diff --git a/kitty_tests/layout.py b/kitty_tests/layout.py
index 34d187434..ffc0aa226 100644
--- a/kitty_tests/layout.py
+++ b/kitty_tests/layout.py
@@ -4,7 +4,7 @@
 
 from kitty.config import defaults
 from kitty.fast_data_types import pt_to_px
-from kitty.layout import Horizontal, Stack, Tall, Grid, idx_for_id
+from kitty.layout import Horizontal, Stack, Tall, Grid, idx_for_id, Splits
 from kitty.constants import WindowGeometry
 
 from . import BaseTest
@@ -183,3 +183,17 @@ class TestLayout(BaseTest):
         for layout_class in (Stack, Horizontal, Tall, Grid):
             q = create_layout(layout_class)
             self.do_overlay_test(q)
+
+    def test_splits(self):
+        q = create_layout(Splits)
+        all_windows = []
+        self.ae(0, q.add_window(all_windows, Window(1), -1))
+        self.ae(1, q.add_window(all_windows, Window(2), 0, location='vsplit'))
+        self.ae(q.pairs_root.pair_for_window(2).horizontal, True)
+        self.ae(2, q.add_window(all_windows, Window(3), 1, location='hsplit'))
+        self.ae(q.pairs_root.pair_for_window(2).horizontal, False)
+        self.ae(3, q.add_window(all_windows, Window(4), 2, location='vsplit'))
+        self.ae(q.neighbors_for_window(all_windows[0], all_windows), {'left': [], 'right': [2, 3], 'top': [], 'bottom': []})
+        self.ae(q.neighbors_for_window(all_windows[1], all_windows), {'left': [1], 'right': [], 'top': [], 'bottom': [3, 4]})
+        self.ae(q.neighbors_for_window(all_windows[2], all_windows), {'left': [1], 'right': [4], 'top': [2], 'bottom': []})
+        self.ae(q.neighbors_for_window(all_windows[3], all_windows), {'left': [3], 'right': [], 'top': [2], 'bottom': []})