From 781928a58825eba8a3cec10d5f9587e8ed317f71 Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <git@benoitblanchon.fr>
Date: Thu, 10 Mar 2022 15:16:37 +0100
Subject: [PATCH] WIP: is requires a loop

---
 extras/tests/JsonVariant/link.cpp      | 5 +++--
 src/ArduinoJson/Variant/VariantRef.hpp | 7 ++++++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/extras/tests/JsonVariant/link.cpp b/extras/tests/JsonVariant/link.cpp
index cec1f8cb..e8504209 100644
--- a/extras/tests/JsonVariant/link.cpp
+++ b/extras/tests/JsonVariant/link.cpp
@@ -64,8 +64,9 @@ TEST_CASE("Linked document") {
   }
 
   SECTION("is<T>()") {
-    CHECK(doc1.is<JsonObject>() == true);
-    CHECK(doc1.is<JsonArray>() == false);
+    CHECK(doc1.is<JsonArrayConst>() == false);
+    CHECK(doc1.is<JsonObjectConst>() == true);
+    CHECK(doc1.is<JsonObject>() == false);
   }
 
   SECTION("get member") {
diff --git a/src/ArduinoJson/Variant/VariantRef.hpp b/src/ArduinoJson/Variant/VariantRef.hpp
index cd78673a..c48a40fc 100644
--- a/src/ArduinoJson/Variant/VariantRef.hpp
+++ b/src/ArduinoJson/Variant/VariantRef.hpp
@@ -53,7 +53,12 @@ class VariantRefBase : public VariantTag {
   TData *_data;
 
   friend TData *getData(const VariantRefBase &variant) {
-    return variant._data;
+    TData *data = variant._data;
+    if (!data)
+      return 0;
+    while (data->isPointer())
+      data = data->asPointer;  // TODO: test multiple levels
+    return data;
   }
 };