diff --git a/lib/wf/jsonrpc/test/wf/jsonrpc/test_request.cc b/lib/wf/jsonrpc/test/wf/jsonrpc/test_request.cc
index eb15e91..a8f7986 100644
--- a/lib/wf/jsonrpc/test/wf/jsonrpc/test_request.cc
+++ b/lib/wf/jsonrpc/test/wf/jsonrpc/test_request.cc
@@ -101,3 +101,38 @@ TEST(wf_jsonrpc_request, respond_error)
 
     json_decref(response);
 }
+
+TEST(wf_jsonrpc_request, is_request_object_params)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("some_method"));
+    json_object_set_new(request, "params", json_object());
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_TRUE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_request, is_request_fail_missing_params)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("some_method"));
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}
+
+TEST(wf_jsonrpc_request, is_request_fail_params_wrong_type)
+{
+    json_t * request = json_object();
+    json_object_set_new(request, "method", json_string("some_method"));
+    json_object_set_new(request, "params", json_string("invalid_params"));
+    json_object_set_new(request, "id", json_integer(42));
+
+    ASSERT_FALSE(wf_jsonrpc_is_request(request));
+
+    json_decref(request);
+}