initial commit

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

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+// ArduinoJson - https://arduinojson.org
+// Copyright © 2014-2025, Benoit BLANCHON
+// MIT License
+
+#include <ArduinoJson/Memory/ResourceManager.hpp>
+#include <ArduinoJson/Memory/ResourceManagerImpl.hpp>
+#include <catch.hpp>
+
+#include "Allocators.hpp"
+
+using namespace ArduinoJson::detail;
+
+TEST_CASE("ResourceManager::size()") {
+  TimebombAllocator timebomb(0);
+  ResourceManager resources(&timebomb);
+
+  SECTION("Initial size is 0") {
+    REQUIRE(0 == resources.size());
+  }
+
+  SECTION("Doesn't grow when allocation of second pool fails") {
+    timebomb.setCountdown(1);
+    for (size_t i = 0; i < ARDUINOJSON_POOL_CAPACITY; i++)
+      resources.allocVariant();
+    size_t size = resources.size();
+
+    resources.allocVariant();
+
+    REQUIRE(size == resources.size());
+  }
+}