本文件规定了ETSI TS 129 274[1]中规定的S11接口上GTPv2-C协议测试规范的抽象测试套件（ATS）和部分协议执行额外测试信息（PIXIT）形式，符合相关要求，并符合ISO/IEC 9646-7[5]和ETSI ETS 300 406[6]中给出的相关指南。ATS中使用的测试符号为TTCN-3（见ETSI ES 201 873-1[7]）。以下测试规范和设计注意事项可在本文件正文中找到:总体测试套件结构；测试架构；测试方法和端口定义；测试配置；TTCN风格和惯例；部分PIXIT形式；包含TTCN的模块- 3安非他明类兴奋剂。附录A提供了部分实施额外测试信息（PIXIT）的形式。附录B提供了ATS的抽象测试套件（ATS）部分。

The present document specifies the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) pro forma for the test specifications for GTPv2-C protocol on the S11 interface as specified in ETSI TS 129 274 [1] in compliance with the relevant requirements and in accordance with the relevant guidance given in ISO/IEC 9646-7 [5] and ETSI ETS 300 406 [6].The test notation used in the ATS is TTCN-3 (see ETSI ES 201 873-1 [7]).The following test specification and design considerations can be found in the body of the present document:the overall test suite structure;the testing architecture;the test methods and port definitions;the test configurations;TTCN styles and conventions;the partial PIXIT pro forma;the modules containing the TTCN-3 ATS.Annex A provides the Partial Implementation Extra Information for Testing (PIXIT) Pro forma.Annex B provides the Abstract Test Suite (ATS) part of the ATS.