diff --git a/tests/unittests/tests-hash_string/tests-hash_string.c b/tests/unittests/tests-hash_string/tests-hash_string.c
new file mode 100644
index 0000000000..962a9e6491
--- /dev/null
+++ b/tests/unittests/tests-hash_string/tests-hash_string.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2015 Kushal Singh <kushal.spiderman.singh@gmail.com>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+#include "tests-hash_string.h"
+#include "hash_string.h"
+
+static void test_hash_value(void)
+{
+    TEST_ASSERT_EQUAL_INT(177621, hash_string("0"));
+    TEST_ASSERT_EQUAL_INT(6555485335635392041, hash_string("0123456789abcde-"
+                                                           "0123456789abcde-0123"
+                                                           "456789abcde-01234567"
+                                                           "89abcde-"));
+    TEST_ASSERT_EQUAL_INT(210674770391, hash_string("Frank jagt im komplett"
+                                                    " verwahrlosten Taxi q"
+                                                    "uer durch Bayern"));
+    TEST_ASSERT_EQUAL_INT(249811328611268156, hash_string("12A5B6cd_"));
+    TEST_ASSERT_EQUAL_INT(5381, hash_string(""));
+}
+
+Test *tests_hash_string_tests(void)
+{
+    EMB_UNIT_TESTFIXTURES(fixtures) {
+        new_TestFixture(test_hash_value),
+    };
+
+    EMB_UNIT_TESTCALLER(hash_string_tests, NULL, NULL, fixtures);
+
+    return (Test *)&hash_string_tests;
+}
+
+void tests_hash_string(void)
+{
+    TESTS_RUN(tests_hash_string_tests());
+}
diff --git a/tests/unittests/tests-hash_string/tests-hash_string.h b/tests/unittests/tests-hash_string/tests-hash_string.h
new file mode 100644
index 0000000000..54ee3fdf25
--- /dev/null
+++ b/tests/unittests/tests-hash_string/tests-hash_string.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2015 Kushal Singh <kushal.spiderman.singh@gmail.com>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @addtogroup  unittests
+ * @{
+ *
+ * @file        tests-hash_string.h
+ * @brief       Unittests for the ``hash_string`` module
+ *
+ * @author      Kushal Singh <kushal.spiderman.singh@gmail.com>
+ */
+#ifndef TESTS_HASH_STRING_H_
+#define TESTS_HASH_STRING_H_
+
+#include "embUnit.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   The entry point of this test suite.
+ */
+void tests_hash_string(void);
+
+/**
+ * @brief   Generates tests for hash_string
+ *
+ * @return  embUnit tests if successful, NULL if not.
+ */
+Test *tests_hash_string_tests(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TESTS_HASH_STRING_H_ */
+/** @} */