1 files changed, 66 insertions, 0 deletions
diff --git a/third_party/crc32c/src/src/crc32c_capi_unittest.c b/third_party/crc32c/src/src/crc32c_capi_unittest.c
new file mode 100644
index 0000000000..c8993a0959
--- /dev/null
+++ b/third_party/crc32c/src/src/crc32c_capi_unittest.c
@@ -0,0 +1,66 @@
+// Copyright 2017 The CRC32C Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+#include "crc32c/crc32c.h"
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main() {
+  /* From rfc3720 section B.4. */
+  uint8_t buf[32];
+
+  memset(buf, 0, sizeof(buf));
+  if ((uint32_t)0x8a9136aa != crc32c_value(buf, sizeof(buf))) {
+    printf("crc32c_value(zeros) test failed\n");
+    return 1;
+  }
+
+  memset(buf, 0xff, sizeof(buf));
+  if ((uint32_t)0x62a8ab43 != crc32c_value(buf, sizeof(buf))) {
+    printf("crc32c_value(0xff) test failed\n");
+    return 1;
+  }
+
+  for (size_t i = 0; i < 32; ++i)
+    buf[i] = (uint8_t)i;
+  if ((uint32_t)0x46dd794e != crc32c_value(buf, sizeof(buf))) {
+    printf("crc32c_value(0..31) test failed\n");
+    return 1;
+  }
+
+  for (size_t i = 0; i < 32; ++i)
+    buf[i] = (uint8_t)(31 - i);
+  if ((uint32_t)0x113fdb5c != crc32c_value(buf, sizeof(buf))) {
+    printf("crc32c_value(31..0) test failed\n");
+    return 1;
+  }
+
+  uint8_t data[48] = {
+      0x01, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
+      0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x18, 0x28, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  };
+  if ((uint32_t)0xd9963a56 != crc32c_value(data, sizeof(data))) {
+    printf("crc32c_value(31..0) test failed\n");
+    return 1;
+  }
+
+  const uint8_t* hello_space_world = (const uint8_t*)"hello world";
+  const uint8_t* hello_space = (const uint8_t*)"hello ";
+  const uint8_t* world = (const uint8_t*)"world";
+
+  if (crc32c_value(hello_space_world, 11) !=
+      crc32c_extend(crc32c_value(hello_space, 6), world, 5)) {
+    printf("crc32c_extend test failed\n");
+    return 1;
+  }
+
+  printf("All tests passed\n");
+  return 0;
+}