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libraries/ArduinoJson/extras/tests/JsonArrayConst/size.cpp

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+// ArduinoJson - https://arduinojson.org
+// Copyright © 2014-2025, Benoit BLANCHON
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonArrayConst::size()") {
+  JsonDocument doc;
+  JsonArrayConst array = doc.to<JsonArray>();
+
+  SECTION("returns 0 if unbound") {
+    JsonArrayConst unbound;
+    REQUIRE(0U == unbound.size());
+  }
+
+  SECTION("returns 0 is empty") {
+    REQUIRE(0U == array.size());
+  }
+
+  SECTION("return number of elements") {
+    doc.add("hello");
+    doc.add("world");
+
+    REQUIRE(2U == array.size());
+  }
+}