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[SS25] Software Safety
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c) Applying the analysis, what conclusion can you draw for the code snippet given above for line 52 and how does this help your testing goals? (1 Point)Template:<conclusion>
code snippet:
1: SomeClass* x ...
39: if x == NONE
40: x := new SomeClass
41: endif
...52: x.someMethod()
a) Which type of static analysis introduced in the lecture explicitly tracks
possible value ranges of variables to allow for more specific analysis
results. (1 Point)
Template:
<concept_name>
code snippet:
function check(int8_t index, int8_t offset)
{
int8_t array[101];
if (index > 100) index = 100;
array[index] = offset;
}
b) How many test cases would you need to achieve 100% code coverage? Specify
them. (2 Point)
c) Would the 100% code coverage assure you 100% fault coverage? Give an example
of an existing fault if not, or reason why that is the case. (2 Points)
Template:
b)
We need <n> test case(s), it is/they are:
<test_case_1>
...
<test_case_n>
c)
<yes_no>: <reason>
code snippet:
function check(int8_t index, int8_t offset)
a) Given the above function signature, how many test cases do we need to test
its interface entirely? Support your answer by a calculation. (3 Points)
Template:
a)
<reason_for_value_of_variable_1>
...
<reason_for_value_of_variable_n>
<calculation_using_variables1--n> = <number_of_test_cases>
Prior to starting the certification of your developed software you want to create a Safety Case. You have a document specifying the requirements.
To which part of the Safety Case do you assign this artifact?
You are developing a safety-critical software. The implementation phase is just done. The next step on your agenda is to perform the V&V activities on your development.
a) Which two major classes of testing were introduced in the lecture? (2 Points)
b) On which artifact does each of the two classes operate on? (2 Points)
Template:
a) <concept1> and <concept2>
b)
<concept1>: <artifact1>
<concept2>: <artifact2>
Select the correct description for the test phase Module Testing.
Moral behaviors uphold the person's virtues.
Select which of the ethical theories fits to the given description.Moral behaviors are those that satisfy the categorical imperative (e.g.
don't lie, don't kill).
Select which of the ethical theories fits to the given description.