Kevin Yu Kevin Yu - 1 year ago 117
C Question

How to test a static function

As applying unit-test to some C code, we run into a problem that some static function can not be called at the test file, without modifying the source code. Is there any simple or reasonable way to overcome this problem?

Answer Source

I have a test harness. In dire cases - like trying to test a static function, I use:

#include "code_under_test.c"
...test framework...

That is, I include the whole of the file containing the function under test in the test harness. It is a last resort - but it works.

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