From f198457ed95db5e5fc2f3ffd4643ebfe62239c97 Mon Sep 17 00:00:00 2001
From: Lava <34743145+CanglongCl@users.noreply.github.com>
Date: Thu, 4 Apr 2024 01:03:38 -0700
Subject: [PATCH] Add test case for bottom_k() descending=True with no by

---
 py-polars/tests/unit/operations/test_sort.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/py-polars/tests/unit/operations/test_sort.py b/py-polars/tests/unit/operations/test_sort.py
index 8c9a1cbc4de6a..842139d3e1318 100644
--- a/py-polars/tests/unit/operations/test_sort.py
+++ b/py-polars/tests/unit/operations/test_sort.py
@@ -300,6 +300,11 @@ def test_top_k() -> None:
         pl.DataFrame({"test": [1, 2, 3, 4]}),
     )
 
+    assert_frame_equal(
+        df.select(pl.col("test").bottom_k(10, descending=True)),
+        pl.DataFrame({"test": [4, 3, 2, 1]}),
+    )
+
     assert_frame_equal(
         df.select(
             top_k=pl.col("test").top_k(pl.col("val").min()),