初始化

lib/ArduinoJson/extras/tests/MemoryPool/size.cpp

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+// ArduinoJson - https://arduinojson.org
+// Copyright © 2014-2023, Benoit BLANCHON
+// MIT License
+
+#include <ArduinoJson/Memory/MemoryPool.hpp>
+#include <catch.hpp>
+
+using namespace ArduinoJson::detail;
+
+TEST_CASE("MemoryPool::capacity()") {
+  char buffer[4096];
+  const size_t capacity = 64;
+  MemoryPool pool(buffer, capacity);
+  REQUIRE(capacity == pool.capacity());
+}
+
+TEST_CASE("MemoryPool::size()") {
+  char buffer[4096];
+  MemoryPool pool(buffer, sizeof(buffer));
+
+  SECTION("Initial size is 0") {
+    REQUIRE(0 == pool.size());
+  }
+
+  SECTION("Doesn't grow when memory pool is full") {
+    const size_t variantCount = sizeof(buffer) / sizeof(VariantSlot);
+
+    for (size_t i = 0; i < variantCount; i++)
+      pool.allocVariant();
+    size_t size = pool.size();
+
+    pool.allocVariant();
+
+    REQUIRE(size == pool.size());
+  }
+}