diff --git a/src/containers/array/array.c b/src/containers/array/array.c
index c2c1f9e..5492327 100644
--- a/src/containers/array/array.c
+++ b/src/containers/array/array.c
@@ -66,7 +66,7 @@ i32 wapp_i32_array_pop(I32Array *array) {
   return array->items[--(array->count)];
 }
 
-void wapp_i32_array_copy(const I32Array *src, I32Array *dst) {
+void wapp_i32_array_copy_capped(const I32Array *src, I32Array *dst) {
   if (!src || !dst) {
     return;
   }
@@ -90,19 +90,19 @@ I32Array *wapp_i32_array_alloc_capacity(const Allocator *allocator, u64 capacity
   I32Array *array     = NULL;
 
   if (!allocator) {
-    goto RETURN_INT_ARRAY_ALLOC;
+    goto RETURN_I32_ARRAY_ALLOC;
   }
 
   array = wapp_mem_allocator_alloc(allocator, allocation_size);
   if (!array) {
-    goto RETURN_INT_ARRAY_ALLOC;
+    goto RETURN_I32_ARRAY_ALLOC;
   }
 
   array->items    = (i32 *)((u8 *)array + sizeof(I32Array));
   array->count    = 0;
   array->capacity = capacity;
 
-RETURN_INT_ARRAY_ALLOC:
+RETURN_I32_ARRAY_ALLOC:
   return array;
 }
 
@@ -110,7 +110,7 @@ I32Array *wapp_i32_array_append_alloc(const Allocator *allocator, I32Array *arra
   I32Array *output = array;
 
   if (!allocator || !array) {
-    goto RETURN_INT_ARRAY_APPEND_ALLOC;
+    goto RETURN_I32_ARRAY_APPEND_ALLOC;
   }
 
   if (array->count >= array->capacity) {
@@ -118,14 +118,14 @@ I32Array *wapp_i32_array_append_alloc(const Allocator *allocator, I32Array *arra
     output           = wapp_i32_array_alloc_capacity(allocator, new_capacity);
     if (!output) {
       output = array;
-      goto RETURN_INT_ARRAY_APPEND_ALLOC;
+      goto RETURN_I32_ARRAY_APPEND_ALLOC;
     }
-    wapp_i32_array_copy(array, output);
+    wapp_i32_array_copy_capped(array, output);
   }
 
   wapp_i32_array_append_capped(output, item);
 
-RETURN_INT_ARRAY_APPEND_ALLOC:
+RETURN_I32_ARRAY_APPEND_ALLOC:
   return output;
 }
 
@@ -133,7 +133,7 @@ I32Array *wapp_i32_array_extend_alloc(const Allocator *allocator, I32Array *arra
   I32Array *output = array;
 
   if (!allocator || !array || !other) {
-    goto RETURN_INT_ARRAY_EXTEND_ALLOC;
+    goto RETURN_I32_ARRAY_EXTEND_ALLOC;
   }
 
   u64 remaining_capacity = array->capacity - array->count;
@@ -142,13 +142,36 @@ I32Array *wapp_i32_array_extend_alloc(const Allocator *allocator, I32Array *arra
     output           = wapp_i32_array_alloc_capacity(allocator, new_capacity);
     if (!output) {
       output = array;
-      goto RETURN_INT_ARRAY_EXTEND_ALLOC;
+      goto RETURN_I32_ARRAY_EXTEND_ALLOC;
     }
-    wapp_i32_array_copy(array, output);
+    wapp_i32_array_copy_capped(array, output);
   }
 
   wapp_i32_array_extend_capped(output, other);
 
-RETURN_INT_ARRAY_EXTEND_ALLOC:
+RETURN_I32_ARRAY_EXTEND_ALLOC:
+  return output;
+}
+
+I32Array *wapp_i32_array_copy_alloc(const Allocator *allocator, const I32Array *src, I32Array *dst) {
+  I32Array *output = dst;
+
+  if (!allocator || !src || !dst) {
+    goto RETURN_I32_ARRAY_COPY_ALLOC;
+  }
+
+  if (src->count >= dst->capacity) {
+    u64 new_capacity = wapp_misc_utils_u64_round_up_pow2(dst->capacity * 2);
+    output           = wapp_i32_array_alloc_capacity(allocator, new_capacity);
+    if (!output) {
+      output = dst;
+      goto RETURN_I32_ARRAY_COPY_ALLOC;
+    }
+  }
+
+  wapp_i32_array_clear(output);
+  wapp_i32_array_copy_capped(src, output);
+
+RETURN_I32_ARRAY_COPY_ALLOC:
   return output;
 }
diff --git a/src/containers/array/array.h b/src/containers/array/array.h
index 3748324..5f8ec07 100644
--- a/src/containers/array/array.h
+++ b/src/containers/array/array.h
@@ -30,11 +30,12 @@ void wapp_i32_array_append_capped(I32Array *array, i32 item);
 void wapp_i32_array_extend_capped(I32Array *array, const I32Array *other);
 void wapp_i32_array_clear(I32Array *array);
 i32  wapp_i32_array_pop(I32Array *array);
-void wapp_i32_array_copy(const I32Array *src, I32Array *dst);
+void wapp_i32_array_copy_capped(const I32Array *src, I32Array *dst);
 
 I32Array *wapp_i32_array_alloc_capacity(const Allocator *allocator, u64 capacity);
 I32Array *wapp_i32_array_append_alloc(const Allocator *allocator, I32Array *array, i32 item);
 I32Array *wapp_i32_array_extend_alloc(const Allocator *allocator, I32Array *array, const I32Array *other);
+I32Array *wapp_i32_array_copy_alloc(const Allocator *allocator, const I32Array *src, I32Array *dst);
 
 #ifdef WAPP_PLATFORM_CPP
 END_C_LINKAGE
diff --git a/tests/array/test_i32_array.c b/tests/array/test_i32_array.c
index 8d56e53..535ce44 100644
--- a/tests/array/test_i32_array.c
+++ b/tests/array/test_i32_array.c
@@ -122,3 +122,108 @@ TestFuncResult test_i32_array_pop(void) {
 
   return wapp_tester_result(result);
 }
+
+TestFuncResult test_i32_array_copy_capped(void) {
+  bool result;
+
+  I32Array src  = wapp_i32_array(1, 2, 3, 4, 5);
+  I32Array dst1 = wapp_i32_array(1, 2, 3, 4, 5, 6);
+  I32Array dst2 = wapp_i32_array(1, 2);
+
+  u64 expected_count = 5;
+  wapp_i32_array_copy_capped(&src, &dst1);
+  result = dst1.count == expected_count;
+  for (u64 i = 0; i < expected_count; ++i) {
+    result = result && (*wapp_i32_array_get(&src, i) == *wapp_i32_array_get(&dst1, i));
+  }
+
+  expected_count = 4;
+  wapp_i32_array_copy_capped(&src, &dst2);
+  result = result && dst2.count == expected_count;
+  for (u64 i = 0; i < expected_count; ++i) {
+    result = result && (*wapp_i32_array_get(&src, i) == *wapp_i32_array_get(&dst2, i));
+  }
+
+  return wapp_tester_result(result);
+}
+
+TestFuncResult test_i32_array_alloc_capacity(void) {
+  bool result;
+
+  Allocator allocator = wapp_mem_arena_allocator_init(MB(4));
+  u64 capacity        = 32;
+  I32Array *array     = wapp_i32_array_alloc_capacity(&allocator, capacity);
+
+  result = array && array->capacity == capacity;
+
+  wapp_mem_arena_allocator_destroy(&allocator);
+
+  return wapp_tester_result(result);
+}
+
+TestFuncResult test_i32_array_append_alloc(void) {
+  bool result;
+
+  Allocator allocator = wapp_mem_arena_allocator_init(MB(4));
+  I32Array array1     = wapp_i32_array(1, 2, 3, 4, 5, 6, 7, 8);
+  I32Array array2     = wapp_i32_array(1, 2);
+
+  I32Array *arr_ptr = wapp_i32_array_append_alloc(&allocator, &array1, 10);
+  result = arr_ptr == &array1;
+
+  for (u64 i = 0; i < 4; ++i) {
+    arr_ptr = wapp_i32_array_append_alloc(&allocator, &array2, (i32)i);
+  }
+  result = result && arr_ptr != &array2;
+
+  wapp_mem_arena_allocator_destroy(&allocator);
+
+  return wapp_tester_result(result);
+}
+
+TestFuncResult test_i32_array_extend_alloc(void) {
+  bool result;
+
+  Allocator allocator = wapp_mem_arena_allocator_init(MB(4));
+  I32Array array1     = wapp_i32_array(1, 2, 3, 4, 5, 6, 7, 8);
+  I32Array array2     = wapp_i32_array(1, 2);
+  I32Array array3     = wapp_i32_array(1, 2, 3, 4);
+
+  I32Array *arr_ptr = wapp_i32_array_extend_alloc(&allocator, &array1, &array3);
+  result = arr_ptr == &array1;
+
+  arr_ptr = wapp_i32_array_extend_alloc(&allocator, &array2, &array3);
+  result  = result && arr_ptr != &array2;
+
+  wapp_mem_arena_allocator_destroy(&allocator);
+
+  return wapp_tester_result(result);
+}
+
+TestFuncResult test_i32_array_copy_alloc(void) {
+  bool result;
+
+  Allocator allocator = wapp_mem_arena_allocator_init(MB(4));
+  I32Array src        = wapp_i32_array(1, 2, 3, 4, 5);
+  I32Array dst1       = wapp_i32_array(1, 2, 3, 4, 5, 6);
+  I32Array dst2       = wapp_i32_array(1, 2);
+  I32Array *array_ptr = NULL;
+
+  u64 expected_count = 5;
+  array_ptr = wapp_i32_array_copy_alloc(&allocator, &src, &dst1);
+  result = array_ptr->count == expected_count && array_ptr == &dst1;
+  for (u64 i = 0; i < expected_count; ++i) {
+    result = result && (*wapp_i32_array_get(&src, i) == *wapp_i32_array_get(array_ptr, i));
+  }
+
+  expected_count = 5;
+  array_ptr = wapp_i32_array_copy_alloc(&allocator, &src, &dst2);
+  result = result && array_ptr->count == expected_count && array_ptr != &dst2;
+  for (u64 i = 0; i < expected_count; ++i) {
+    result = result && (*wapp_i32_array_get(&src, i) == *wapp_i32_array_get(array_ptr, i));
+  }
+
+  wapp_mem_arena_allocator_destroy(&allocator);
+
+  return wapp_tester_result(result);
+}
diff --git a/tests/array/test_i32_array.h b/tests/array/test_i32_array.h
index 09b0039..7dcf919 100644
--- a/tests/array/test_i32_array.h
+++ b/tests/array/test_i32_array.h
@@ -15,6 +15,11 @@ TestFuncResult test_i32_array_append_capped(void);
 TestFuncResult test_i32_array_extend_capped(void);
 TestFuncResult test_i32_array_clear(void);
 TestFuncResult test_i32_array_pop(void);
+TestFuncResult test_i32_array_copy_capped(void);
+TestFuncResult test_i32_array_alloc_capacity(void);
+TestFuncResult test_i32_array_append_alloc(void);
+TestFuncResult test_i32_array_extend_alloc(void);
+TestFuncResult test_i32_array_copy_alloc(void);
 
 #ifdef WAPP_PLATFORM_CPP
 END_C_LINKAGE
diff --git a/tests/wapptest.c b/tests/wapptest.c
index 63a224f..2a06bbc 100644
--- a/tests/wapptest.c
+++ b/tests/wapptest.c
@@ -26,6 +26,11 @@ int main(void) {
                         test_i32_array_extend_capped,
                         test_i32_array_clear,
                         test_i32_array_pop,
+                        test_i32_array_copy_capped,
+                        test_i32_array_alloc_capacity,
+                        test_i32_array_append_alloc,
+                        test_i32_array_extend_alloc,
+                        test_i32_array_copy_alloc,
                         test_str8_lit,
                         test_str8_lit_ro,
                         test_str8_buf,