From fcc28b13556a88af09b31246bc2b08a24acdc3d8 Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <git@benoitblanchon.fr>
Date: Thu, 10 Mar 2022 13:54:13 +0100
Subject: [PATCH] Test memoryUsage()

---
 extras/tests/JsonVariant/memoryUsage.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/extras/tests/JsonVariant/memoryUsage.cpp b/extras/tests/JsonVariant/memoryUsage.cpp
index 59587dbb..0516bc6d 100644
--- a/extras/tests/JsonVariant/memoryUsage.cpp
+++ b/extras/tests/JsonVariant/memoryUsage.cpp
@@ -38,4 +38,12 @@ TEST_CASE("JsonVariant::memoryUsage()") {
     REQUIRE(var.memoryUsage() == 6);
     REQUIRE(var.memoryUsage() == doc.memoryUsage());
   }
+
+  SECTION("ignore size of link document") {
+    StaticJsonDocument<128> doc2;
+    doc2["hello"] = "world";
+    var.add(&doc2);
+    CHECK(var.memoryUsage() == JSON_ARRAY_SIZE(1));
+    CHECK(var.memoryUsage() == doc.memoryUsage());
+  }
 }