List: Add allocatedSizePtr() method

Author: adazem009

include/scratchcpp/list.h

@@ -46,6 +46,12 @@ class LIBSCRATCHCPP_EXPORT List : public Entity
          */
         inline size_t *sizePtr() { return &m_size; }
 
+        /*!
+         * Returns a pointer to the allocated list size.
+         * \note This is used internally by compiled code for various optimizations.
+         */
+        inline const size_t *allocatedSizePtr() const { return m_dataPtr->sizePtr(); }
+
         /*! Returns the list size. */
         inline size_t size() const { return m_size; }
 

test/scratch_classes/list_test.cpp

@@ -62,6 +62,7 @@ TEST(ListTest, SizePtr)
     List list("", "test list");
     ASSERT_TRUE(list.sizePtr());
     ASSERT_EQ(*list.sizePtr(), 0);
+    const size_t *ptr = list.sizePtr();
     ASSERT_TRUE(list.empty());
 
     list.append("Lorem");
@@ -71,6 +72,7 @@ TEST(ListTest, SizePtr)
 
     list.append("dolor");
     ASSERT_EQ(*list.sizePtr(), 3);
+    ASSERT_EQ(list.sizePtr(), ptr);
     ASSERT_FALSE(list.empty());
 
     list.removeAt(0);
@@ -82,6 +84,21 @@ TEST(ListTest, SizePtr)
     ASSERT_EQ(list.size(), 100);
 }
 
+TEST(ListTest, AllocatedSizePtr)
+{
+    List list("", "test list");
+    ASSERT_TRUE(list.allocatedSizePtr());
+    ASSERT_EQ(*list.allocatedSizePtr(), 0);
+    const size_t *ptr = list.allocatedSizePtr();
+
+    list.append("Lorem");
+    list.append("ipsum");
+
+    ASSERT_GT(*list.allocatedSizePtr(), 0);
+    ASSERT_EQ(list.allocatedSizePtr(), ptr);
+    ASSERT_NE(list.allocatedSizePtr(), list.sizePtr());
+}
+
 TEST(ListTest, Size)
 {
     List list("", "test list");