From 4d55d306146ada0792fadb11cd41c43113491f41 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 1 May 2026 15:05:34 +0000
Subject: [PATCH] Enhance regression test with additional geometry validity
 assertions

Agent-Logs-Url: https://github.com/kovidgoyal/kitty/sessions/3b0c9eab-24ba-4934-a941-be477477cee4

Co-authored-by: kovidgoyal <1308621+kovidgoyal@users.noreply.github.com>
---
 kitty_tests/layout.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/kitty_tests/layout.py b/kitty_tests/layout.py
index 517ad5fd7..fb0802c3f 100644
--- a/kitty_tests/layout.py
+++ b/kitty_tests/layout.py
@@ -340,6 +340,14 @@ class TestLayout(BaseTest):
             self.assertGreaterEqual(result.cells_per_window, 0,
                 f'cells_per_window={result.cells_per_window} < 0 for length={length}, '
                 f'cell_length={cell_length}, decs={decs}')
+            self.assertGreaterEqual(result.content_size, 0,
+                f'content_size={result.content_size} < 0 for length={length}, '
+                f'cell_length={cell_length}, decs={decs}')
+            # content_pos must be within [0, length]: right edge = content_pos + content_size <= length
+            self.assertGreaterEqual(result.content_pos, 0)
+            self.assertLessEqual(result.content_pos + result.content_size, length,
+                f'right ({result.content_pos + result.content_size}) > length ({length}) for '
+                f'cell_length={cell_length}, decs={decs}')
 
     def test_drag_resize_target_windows(self):
         # Helper: call drag_resize_target_windows with given window and edge flags.