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libraries/ArduinoJson/extras/tests/JsonArray/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("JsonArray::nesting()") {
+  JsonDocument doc;
+  JsonArray arr = doc.to<JsonArray>();
+
+  SECTION("return 0 if uninitialized") {
+    JsonArray unitialized;
+    REQUIRE(unitialized.nesting() == 0);
+  }
+
+  SECTION("returns 1 for empty array") {
+    REQUIRE(arr.nesting() == 1);
+  }
+
+  SECTION("returns 1 for flat array") {
+    arr.add("hello");
+    REQUIRE(arr.nesting() == 1);
+  }
+
+  SECTION("returns 2 with nested array") {
+    arr.add<JsonArray>();
+    REQUIRE(arr.nesting() == 2);
+  }
+
+  SECTION("returns 2 with nested object") {
+    arr.add<JsonObject>();
+    REQUIRE(arr.nesting() == 2);
+  }
+}