Moved ancillary files to extras/ (fixes #1011)

extras/tests/MemoryPool/size.cpp

@@ -0,0 +1,58 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2019
+// MIT License
+
+#include <ArduinoJson/Memory/MemoryPool.hpp>
+#include <catch.hpp>
+
+using namespace ARDUINOJSON_NAMESPACE;
+
+char buffer[4096];
+
+TEST_CASE("MemoryPool::capacity()") {
+  const size_t capacity = 64;
+  MemoryPool pool(buffer, capacity);
+  REQUIRE(capacity == pool.capacity());
+}
+
+TEST_CASE("MemoryPool::size()") {
+  MemoryPool pool(buffer, sizeof(buffer));
+
+  SECTION("Initial size is 0") {
+    REQUIRE(0 == pool.size());
+  }
+
+  SECTION("size() == capacity() after allocExpandableString()") {
+    pool.allocExpandableString();
+    REQUIRE(pool.size() == pool.capacity());
+  }
+
+  SECTION("Decreases after freezeString()") {
+    StringSlot a = pool.allocExpandableString();
+    pool.freezeString(a, 1);
+    REQUIRE(pool.size() == JSON_STRING_SIZE(1));
+
+    StringSlot b = pool.allocExpandableString();
+    pool.freezeString(b, 1);
+    REQUIRE(pool.size() == 2 * JSON_STRING_SIZE(1));
+  }
+
+  SECTION("Increases after allocFrozenString()") {
+    pool.allocFrozenString(0);
+    REQUIRE(pool.size() == JSON_STRING_SIZE(0));
+
+    pool.allocFrozenString(0);
+    REQUIRE(pool.size() == 2 * JSON_STRING_SIZE(0));
+  }
+
+  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());
+  }
+}