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Troubleshooting
document
2019-10-02 Actual Value in User Code
Question: When I have an expected result in user code, the report only shows matched or fail. When it fails I need to know the actual value of the result. Answer: There is an undocumented test harness function which allows this to happen. As an example we have in file uut.c the function...
2019-10-02 rating Views: 341
document
2019-10-02 Testing Global Variables
Question: When are global variables tested? Answer: There are differences between expected results on function parameters/returns and globals, when applied to a list of expected results: For a function stub. It is when the stub function is called. For a global the test harness does not...
2019-10-02 rating Views: 308
document
2019-10-02 Error: Call to malloc failed. Memory exhausted.
Question: Why does my test fail with an error indicating memory exhausted? Answer: When a pointer is used that points to a structure outside of the area that VectorCAST has allocated, this causes a behavior that is compiler dependent and thus unpredictable because the heap allocation...
2019-10-02 rating Views: 249
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2019-10-02 Test Harness Works with MinGW But Not with IAR
Question: Why does a test harness work with MinGW and crash with IAR? Answer: VectorCAST does not ensure the test cases are run time safe with C/C++. The C/C++ data types do not give enough information to allow it to do that. Two examples are pointers to unconstrained arrays and casting...
2019-10-02 rating Views: 137
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2019-10-02 Value Definition in Parameter Tree Not Possible
Question: Why am I not allowed to set a my desired negative value in the parameter tree? Answer: VectorCAST needs definitions for INT_MIN and INT_MAX to work out the range of an integer on the target system. These defines are in limits.h. If a customer project has also a limits.h it may...
2019-10-02 rating Views: 52
document
2019-10-02 SCR Files Triggered Script Checker of Antivirus Program
When installing VectorCAST it can be important to have the virus checker disabled. The presence of .scr files in our install can trip the script blocker of the virus checker. This may result in access denied messages.
2019-10-02 rating Views: 49
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2019-12-05 VectorCAST Error while Parsing Restrict Keyword
Question: Why do I get a parse error in the form of error: expected a ")" void *memcpy(void *restrict DST, const void *restrict SRC, size_t LEN) attribute(format(memcpy,1,2,3))); while compiling? Answer: It’s likely that the failure appears because VectorCAST has not been told...
2019-12-05 rating Views: 22
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2019-10-24 Clearing Coverage Data after VCAST_DUMP_COVERAGE_DATA
Question: When I call the function: VCAST_DUMP_COVERAGE_DATA() from my application, does VectorCAST clear its internal bit arrays so that subsequent calls to VCAST_DUMP_COVERAGE_DATA() will not generate duplicate data? Answer: No, it does not, if you want to reinitialize the data, then you must...
2019-10-24 rating Views: 14
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2019-10-24 Gathering Coverage Data During Multiprocessing
Question: In our software we use multiprocessing. The software entry point is always the same main-function, which calls different tasks in dependence on the given arguments. If we want to gather coverage information about the main-function we have multiple tasks writing to the same...
2019-10-24 rating Views: 10
document
2019-11-07 Source File or User Code has Changed; Rebuild Environment Before Instrumenting for Code Coverage
Issue: While building a new environment, I see a dialog pop-up indicating that The source file <some fully qualified path to a file in the source tree> or user code for that unit has changed since the environment was built. Rebuild the environment before instrumenting for code...
2019-11-07 rating Views: 10