The lack of uniform test description language (TDL) is becoming as the constrain to improving the efficiency and reusing the test cases.The traditional TDL what makes equipment and signal as center can not reflect the basic idea of software testing and is not applica ble for building shared knowledge database.Defaults-based software test description language (DBSTDL) is designed for accumulating the test knowledge under the unified description,based on software test information model,by using the classification method and the factor decomposition method.The new TDL is designed around double mainlines software defaults and tested software,containing six types of words,three types or more than 100 sentences,three groups of sentence groups,two types of combination.By DBSTDL,a database of typical software defaults and test cases is created to verifying the thought of establishing database by DBSTDL.The language can be used to establish a unified description standard and provides a standardized means in the field of software testing.%缺乏统一的测试描述语言(TDL)已成为提高测试效率和复用程度的瓶颈;以设备、信号等为核心的传统测试语言不能体现软件测试的基本思想,不适用于建立软件测试“共享知识库”;为实现统一描述标准下的测试知识积累,在软件测试信息模型基础上,面向软件缺陷,采用分类法和因素分解法,围绕缺陷摘要与被测软件信息双重主线,重组软件测试信息,设计了新的测试描述语言(DB-STDL);该语言共包括6类词,3大类100多条基本语句,3组句群,2种主要的语言组合方式,涵盖了测试描述语言的框架和基本内容;应用DBSTDL语育实现了软件典型缺陷与测试样例库,验证了利用DBSTDL语言建库的思想,说明该语言可用于建立统一的软件测试描述标准,提供了规范描述手段.
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