ISO 15118-5:2018以抽象测试套件（ATS）的形式规定了符合性测试，该测试套件用于被测系统（SUT），实现电动汽车或供电设备通信控制器（EVCC或SECC），支持基于PLC的高级通信（HLC）和ISO 15118-3规定的基本信令。这些一致性测试规定了对SUT能力和行为的测试，以及对照ISO 15118？3中规定的一致性要求和实施者陈述的SUT实施能力检查所观察到的内容。 ATS内的能力测试检查SUT的可观察能力是否符合ISO 15118？3中定义的静态一致性要求。 ATS的行为测试在ISO 15118-3中定义的所有动态一致性要求范围内以及在SUT的能力范围内（见注1），尽可能彻底地检查实施情况。 测试体系结构与ATS相对应。本部分标准中的一致性测试用例利用该测试架构进行描述，并以TTCN-3核心语言为ISO/OSI物理层和数据链路层（第1层和第2层）指定。ISO 15118-4中描述了ISO/OSI网络层（第3层）及以上的一致性测试用例。 就覆盖范围而言，本文件仅涵盖ISO 15118-3中的规范性章节和要求。 本文件还可以包括参考标准（如IEEE或行业联盟标准）要求的具体测试，只要这些标准与ISO 15118？3实施的一致性相关。然而，如果ISO 15118？3的一致性测试在技术上不需要，则明确不打算将本一致性规范的范围扩大到此类外部标准。此外，本文件中规定的一致性测试不包括性能评估，也不包括实现的稳健性或可靠性。它们不能对抽象服务原语的物理实现、系统如何实现、它如何提供任何请求的服务，以及协议实现的环境进行判断。 此外，本文档中定义的测试用例只考虑通信协议和系统的行为定义ISO 15118？3。不考虑电动汽车供电设备和电动汽车之间的功率流。 注1:实际限制使得不可能定义一个详尽的测试套件，而经济方面的考虑可能会进一步限制测试。因此，本文档的目的是增加不同实现能够互通的可能性。这是通过协议测试套件来验证它们来实现的，从而增加每个实现符合协议规范的信心。 然而，指定的协议测试套件不能保证符合规范，因为它检测错误，而不是它们的缺失。因此，仅对测试套件的一致性不能保证互通。它所做的是让人们相信一个实现具有所需的功能，并且它的行为在典型的通信实例中一致。 注2:本文件与ISO 15118-4中定义的一致性测试存在一些相互依赖性，这些测试是由基础协议规范中的ISO/OSI跨层依赖性（例如睡眠模式）导致的

ISO 15118-5:2018 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 PLC-based High Level Communication (HLC) and Basic Signaling according to ISO 15118？3. These conformance tests specify the testing of capabilities and behaviors of an SUT, as well as checking what is observed against the conformance requirements specified in ISO 15118？3 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？3. The behavior tests of the ATS examine an implementation as thoroughly as is practical over the full range of dynamic conformance requirements defined in ISO 15118？3 and within the capabilities of the SUT (see NOTE 1). A test architecture is described in correspondence to the ATS. The conformance test cases in this part of the standard are described leveraging this test architecture and are specified in TTCN-3 Core Language for the ISO/OSI Physical and Data Link Layers (Layers 1 and 2). The conformance test cases for the ISO/OSI Network Layer (Layer 3) and above are described in ISO 15118？4. In terms of coverage, this document only covers normative sections and requirements in ISO 15118？3. This document can additionally include specific tests for requirements of referenced standards (e.g. IEEE, or industry consortia standards) as long as they are relevant in terms of conformance for implementations according to ISO 15118？3. 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？3. 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 test cases defined in this document only consider the communication protocol and the system's behavior defined ISO 15118？3. Power flow between the EVSE and the EV is not considered. NOTE 1 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. What it does do is give confidence that an implementation has the required capabilities and that its behavior conforms consistently in representative instances of communication. NOTE 2 This document has some interdependencies to the conformance tests defined in ISO 15118？4 which result from ISO/OSI cross layer dependencies in the underlying protocol specification (e.g. for sleep mode)