对于逻辑表达式（buf_c[i]>223 && buf_c[i]＜240 &&i+2＜total_bytes），需要（ ）个测试用例才能完成条件组合覆盖。
- A.2
- B.4
- C.8
- D.16
正确答案及解析
正确答案
解析
多条件覆盖（MCC）/条件组合覆盖：设计足够的测试用例，使得使得每个判定中条件的各种可能组合都至少出现一次。
本题中有3个条件，分布为：buf_c[i]>223 ；buf_c[i]＜240；i+2＜total_bytes，其组合有
种.
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