Infrastructure: Switch testing over to Autotest.

[mLib] / hash / t / crc32-test.c

diff --git a/hash/t/crc32-test.c b/hash/t/crc32-test.c
new file mode 100644 (file)
index 0000000..8e6d820
--- /dev/null
+++ b/hash/t/crc32-test.c
@@ -0,0 +1,91 @@
+/* -*-c-*-
+ *
+ * Test driver for CRC
+ *
+ * (c) 2009 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * This file is part of the mLib utilities library.
+ *
+ * mLib is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * mLib 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with mLib; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+/*----- Header files ------------------------------------------------------*/
+
+#include <stdio.h>
+
+#include "crc32.h"
+#include "testrig.h"
+
+/*----- Main code ---------------------------------------------------------*/
+
+static int verify(dstr *v)
+{
+  uint32 h, hh;
+  size_t n;
+  int i, c;
+  const char *p;
+  int ok = 1;
+
+  static const int step[] = { 0, 1, 5, 6, 7, 8, 23, -1 };
+
+  /* --- Set up for using this key --- */
+
+  h = *(uint32 *)v[1].buf;
+
+  /* --- Hash the data a lot --- */
+
+  for (i = 0; step[i] >= 0; i++) {
+    c = step[i];
+    if (!c)
+      hh = crc32(0, v[0].buf, v[0].len);
+    else {
+      hh = 0;
+      p = v[0].buf;
+      n = v[0].len;
+      while (n) {
+       if (c > n) c = n;
+       hh = crc32(hh, p, c);
+       p += c;
+       n -= c;
+      }
+    }
+    if (h != hh) {
+      ok = 0;
+      fprintf(stderr, "\ncrc32 failed\n");
+      fprintf(stderr, "         data = %s\n", v[0].buf);
+      fprintf(stderr, "         step = %d\n", step[i]);
+      fprintf(stderr, "         expected = %08lx\n", (unsigned long)h);
+      fprintf(stderr, "         computed = %08lx\n", (unsigned long)hh);
+    }
+  }
+  return (ok);
+}
+
+static const test_chunk tests[] = {
+  { "hash", verify, { &type_string, &type_uint32 } },
+  { 0, 0, { 0 } }
+};
+
+int main(int argc, char *argv[])
+{
+  test_run(argc, argv, tests, "crc32.in");
+  return (0);
+}
+
+/*----- That's all, folks -------------------------------------------------*/