--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/join/test/main.cpp	Mon Aug 21 11:31:22 2017 +0200
@@ -0,0 +1,62 @@
+/*
+ * test-join.cpp -- test join function
+ *
+ * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define BOOST_TEST_MODULE "Join"
+#include <boost/test/unit_test.hpp>
+
+#include "join.hpp"
+
+BOOST_AUTO_TEST_CASE(empty)
+{
+    std::string expected = "";
+    std::string result = join<int>({});
+
+    BOOST_REQUIRE_EQUAL(expected, result);
+}
+
+BOOST_AUTO_TEST_CASE(one)
+{
+    std::string expected = "1";
+    std::string result = join({1});
+
+    BOOST_REQUIRE_EQUAL(expected, result);
+}
+
+BOOST_AUTO_TEST_CASE(two)
+{
+    std::string expected = "1:2";
+    std::string result = join({1, 2});
+
+    BOOST_REQUIRE_EQUAL(expected, result);
+}
+
+BOOST_AUTO_TEST_CASE(delimiterString)
+{
+    std::string expected = "1;;2;;3";
+    std::string result = join({1, 2, 3}, ";;");
+
+    BOOST_REQUIRE_EQUAL(expected, result);
+}
+
+BOOST_AUTO_TEST_CASE(delimiterChar)
+{
+    std::string expected = "1@2@3@4";
+    std::string result = join({1, 2, 3, 4}, '@');
+
+    BOOST_REQUIRE_EQUAL(expected, result);
+}