diff --git a/json_test/cdd_tests/json_test/cdd_interpreter.e b/json_test/cdd_tests/json_test/cdd_interpreter.e
new file mode 100644
index 00000000..6460fbd2
--- /dev/null
+++ b/json_test/cdd_tests/json_test/cdd_interpreter.e
@@ -0,0 +1,74 @@
+indexing
+
+	description: "Objects that execute test cases"
+	author: "CDD Tool"
+
+class
+	CDD_INTERPRETER
+
+inherit
+	CDD_ABSTRACT_INTERPRETER
+
+create
+	execute
+feature
+	test_class_instance (a_name: STRING): CDD_TEST_CASE is
+		local
+			i: INTEGER
+			c: CHARACTER
+		do
+			i := 1
+			if a_name /= Void then 
+				if a_name.substring (1, a_name.count).is_equal ("TEST_JSON_OBJECTS") then
+					Result := create {TEST_JSON_OBJECTS}
+				end
+			end
+		end
+
+	test_procedure (a_name: STRING): PROCEDURE [ANY, TUPLE [CDD_TEST_CASE]] is
+		local
+			i: INTEGER
+			c: CHARACTER
+		do
+			i := 1
+			if a_name /= Void then 
+				if a_name.count >= 23 and then a_name.substring (1, 23).is_equal ("TEST_JSON_OBJECTS.test_") then
+					i := i + 23
+					if a_name.count >= i then
+						c := a_name.item (i)
+						i := i + 1
+						inspect c
+						when 'h' then
+							if a_name.count >= 27 and then a_name.substring (25, 27).is_equal ("as_") then
+								i := i + 3
+								if a_name.count >= i then
+									c := a_name.item (i)
+									i := i + 1
+									inspect c
+									when 'n' then
+										if a_name.substring (29, a_name.count).is_equal ("ot_key") then
+											Result := agent {TEST_JSON_OBJECTS}.test_has_not_key
+										end
+									when 'k' then
+										if a_name.substring (29, a_name.count).is_equal ("ey") then
+											Result := agent {TEST_JSON_OBJECTS}.test_has_key
+										end
+									else
+										-- Do nothing.
+									end
+								end
+							end
+						when 'c' then
+							if a_name.substring (25, a_name.count).is_equal ("urrent_keys") then
+								Result := agent {TEST_JSON_OBJECTS}.test_current_keys
+							end
+						else
+							-- Do nothing.
+						end
+					end
+				end
+			end
+		end
+
+
+end
diff --git a/json_test/cdd_tests/json_test/cdd_root_class.e b/json_test/cdd_tests/json_test/cdd_root_class.e
new file mode 100644
index 00000000..fed397e9
--- /dev/null
+++ b/json_test/cdd_tests/json_test/cdd_root_class.e
@@ -0,0 +1,27 @@
+indexing
+
+	description: "Objects that execute test cases"
+	author: "CDD Tool"
+
+class
+	CDD_ROOT_CLASS
+
+create
+	make
+
+feature {NONE} -- Initialization
+
+	make is
+		local
+			l_abstract_test_case: CDD_TEST_CASE
+			l_test_case: TEST_JSON_OBJECTS
+		do
+			create l_test_case
+			l_abstract_test_case := l_test_case
+			l_abstract_test_case.set_up
+			l_test_case.test_has_key
+			l_abstract_test_case.tear_down
+		end
+
+
+end