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lib_standalone/ArduinoJson/extras/tests/MemberProxy/size.cpp

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+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2020
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+using namespace ARDUINOJSON_NAMESPACE;
+
+TEST_CASE("MemberProxy::size()") {
+  DynamicJsonDocument doc(4096);
+  MemberProxy<JsonDocument&, const char*> mp = doc["hello"];
+
+  SECTION("returns 0") {
+    REQUIRE(mp.size() == 0);
+  }
+
+  SECTION("as an array, return 2") {
+    mp.add(1);
+    mp.add(2);
+
+    REQUIRE(mp.size() == 2);
+  }
+
+  SECTION("as an object, return 2") {
+    mp["a"] = 1;
+    mp["b"] = 2;
+
+    REQUIRE(mp.size() == 2);
+  }
+}