Index: uspace/lib/cpp/src/internal/test/string.cpp
===================================================================
--- uspace/lib/cpp/src/internal/test/string.cpp	(revision c20cccb64d6a34652b3b33c05e1567417c18c06e)
+++ uspace/lib/cpp/src/internal/test/string.cpp	(revision c20cccb64d6a34652b3b33c05e1567417c18c06e)
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2017 Jaroslav Jindrak
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string>
+#include <initializer_list>
+#include <internal/test/tests.hpp>
+#include <cstdio>
+
+namespace std::test
+{
+    bool string_test::run()
+    {
+        test_construction_and_assignment();
+
+        return true;
+    }
+
+    const char* string_test::name()
+    {
+        return "string";
+    }
+
+    void string_test::test_construction_and_assignment()
+    {
+        const char* check1 = "hello";
+
+        std::string str1{"hello"};
+        test_eq(
+            "size of string",
+            str1.size(), 6ul
+        );
+        test_eq(
+            "initialization from a cstring literal",
+            str1.begin(), str1.end(),
+            check1, check1 + 6
+        );
+
+        std::string str2{str1};
+        test_eq(
+            "copy constructor",
+            str1.begin(), str1.end(),
+            str2.begin(), str2.end()
+        );
+
+        std::string str3{std::move(str1)};
+        test_eq(
+            "move constructor equality",
+            str2.begin(), str2.end(),
+            str3.begin(), str3.end()
+        );
+        test_eq(
+            "move constructor source empty",
+            str1.size(), 0ul
+        );
+
+        std::string str4{};
+        test_eq(
+            "default constrcutor empty",
+            str4.size(), 0ul
+        );
+
+        str4.assign(str3, 2ul, 2ul);
+        test_eq(
+            "assign substring to empty string",
+            str4.begin(), str4.end(),
+            str3.begin() + 2, str3.begin() + 4
+        );
+
+        std::string str5{str3.begin() + 2, str3.begin() + 4};
+        test_eq(
+            "constructor from a pair of iterators",
+            str5.begin(), str5.end(),
+            str3.begin() + 2, str3.begin() + 4
+        );
+    }
+}