1 files changed, 58 insertions, 0 deletions
diff --git a/libavutil/tests/murmur3.c b/libavutil/tests/murmur3.c
new file mode 100644
index 0000000000..b8d6b1feee
--- /dev/null
+++ b/libavutil/tests/murmur3.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2013 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
+#include "libavutil/murmur3.h"
+
+int main(void)
+{
+    int i;
+    uint8_t hash_result[16] = {0};
+    struct AVMurMur3 *ctx = av_murmur3_alloc();
+#if 1
+    uint8_t in[256] = {0};
+    uint8_t *hashes = av_mallocz(256 * 16);
+    for (i = 0; i < 256; i++)
+    {
+        in[i] = i;
+        av_murmur3_init_seeded(ctx, 256 - i);
+        // Note: this actually tests hashing 0 bytes
+        av_murmur3_update(ctx, in, i);
+        av_murmur3_final(ctx, hashes + 16 * i);
+    }
+    av_murmur3_init_seeded(ctx, 0);
+    av_murmur3_update(ctx, hashes, 256 * 16);
+    av_murmur3_final(ctx, hash_result);
+    av_free(hashes);
+    av_freep(&ctx);
+    printf("result: 0x%"PRIx64" 0x%"PRIx64"\n", AV_RL64(hash_result), AV_RL64(hash_result + 8));
+    // official reference value is 32 bit
+    return AV_RL32(hash_result) != 0x6384ba69;
+#else
+    uint8_t *in = av_mallocz(512*1024);
+    av_murmur3_init(ctx);
+    for (i = 0; i < 40*1024; i++)
+        av_murmur3_update(ctx, in, 512*1024);
+    av_murmur3_final(ctx, hash_result);
+    av_free(in);
+    return hash_result[0];
+#endif
+}