diff --git a/tests/test_dispatcher/test_filters/test_builtin.py b/tests/test_dispatcher/test_filters/test_builtin.py
index 86344cec..a26fc139 100644
--- a/tests/test_dispatcher/test_filters/test_builtin.py
+++ b/tests/test_dispatcher/test_filters/test_builtin.py
@@ -1,6 +1,12 @@
+from typing import Set
+
 import pytest
 
-from aiogram.dispatcher.filters.builtin import Text
+from aiogram.dispatcher.filters.builtin import (
+    Text,
+    extract_chat_ids,
+    ChatIDArgumentType,
+)
 
 
 class TestText:
@@ -16,3 +22,50 @@ class TestText:
         config = {param: value}
         res = Text.validate(config)
         assert res == {key: value}
+
+
+@pytest.mark.parametrize(
+    ('chat_id', 'expected'),
+    (
+        pytest.param('-64856280', {-64856280,}, id='single negative int as string'),
+        pytest.param('64856280', {64856280,}, id='single positive int as string'),
+        pytest.param(-64856280, {-64856280,}, id='single negative int'),
+        pytest.param(64856280, {64856280,}, id='single positive negative int'),
+        pytest.param(
+            ['-64856280'], {-64856280,}, id='list of single negative int as string'
+        ),
+        pytest.param([-64856280], {-64856280,}, id='list of single negative int'),
+        pytest.param(
+            ['-64856280', '-64856280'],
+            {-64856280,},
+            id='list of two duplicated negative ints as strings',
+        ),
+        pytest.param(
+            ['-64856280', -64856280],
+            {-64856280,},
+            id='list of one negative int as string and one negative int',
+        ),
+        pytest.param(
+            [-64856280, -64856280],
+            {-64856280,},
+            id='list of two duplicated negative ints',
+        ),
+        pytest.param(
+            iter(['-64856280']),
+            {-64856280,},
+            id='iterator from a list of single negative int as string',
+        ),
+        pytest.param(
+            [10000000, 20000000, 30000000],
+            {10000000, 20000000, 30000000},
+            id='list of several positive ints',
+        ),
+        pytest.param(
+            [10000000, '20000000', -30000000],
+            {10000000, 20000000, -30000000},
+            id='list of positive int, positive int as string, negative int',
+        ),
+    ),
+)
+def test_extract_chat_ids(chat_id: ChatIDArgumentType, expected: Set[int]):
+    assert extract_chat_ids(chat_id) == expected