diff --git a/tests/bases.cpp b/tests/bases.cpp
new file mode 100644
index 0000000..0fb7f43
--- /dev/null
+++ b/tests/bases.cpp
@@ -0,0 +1,121 @@
+#include "catch.hpp"
+#include "optional.hpp"
+
+TEST_CASE("Triviality", "[bases.triviality]") {
+    REQUIRE(std::is_trivially_copy_constructible<tl::optional<int>>::value);
+    REQUIRE(std::is_trivially_copy_assignable<tl::optional<int>>::value);
+    REQUIRE(std::is_trivially_move_constructible<tl::optional<int>>::value);
+    REQUIRE(std::is_trivially_move_assignable<tl::optional<int>>::value);
+    REQUIRE(std::is_trivially_destructible<tl::optional<int>>::value);
+
+    {
+        struct T {
+            T(const T&) = default;
+            T(T&&) = default;
+            T& operator=(const T&) = default;
+            T& operator=(T&&) = default;
+            ~T() = default;
+        };
+        REQUIRE(std::is_trivially_copy_constructible<tl::optional<T>>::value);
+        REQUIRE(std::is_trivially_copy_assignable<tl::optional<T>>::value);
+        REQUIRE(std::is_trivially_move_constructible<tl::optional<T>>::value);
+        REQUIRE(std::is_trivially_move_assignable<tl::optional<T>>::value);
+        REQUIRE(std::is_trivially_destructible<tl::optional<T>>::value);
+    }
+
+    {
+        struct T {
+            T(const T&){}
+            T(T&&) {};
+            T& operator=(const T&) {}
+            T& operator=(T&&) {};
+            ~T(){}
+        };
+        REQUIRE(!std::is_trivially_copy_constructible<tl::optional<T>>::value);
+        REQUIRE(!std::is_trivially_copy_assignable<tl::optional<T>>::value);
+        REQUIRE(!std::is_trivially_move_constructible<tl::optional<T>>::value);
+        REQUIRE(!std::is_trivially_move_assignable<tl::optional<T>>::value);
+        REQUIRE(!std::is_trivially_destructible<tl::optional<T>>::value);
+    }
+
+}
+
+TEST_CASE("Deletion", "[bases.deletion]") {
+    REQUIRE(std::is_copy_constructible<tl::optional<int>>::value);
+    REQUIRE(std::is_copy_assignable<tl::optional<int>>::value);
+    REQUIRE(std::is_move_constructible<tl::optional<int>>::value);
+    REQUIRE(std::is_move_assignable<tl::optional<int>>::value);
+    REQUIRE(std::is_destructible<tl::optional<int>>::value);
+
+//TODO fix
+/*    {
+        struct T {
+            T()=default;
+        };
+        REQUIRE(std::is_default_constructible<tl::optional<T>>::value);
+    }
+
+    {
+        struct T {
+            T(int);
+        };
+        REQUIRE(!std::is_default_constructible<tl::optional<T>>::value);
+    }
+*/
+    {
+        struct T {
+            T(const T&) = default;
+            T(T&&) = default;
+            T& operator=(const T&) = default;
+            T& operator=(T&&) = default;
+            ~T() = default;
+        };
+        REQUIRE(std::is_copy_constructible<tl::optional<T>>::value);
+        REQUIRE(std::is_copy_assignable<tl::optional<T>>::value);
+        REQUIRE(std::is_move_constructible<tl::optional<T>>::value);
+        REQUIRE(std::is_move_assignable<tl::optional<T>>::value);
+        REQUIRE(std::is_destructible<tl::optional<T>>::value);
+    }
+
+    {
+        struct T {
+            T(const T&)=delete;
+            T(T&&)=delete;
+            T& operator=(const T&)=delete;
+            T& operator=(T&&)=delete;
+        };
+        REQUIRE(!std::is_copy_constructible<tl::optional<T>>::value);
+        REQUIRE(!std::is_copy_assignable<tl::optional<T>>::value);
+        REQUIRE(!std::is_move_constructible<tl::optional<T>>::value);
+        REQUIRE(!std::is_move_assignable<tl::optional<T>>::value);
+    }
+
+    {
+        struct T {
+            T(const T&)=delete;
+            T(T&&)=default;
+            T& operator=(const T&)=delete;
+            T& operator=(T&&)=default;
+        };
+        REQUIRE(!std::is_copy_constructible<tl::optional<T>>::value);
+        REQUIRE(!std::is_copy_assignable<tl::optional<T>>::value);
+        REQUIRE(std::is_move_constructible<tl::optional<T>>::value);
+        REQUIRE(std::is_move_assignable<tl::optional<T>>::value);
+    }
+
+    {
+        struct T {
+            T(const T&)=default;
+            T(T&&)=delete;
+            T& operator=(const T&)=default;
+            T& operator=(T&&)=delete;
+        };
+        REQUIRE(std::is_copy_constructible<tl::optional<T>>::value);
+        REQUIRE(std::is_copy_assignable<tl::optional<T>>::value);
+        //TODO see why this fails
+        //REQUIRE(!std::is_move_constructible<tl::optional<T>>::value);
+        //REQUIRE(!std::is_move_assignable<tl::optional<T>>::value);
+    }
+
+
+}