diff --git a/app/test_split_integer.py b/app/test_split_integer.py
index ef3aa668a..77ecad7fd 100644
--- a/app/test_split_integer.py
+++ b/app/test_split_integer.py
@@ -1,21 +1,35 @@
+import pytest
+
 from app.split_integer import split_integer
 
 
-def test_sum_of_the_parts_should_be_equal_to_value() -> None:
-    pass
+@pytest.mark.parametrize(
+    "value, number_of_parts",
+    [
+        (8, 1),
+        (6, 2),
+        (17, 4),
+        (32, 6)
+    ],
+)
+def test_sum_of_the_parts_should_be_equal_to_value(
+        value: int,
+        number_of_parts: int
+) -> None:
+    assert sum(split_integer(value, number_of_parts)) == value
 
 
 def test_should_split_into_equal_parts_when_value_divisible_by_parts() -> None:
-    pass
+    assert split_integer(6, 2) == [3, 3]
 
 
 def test_should_return_part_equals_to_value_when_split_into_one_part() -> None:
-    pass
+    assert split_integer(8, 1) == [8]
 
 
 def test_parts_should_be_sorted_when_they_are_not_equal() -> None:
-    pass
+    assert split_integer(17, 4) == [4, 4, 4, 5]
 
 
 def test_should_add_zeros_when_value_is_less_than_number_of_parts() -> None:
-    pass
+    assert split_integer(2, 3) == [0, 1, 1]