1 files changed, 35 insertions, 0 deletions
diff --git a/libs/kstd/kstd/string.test.cpp b/libs/kstd/kstd/string.test.cpp
index 3fbf6c0c..2de8b513 100644
--- a/libs/kstd/kstd/string.test.cpp
+++ b/libs/kstd/kstd/string.test.cpp
@@ -8,9 +8,11 @@
 #include <algorithm>
 #include <cstring>
 #include <forward_list>
+#include <functional>
 #include <iterator>
 #include <memory>
 #include <sstream>
+#include <string>
 #include <string_view>
 #include <type_traits>
 #include <utility>
@@ -2942,3 +2944,36 @@ SCENARIO("String iteration", "[string]")
     }
   }
 }
+
+SCENARIO("String STL integration", "[string]")
+{
+  GIVEN("An empty string")
+  {
+    auto s = kstd::string{""};
+
+    WHEN("hashing the string")
+    {
+      auto hash_result = std::hash<kstd::string>{}(s);
+
+      THEN("the result is equal to hashing an empty std::string")
+      {
+        REQUIRE(hash_result == std::hash<std::string>{}(""));
+      }
+    }
+  }
+
+  GIVEN("A non-empty string")
+  {
+    auto s = kstd::string{"abcd"};
+
+    WHEN("hashing the string")
+    {
+      auto hash_result = std::hash<kstd::string>{}(s);
+
+      THEN("the result is equal to hashing the same std::string")
+      {
+        REQUIRE(hash_result == std::hash<std::string>{}("abcd"));
+      }
+    }
+  }
+}