1 files changed, 97 insertions, 0 deletions
diff --git a/libavcodec/tests/golomb.c b/libavcodec/tests/golomb.c
new file mode 100644
index 0000000000..7587402e24
--- /dev/null
+++ b/libavcodec/tests/golomb.c
@@ -0,0 +1,97 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include "libavutil/mem.h"
+
+#include "libavcodec/get_bits.h"
+#include "libavcodec/put_bits.h"
+#include "libavcodec/golomb.h"
+
+#define COUNT 8191
+#define SIZE (COUNT * 4)
+
+int main(void)
+{
+    int i, ret = 0;
+    uint8_t *temp;
+    PutBitContext pb;
+    GetBitContext gb;
+
+    temp = av_malloc(SIZE);
+    if (!temp)
+        return 2;
+
+    init_put_bits(&pb, temp, SIZE);
+    for (i = 0; i < COUNT; i++)
+        set_ue_golomb(&pb, i);
+    flush_put_bits(&pb);
+
+    init_get_bits(&gb, temp, 8 * SIZE);
+    for (i = 0; i < COUNT; i++) {
+        int j, s = show_bits(&gb, 25);
+
+        j = get_ue_golomb(&gb);
+        if (j != i) {
+            fprintf(stderr, "get_ue_golomb: expected %d, got %d. bits: %7x\n",
+                    i, j, s);
+            ret = 1;
+        }
+    }
+
+#define EXTEND(i) (i << 3 | i & 7)
+    init_put_bits(&pb, temp, SIZE);
+    for (i = 0; i < COUNT; i++)
+        set_ue_golomb(&pb, EXTEND(i));
+    flush_put_bits(&pb);
+
+    init_get_bits(&gb, temp, 8 * SIZE);
+    for (i = 0; i < COUNT; i++) {
+        int j, s = show_bits_long(&gb, 32);
+
+        j = get_ue_golomb_long(&gb);
+        if (j != EXTEND(i)) {
+            fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. "
+                    "bits: %8x\n", EXTEND(i), j, s);
+            ret = 1;
+        }
+    }
+
+    init_put_bits(&pb, temp, SIZE);
+    for (i = 0; i < COUNT; i++)
+        set_se_golomb(&pb, i - COUNT / 2);
+    flush_put_bits(&pb);
+
+    init_get_bits(&gb, temp, 8 * SIZE);
+    for (i = 0; i < COUNT; i++) {
+        int j, s = show_bits(&gb, 25);
+
+        j = get_se_golomb(&gb);
+        if (j != i - COUNT / 2) {
+            fprintf(stderr, "get_se_golomb: expected %d, got %d. bits: %7x\n",
+                    i - COUNT / 2, j, s);
+            ret = 1;
+        }
+    }
+
+    av_free(temp);
+
+    return ret;
+}