New file.

Rev: src/nettle/testsuite/bignum-test.m4:1.1

testsuite/bignum-test.m4

+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if HAVE_LIBGMP
+#include "bignum.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+static void
+test_bignum(const char *hex, unsigned length, const uint8_t *base256)
+{
+  mpz_t a;
+  mpz_t b;
+  uint8_t *buf;
+  
+  mpz_init_set_str(a, hex, 16);
+  nettle_mpz_init_set_str_256(b, length, base256);
+
+  if (mpz_cmp(a, b))
+    FAIL;
+
+  buf = alloca(length + 1);
+  memset(buf, 17, length + 1);
+
+  nettle_mpz_get_str_256(length, buf, a);
+  if (!MEMEQ(length, buf, base256))
+    FAIL;
+
+  if (buf[length] != 17)
+    FAIL;
+
+  mpz_clear(a); mpz_clear(b);
+}
+#endif /* HAVE_LIBGMP */
+
+BEGIN_TEST
+
+#if HAVE_LIBGMP
+test_bignum("0", 0, "");
+test_bignum("010203040506", 7, H("00010203040506"));
+
+#else /* !HAVE_LIBGMP */
+SKIP
+#endif /* !HAVE_LIBGMP */