for implementations according to ISO 15118-8. However, it is explicitly not intended to
widen the scope of this conformance specification to such external standards, if it is not technically
necessary for the purpose of conformance testing for ISO 15118-8. Furthermore, the conformance tests
specified in this document do not include the assessment of performance nor robustness or reliability
of an implementation. They cannot provide judgments on the physical realization of abstract service
primitives, how a system is implemented, how it provides any requested service, nor the environment
of the protocol implementation. Furthermore, the abstract test cases defined in this document only
consider the communication protocol and the system's behaviour defined ISO 15118-8. The power flow
between the EVSE and the EV is not considered.
NOTE Practical limitations make it impossible to define an exhaustive test suite, and economic considerations
can restrict testing even further. Hence, the purpose of this document is to increase the probability that different
implementations are able to interwork. This is achieved by verifying them by means of a protocol test suite,
thereby increasing the confidence that each implementation conforms to the protocol specification. However,
the specified protocol test suite cannot guarantee conformance to the specification since it detects errors rather
than their absence. Thus, conformance to a test suite alone cannot guarantee interworking. Instead, it gives
confidence that an implementation has the required capabilities and that its behaviour conforms consistently in
representative instances of communication.