From 8182384205d3c222e999ea9a78276cbf685f50fd Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Sat, 24 Jun 2023 22:15:13 +0800
Subject: test(extmarks): add a test for #23848 (#24140)

---
 test/functional/ui/decorations_spec.lua | 36 +++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'test/functional')

diff --git a/test/functional/ui/decorations_spec.lua b/test/functional/ui/decorations_spec.lua
index e8ad0d3f0d..4c04bad3a0 100644
--- a/test/functional/ui/decorations_spec.lua
+++ b/test/functional/ui/decorations_spec.lua
@@ -2507,6 +2507,42 @@ bbbbbbb]])
     ]]}
   end)
 
+  it('does not crash at right edge of wide window #23848', function()
+    screen:try_resize(82, 5)
+    meths.buf_set_extmark(0, ns, 0, 0, {virt_text = {{('a'):rep(82)}, {'b'}}, virt_text_pos = 'inline'})
+    screen:expect{grid=[[
+      ^aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+      b                                                                                 |
+      {1:~                                                                                 }|
+      {1:~                                                                                 }|
+                                                                                        |
+    ]]}
+    command('set nowrap')
+    screen:expect{grid=[[
+      ^aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+      {1:~                                                                                 }|
+      {1:~                                                                                 }|
+      {1:~                                                                                 }|
+                                                                                        |
+    ]]}
+    feed('82i0<Esc>0')
+    screen:expect{grid=[[
+      ^0000000000000000000000000000000000000000000000000000000000000000000000000000000000|
+      {1:~                                                                                 }|
+      {1:~                                                                                 }|
+      {1:~                                                                                 }|
+                                                                                        |
+    ]]}
+    command('set wrap')
+    screen:expect{grid=[[
+      ^0000000000000000000000000000000000000000000000000000000000000000000000000000000000|
+      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+      b                                                                                 |
+      {1:~                                                                                 }|
+                                                                                        |
+    ]]}
+  end)
+
   it('list "extends" is drawn with only inline virtual text offscreen', function()
     command('set nowrap')
     command('set list')
-- 
cgit