test: add addrfilt unit test

test/unit/addrfilt.c

@@ -0,0 +1,83 @@
+/*
+ **********************************************************************
+ * Copyright (C) Miroslav Lichvar  2016
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * 
+ **********************************************************************
+ */
+
+#include <addrfilt.c>
+#include <logging.h>
+#include <util.h>
+#include "test.h"
+
+void
+test_unit(void)
+{
+  int i, j, sub, maxsub;
+  IPAddr ip;
+  ADF_AuthTable table;
+
+  table = ADF_CreateTable();
+
+  for (i = 0; i < 100; i++) {
+    for (j = 0; j < 1000; j++) {
+      if (j % 2) {
+        maxsub = 32;
+        get_random_address(&ip, IPADDR_INET4, -1);
+      } else {
+        maxsub = 128;
+        get_random_address(&ip, IPADDR_INET6, -1);
+      }
+
+      DEBUG_LOG(0, "address %s", UTI_IPToString(&ip));
+
+      sub = random() % (maxsub + 1);
+
+      TEST_CHECK(!ADF_IsAllowed(table, &ip));
+      ADF_Allow(table, &ip, sub);
+      TEST_CHECK(ADF_IsAllowed(table, &ip));
+
+      if (sub < maxsub) {
+        swap_address_bit(&ip, sub);
+        TEST_CHECK(ADF_IsAllowed(table, &ip));
+      }
+
+      if (sub > 0) {
+        swap_address_bit(&ip, sub - 1);
+        TEST_CHECK(!ADF_IsAllowed(table, &ip));
+        if (sub % 4 != 1) {
+          ADF_Deny(table, &ip, sub - 1);
+          swap_address_bit(&ip, sub - 1);
+          TEST_CHECK(!ADF_IsAllowed(table, &ip));
+        }
+      }
+
+      if (sub > 4) {
+        ADF_AllowAll(table, &ip, sub - 4);
+        TEST_CHECK(ADF_IsAllowed(table, &ip));
+      }
+
+      ADF_DenyAll(table, &ip, 0);
+    }
+
+    ip.family = IPADDR_INET4;
+    ADF_DenyAll(table, &ip, 0);
+    ip.family = IPADDR_INET6;
+    ADF_DenyAll(table, &ip, 0);
+  }
+
+  ADF_DestroyTable(table);
+}