libsmf test case

libsmf-test-case.cc

#include "smf.h"
#include <stdio.h>

int main(int argc, char *argv[])
{
    if (argc != 2)
        return 1;

    smf_t *smf = smf_load(argv[1]);
    if (!smf) {
        fprintf(stderr, "cannot load\n");
        return 0;
    }

    // if (char *dec = smf_decode(smf)) {
    //     printf("%s\n", dec);
    //     free(dec);
    // }

    unsigned trackno = 1;
    while (smf_track_t *track = smf_get_track_by_number(smf, trackno)) {
        unsigned evno = 1;
        while (smf_event_t *ev = smf_track_get_event_by_number(track, evno)) {
            // if (char *dec = smf_event_decode(ev)) {
            //     printf("%s\n", dec);
            //     free(dec);
            // }
            evno++;
        }
        ++trackno;
    }

    smf_delete(smf);
    return 0;
}