1 files changed, 122 insertions, 0 deletions
diff --git a/tests/version.c b/tests/version.c
new file mode 100644
index 0000000..15c4919
--- /dev/null
+++ b/tests/version.c
@@ -0,0 +1,122 @@
+/* version.c --- Version handling self tests.
+ * Copyright (C) 2019-2022 Free Software Foundation, Inc.
+ *
+ * This file is part of LIBTASN1.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdio.h>		/* printf */
+#include <stdlib.h>		/* EXIT_SUCCESS */
+#include <string.h>		/* strcmp */
+
+/* Get ASN1 prototypes. */
+#include <libtasn1.h>
+
+int
+main (int argc, char *argv[])
+{
+  int exit_code = EXIT_SUCCESS;
+  char out[100];
+  int j;
+  unsigned gvn = ASN1_VERSION_NUMBER;
+  unsigned gvmmp = (ASN1_VERSION_MAJOR << 16)
+    + (ASN1_VERSION_MINOR << 8) + ASN1_VERSION_PATCH;
+
+  printf ("ASN1_VERSION: %s\n", ASN1_VERSION);
+  printf ("ASN1_VERSION_MAJOR: %d\n", ASN1_VERSION_MAJOR);
+  printf ("ASN1_VERSION_MINOR: %d\n", ASN1_VERSION_MINOR);
+  printf ("ASN1_VERSION_PATCH: %d\n", ASN1_VERSION_PATCH);
+  printf ("ASN1_VERSION_NUMBER: %x\n", gvn);
+  printf ("(ASN1_VERSION_MAJOR << 16) + (ASN1_VERSION_MINOR << 8)"
+	  " + ASN1_VERSION_PATCH: %x\n", gvmmp);
+
+  j = snprintf (out, sizeof (out) - 1, "%d.%d.%d", ASN1_VERSION_MAJOR,
+		ASN1_VERSION_MINOR, ASN1_VERSION_PATCH);
+  if (j < 0)
+    {
+      printf ("snprintf failure: %d", j);
+      exit_code = EXIT_FAILURE;
+      out[0] = '\0';
+    }
+
+  if (out[0])
+    printf ("ASN1_VERSION_MAJOR.ASN1_VERSION_MINOR.ASN1_VERSION_PATCH: %s\n",
+	    out);
+
+  printf ("asn1_check_version (NULL): %s\n", asn1_check_version (NULL));
+
+  if (!asn1_check_version (ASN1_VERSION))
+    {
+      printf ("FAIL: asn1_check_version (ASN1_VERSION)\n");
+      exit_code = EXIT_FAILURE;
+    }
+
+  if (!asn1_check_version ("4.17.0"))
+    {
+      printf ("asn1_check_version(4.17.0) failure\n");
+      exit_code = EXIT_FAILURE;
+    }
+
+  if (!asn1_check_version ("4.17"))
+    {
+      printf ("asn1_check_version(4.17) failure\n");
+      exit_code = EXIT_FAILURE;
+    }
+
+  if (strcmp (ASN1_VERSION, asn1_check_version (NULL)) != 0)
+    {
+      printf ("FAIL: strcmp (ASN1_VERSION, asn1_check_version (NULL))\n");
+      exit_code = EXIT_FAILURE;
+    }
+
+  if (ASN1_VERSION_NUMBER != gvn)
+    {
+      printf ("FAIL: ASN1_VERSION_NUMBER != gvn\n");
+      exit_code = EXIT_FAILURE;
+    }
+
+  if (out[0])
+    {
+      if (!asn1_check_version (out))
+	{
+	  printf ("FAIL: asn1_check_version(%s)\n", out);
+	  exit_code = EXIT_FAILURE;
+	}
+
+      /* ASN1_VERSION may look like "1.0.4.10-b872" but the derived string
+         should be "1.0.4" anyway.  */
+      if (strncmp (ASN1_VERSION, out, strlen (out)) != 0)
+	{
+	  printf ("FAIL: strncmp (ASN1_VERSION, %s, strlen (%s))\n", out,
+		  out);
+	  exit_code = EXIT_FAILURE;
+	}
+    }
+
+  if (asn1_check_version ("4711.42.23"))
+    {
+      printf ("FAIL: asn1_check_version(4711.42.23)\n");
+      exit_code = EXIT_FAILURE;
+    }
+
+  if (asn1_check_version ("UNKNOWN"))
+    {
+      printf ("FAIL: asn1_check_version (UNKNOWN)\n");
+      exit_code = EXIT_FAILURE;
+    }
+
+  return exit_code;
+}