1 files changed, 51 insertions, 0 deletions
diff --git a/paludis/util/hashes_TEST.cc b/paludis/util/hashes_TEST.cc
new file mode 100644
index 000000000..46ada4e8f
--- /dev/null
+++ b/paludis/util/hashes_TEST.cc
@@ -0,0 +1,51 @@
+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2011 Ciaran McCreesh
+ *
+ * This file is part of the Paludis package manager. Paludis is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU General
+ * Public License version 2, as published by the Free Software Foundation.
+ *
+ * Paludis 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., 59 Temple
+ * Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <paludis/util/hashes.hh>
+#include <test/test_runner.hh>
+#include <test/test_framework.hh>
+#include <set>
+
+using namespace test;
+using namespace paludis;
+
+namespace test_cases
+{
+    struct HashTupleTest : TestCase
+    {
+        HashTupleTest() : TestCase("hash tuple") { }
+
+        void run()
+        {
+            std::set<std::size_t> hashes;
+
+            for (int x(1) ; x < 20 ; ++x)
+                TEST_CHECK(hashes.insert(Hash<std::tuple<int> >()(std::make_tuple(x))).second);
+
+            for (int x(1) ; x < 20 ; ++x)
+                for (int y(1) ; y < 20 ; ++y)
+                    TEST_CHECK(hashes.insert(Hash<std::tuple<int, int> >()(std::make_tuple(x, y))).second);
+
+            for (int x(1) ; x < 20 ; ++x)
+                for (int y(1) ; y < 20 ; ++y)
+                    TEST_CHECK(hashes.insert(Hash<std::tuple<int, int, int> >()(std::make_tuple(x, y, 42))).second);
+        }
+    } test_hash_tuple;
+}
+