avutil/avstring: improve av_strreplace implement

Use AVBprint to implement av_strreplace
add av_strreplace test case TEST_STRREPLACE

Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/libavutil/tests/avstring.c b/libavutil/tests/avstring.c
index 14bc7ffcea..887bd25a12 100644
--- a/libavutil/tests/avstring.c
+++ b/libavutil/tests/avstring.c
@@ -93,6 +93,22 @@ int main(void)
     TEST_STRNSTR(haystack, needle [2], strlen(haystack), NULL       );
     TEST_STRNSTR(haystack, strings[1], strlen(haystack), haystack   );
 
+    /*Testing av_strireplace()*/
+    #define TEST_STRIREPLACE(haystack, needle, expected) \
+        ptr = av_strireplace(haystack, needle, "instead"); \
+        if (ptr == NULL) { \
+            printf("error, received null pointer!\n"); \
+        } else { \
+            if (strcmp(ptr, expected) != 0) \
+                printf( "expected: %s, received: %s\n", expected, ptr); \
+            av_free(ptr); \
+        }
+
+    TEST_STRIREPLACE(haystack, needle [0], "Education consists mainly in what we have uninstead");
+    TEST_STRIREPLACE(haystack, needle [1], "Education consists mainly in what we have instead");
+    TEST_STRIREPLACE(haystack, needle [2], "Education consists mainly in what we have instead.");
+    TEST_STRIREPLACE(haystack, needle [1], "Education consists mainly in what we have instead");
+
     /*Testing av_d2str()*/
     #define TEST_D2STR(value, expected) \
         if((ptr = av_d2str(value)) == NULL){ \