Add coverage exclusions for test code.

For some of the code e.g. doing timing measurements there is no
real point in running regression testing on it, thus it should
not be counted against coverage.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

libavutil/adler32.c

@@ -56,6 +56,7 @@ unsigned long av_adler32_update(unsigned long adler, const uint8_t * buf,
 }
 
 #ifdef TEST
+// LCOV_EXCL_START
 #include <string.h>
 #include "log.h"
 #include "timer.h"
@@ -84,4 +85,5 @@ int main(int argc, char **argv)
     av_log(NULL, AV_LOG_DEBUG, "%X (expected 50E6E508)\n", checksum);
     return checksum == 0x50e6e508 ? 0 : 1;
 }
+// LCOV_EXCL_STOP
 #endif

libavutil/aes.c

@@ -259,6 +259,7 @@ int av_aes_init(AVAES *a, const uint8_t *key, int key_bits, int decrypt)
 }
 
 #ifdef TEST
+// LCOV_EXCL_START
 #include <string.h>
 #include "lfg.h"
 #include "log.h"
@@ -331,4 +332,5 @@ int main(int argc, char **argv)
     }
     return err;
 }
+// LCOV_EXCL_STOP
 #endif

libavutil/base64.c

@@ -100,6 +100,7 @@ char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size)
 }
 
 #ifdef TEST
+// LCOV_EXCL_START
 
 #undef printf
 
@@ -161,4 +162,5 @@ int main(void)
     return error_count;
 }
 
+// LCOV_EXCL_STOP
 #endif

libavutil/des.c

@@ -337,6 +337,7 @@ void av_des_mac(AVDES *d, uint8_t *dst, const uint8_t *src, int count) {
 }
 
 #ifdef TEST
+// LCOV_EXCL_START
 #undef printf
 #undef rand
 #undef srand
@@ -443,4 +444,5 @@ int main(void) {
 #endif
     return 0;
 }
+// LCOV_EXCL_STOP
 #endif

libavutil/eval.c

@@ -579,6 +579,7 @@ int av_expr_parse_and_eval(double *d, const char *s,
 }
 
 #if FF_API_OLD_EVAL_NAMES
+// LCOV_EXCL_START
 int av_parse_expr(AVExpr **expr, const char *s,
                   const char * const *const_names,
                   const char * const *func1_names, double (* const *funcs1)(void *, double),
@@ -608,9 +609,11 @@ void av_free_expr(AVExpr *e)
 {
     av_expr_free(e);
 }
+// LCOV_EXCL_STOP
 #endif /* FF_API_OLD_EVAL_NAMES */
 
 #ifdef TEST
+// LCOV_EXCL_START
 #undef printf
 #include <string.h>
 
@@ -723,4 +726,5 @@ int main(int argc, char **argv)
 
     return 0;
 }
+// LCOV_EXCL_STOP
 #endif