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自顶而下渐增测试与自底而上渐增测试各有何优、缺点?

问答题
2021-07-19 08:05
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正确答案
① 自顶而下渐增测试
优点:不需要测试驱动程序,能够在测试阶段的早期实现并验证系统的主要功能,而且能够尽早发现上层模块的接口错误。
缺点:需要存根程序,底层错误发现较晚。
② 自底而上渐增测试
优点与缺点和自顶而下渐增测试相反。
给分标准:优缺点各1分,答对4项即可得满分。

试题解析
① 自顶而下渐增测试
优点:不需要测试驱动程序,能够在测试阶段的早期实现并验证系统的主要功能,而且能够尽早发现上层模块的接口错误。
缺点:需要存根程序,底层错误发现较晚。
② 自底而上渐增测试
优点与缺点和自顶而下渐增测试相反。
给分标准:优缺点各1分,答对4项即可得满分。

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