Add list_size() function

Author: adazem009

src/scratch/list_functions.cpp

@@ -32,4 +32,9 @@ extern "C"
     {
         return &list->operator[](index);
     }
+
+    size_t list_size(List *list)
+    {
+        return list->size();
+    }
 }

src/scratch/list_functions.h

@@ -19,6 +19,7 @@ extern "C"
     ValueData *list_insert_empty(List *list, size_t index);
 
     ValueData *list_get_item(List *list, size_t index);
+    size_t list_size(List *list);
 }
 
 } // namespace libscratchcpp

test/scratch_classes/list_functions_test.cpp

@@ -85,3 +85,25 @@ TEST(ListFunctionsTest, GetItem)
     ASSERT_EQ(list_get_item(&list, 3), &list[3]);
     ASSERT_EQ(list_get_item(&list, 4), &list[4]);
 }
+
+TEST(ListFunctionsTest, Size)
+{
+    {
+        List list("", "");
+        list.append("Lorem");
+        list.append("ipsum");
+        list.append("dolor");
+        list.append("sit");
+        list.append("amet");
+
+        ASSERT_EQ(list_size(&list), 5);
+    }
+
+    {
+        List list("", "");
+        list.append("1");
+        list.append("2");
+
+        ASSERT_EQ(list_size(&list), 2);
+    }
+}