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libraries/ArduinoJson/extras/tests/JsonDocument/nesting.cpp

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+// ArduinoJson - https://arduinojson.org
+// Copyright © 2014-2025, Benoit BLANCHON
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonDocument::nesting()") {
+  JsonDocument doc;
+
+  SECTION("return 0 if uninitialized") {
+    REQUIRE(doc.nesting() == 0);
+  }
+
+  SECTION("returns 0 for string") {
+    JsonVariant var = doc.to<JsonVariant>();
+    var.set("hello");
+    REQUIRE(doc.nesting() == 0);
+  }
+
+  SECTION("returns 1 for empty object") {
+    doc.to<JsonObject>();
+    REQUIRE(doc.nesting() == 1);
+  }
+
+  SECTION("returns 1 for empty array") {
+    doc.to<JsonArray>();
+    REQUIRE(doc.nesting() == 1);
+  }
+}