diff -r 000000000000 -r 6474c204b198 security/nss/lib/freebl/mpi/tests/mptest-2.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security/nss/lib/freebl/mpi/tests/mptest-2.c	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,53 @@
+/*
+ * Simple test driver for MPI library
+ *
+ * Test 2: Basic addition and subtraction test
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <limits.h>
+
+#include "mpi.h"
+
+int main(int argc, char *argv[])
+{
+  mp_int a, b, c;
+
+  if(argc < 3) {
+    fprintf(stderr, "Usage: %s <a> <b>\n", argv[0]);
+    return 1;
+  }
+
+  printf("Test 2: Basic addition and subtraction\n\n");
+
+  mp_init(&a);
+  mp_init(&b);
+
+  mp_read_radix(&a, argv[1], 10);
+  mp_read_radix(&b, argv[2], 10);
+  printf("a = "); mp_print(&a, stdout); fputc('\n', stdout);
+  printf("b = "); mp_print(&b, stdout); fputc('\n', stdout);
+  
+  mp_init(&c);
+  printf("c = a + b\n");
+
+  mp_add(&a, &b, &c);
+  printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);
+  
+  printf("c = a - b\n");
+  
+  mp_sub(&a, &b, &c);
+  printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);  
+
+  mp_clear(&c);
+  mp_clear(&b);
+  mp_clear(&a);
+
+  return 0;
+}