1 files changed, 38 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/integer.c b/media/ffvpx/libavutil/integer.c
index 890e314dc..6d6855fa1 100644
--- a/media/ffvpx/libavutil/integer.c
+++ b/media/ffvpx/libavutil/integer.c
@@ -164,3 +164,41 @@ int64_t av_i2int(AVInteger a){
     }
     return out;
 }
+
+#ifdef TEST
+
+const uint8_t ff_log2_tab[256]={
+        0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
+        5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
+        6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
+        6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
+        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
+};
+
+int main(void){
+    int64_t a,b;
+
+    for(a=7; a<256*256*256; a+=13215){
+        for(b=3; b<256*256*256; b+=27118){
+            AVInteger ai= av_int2i(a);
+            AVInteger bi= av_int2i(b);
+
+            av_assert0(av_i2int(ai) == a);
+            av_assert0(av_i2int(bi) == b);
+            av_assert0(av_i2int(av_add_i(ai,bi)) == a+b);
+            av_assert0(av_i2int(av_sub_i(ai,bi)) == a-b);
+            av_assert0(av_i2int(av_mul_i(ai,bi)) == a*b);
+            av_assert0(av_i2int(av_shr_i(ai, 9)) == a>>9);
+            av_assert0(av_i2int(av_shr_i(ai,-9)) == a<<9);
+            av_assert0(av_i2int(av_shr_i(ai, 17)) == a>>17);
+            av_assert0(av_i2int(av_shr_i(ai,-17)) == a<<17);
+            av_assert0(av_log2_i(ai) == av_log2(a));
+            av_assert0(av_i2int(av_div_i(ai,bi)) == a/b);
+        }
+    }
+    return 0;
+}
+#endif