Function Call Counting

Function Call Counting

The idea of once-only code assertions can be generalized to a count. For example, if you want to ensure a function isn't called too many times, use this code:

    yassert_N_times(1000);

Here's the macro, similar to yassert_once, but with a parameter:

    #define yassert_N_times(ntimes)  do { \
            static int s_count = 0; \
                ++s_count; \
                if (s_count > (ntimes)) { \
                aussie_yassert_fail( \
               "Code executed more than " #ntimes " times", \
                                __FILE__, __LINE__); \
                } \
       } while(0)

This checks for too many invocations of the code block. Checking for “too few” is a little trickier, and would need a static smart counter object with a destructor.

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