Add a stub for StaticJsonDocument

extras/tests/Deprecated/StaticJsonDocument.cpp

@@ -0,0 +1,32 @@
+// ArduinoJson - https://arduinojson.org
+// Copyright © 2014-2023, Benoit BLANCHON
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+using ArduinoJson::detail::is_base_of;
+
+TEST_CASE("StaticJsonDocument") {
+  SECTION("is a JsonDocument") {
+    REQUIRE(is_base_of<JsonDocument, StaticJsonDocument<256>>::value == true);
+  }
+
+  SECTION("deserialize / serialize") {
+    StaticJsonDocument<256> doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    REQUIRE(doc.as<std::string>() == "{\"hello\":\"world\"}");
+  }
+
+  SECTION("copy") {
+    StaticJsonDocument<256> doc;
+    doc["hello"] = "world";
+    auto copy = doc;
+    REQUIRE(copy.as<std::string>() == "{\"hello\":\"world\"}");
+  }
+
+  SECTION("capacity") {
+    StaticJsonDocument<256> doc;
+    REQUIRE(doc.capacity() == 256);
+  }
+}