Renamed JsonBuffer to MemoryPool

test/StaticMemoryPool/size.cpp

@@ -0,0 +1,44 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson/Memory/StaticMemoryPool.hpp>
+#include <catch.hpp>
+
+using namespace ArduinoJson::Internals;
+
+TEST_CASE("StaticMemoryPool::size()") {
+  StaticMemoryPool<64> memoryPool;
+
+  SECTION("Capacity equals template parameter") {
+    REQUIRE(64 == memoryPool.capacity());
+  }
+
+  SECTION("Initial size is 0") {
+    REQUIRE(0 == memoryPool.size());
+  }
+
+  SECTION("Increases after alloc()") {
+    memoryPool.alloc(1);
+    REQUIRE(1U <= memoryPool.size());
+    memoryPool.alloc(1);
+    REQUIRE(2U <= memoryPool.size());
+  }
+
+  SECTION("Doesn't grow when memoryPool is full") {
+    memoryPool.alloc(64);
+    memoryPool.alloc(1);
+    REQUIRE(64 == memoryPool.size());
+  }
+
+  SECTION("Does't grow when memoryPool is too small for alloc") {
+    memoryPool.alloc(65);
+    REQUIRE(0 == memoryPool.size());
+  }
+
+  SECTION("Goes back to zero after clear()") {
+    memoryPool.alloc(1);
+    memoryPool.clear();
+    REQUIRE(0 == memoryPool.size());
+  }
+}