C++ Coveralls show that files are covered but they are not

Asked Apr 24 '18 at 10:32

Active Apr 24 '18 at 10:32

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I am using GCC compiler with -g -O0 -fprofile-arcs -ftest-coverage flags. It generates *.gcda files of the source code files which has tests. I am using github.com/eddyxu/cpp-coveralls for coverage upload.

The problem is that Coveralls shows that files are 100% covered but, actually, they are not covered. In this case only src/utils/language.cpp has tests and Coveralls shows proper result.

What should I do that Coveralls could show 0% instead of 100%?

asked Apr 24 '18 at 10:32

Ugnius Malūkas

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That's because, according to coverall, there are no source lines in those modules that generate any code. You can argue that covering all of zero lines of code yields 100 percent coverage. – 500 - Internal Server Error Apr 24 '18 at 11:22
So, am I right by saying this: source code will be covered 0% if it is linked in `tests` executable, otherwise, it will be 100%? – Ugnius Malūkas Apr 24 '18 at 11:53
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Yes, I believe so. – 500 - Internal Server Error Apr 24 '18 at 11:56

C++ Coveralls show that files are covered but they are not

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