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libraries/ArduinoJson/extras/tests/JsonArrayConst/iterator.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::begin()/end()") {
+  SECTION("Non null JsonArrayConst") {
+    JsonDocument doc;
+    JsonArrayConst array = doc.to<JsonArray>();
+    doc.add(12);
+    doc.add(34);
+
+    auto it = array.begin();
+    auto end = array.end();
+
+    REQUIRE(end != it);
+    REQUIRE(12 == it->as<int>());
+    REQUIRE(12 == static_cast<int>(*it));
+    ++it;
+    REQUIRE(end != it);
+    REQUIRE(34 == it->as<int>());
+    REQUIRE(34 == static_cast<int>(*it));
+    ++it;
+    REQUIRE(end == it);
+  }
+
+  SECTION("Null JsonArrayConst") {
+    JsonArrayConst array;
+
+    REQUIRE(array.begin() == array.end());
+  }
+}