MC/DC是DO-178B Level A认证标准中规定的,欧美民用航空器强制要求遵守该标准。 MC/DC定义如下: Condition —— a Boolean expression containing no Boolean operators: Decision —— a Boolean expression composed of conditions and zero or more Boolean operators: Modified Condition/Decision Coverage —— ever...
If an expression has N unique conditions, both Unique-Cause MC/DC and Unique-Cause Masking MC/DC require a minimum of N+1 tests. It is not clear whether this is an exact bound.When N<=4, it is always possible to get Unique-Cause MC/DC with N+1 tests. Masking MC/DC requires a ...
Multiple condition coverage (MCC) tests = 216= 65,536. MC/DC: tests = 16 + 1 = 17. Using MC/DC reduces the number of tests needed by 65,519. As demonstrated above, when more complexity is added to a decision, the number of extra test cases required by MCC grows exponentially. This...
The invention discloses an MC/DC coverage rule software testing data generation method based on code conversion, wherein the input is a program to be tested, and the output is a software testing data set satisfying MC/DC coverage rules. The method comprises the steps that (1) the type of...
| MC/DC Coverage for Decision: 33.33% | --- 2| 1|int main(void) { 3| 1| f(0,0,1); 4| 1| f(0,0,0); 5| 1| return 0; 6| 1|} 7| | I guess it would be desirable to (1) let LLVM support masking MC/DC and (2) let gcov support unique-cause...
很多关于这个话题的文章已经被写出来了,你的问题似乎需要使用MC/DC。 有一个由多个条件组成的谓词导致了一个决策。应用于问题中的谓词的著名覆盖准则包括: 决策覆盖:确保总体谓词一次为真,一次为假。 这将导致两个测试用例,例如(T,T,T,T)和(F,T,T,T)。 基本条件覆盖:确保每个条件既为真又为假。 这也可...
This is not a bug. The model coverage tool interprets structural coverage for a model based design. As the name implies, structural information about the design is used to determine when each coverage metric is satisfied.
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:https://en.wikipedia.org/wiki/Modified_condition/decision_coveragehttps://www.youtube.com/watch?v=DivaWCNohdw&t=94sMay I know how complex is it to modify KLEE source code to implement MC/DC test cases?In which part of the source code should I modify it?
Modified condition/decision coverage (MC/DC)n-cubeGray Coderegression testing在開發軟體過程中,隨著程式不斷地被修改,新的測試資料不斷地加入測試套件(test suite),使得測試套件的容量逐漸增加,造成軟體回歸測試(regression testing)所花的時間也變得越來越長。事實上,並不是所有存在於測試套件中的測試資料都必須...