fix(statuscolumn): don't update clicks if current width is 0 (#24459)

1 files changed, 15 insertions, 2 deletions

diff --git a/test/functional/ui/statuscolumn_spec.lua b/test/functional/ui/statuscolumn_spec.lua
index 6a1c20ff67..35cd479bb9 100644
--- a/test/functional/ui/statuscolumn_spec.lua
+++ b/test/functional/ui/statuscolumn_spec.lua
@@ -9,6 +9,7 @@ local exec_lua = helpers.exec_lua
 local feed = helpers.feed
 local meths = helpers.meths
 local pcall_err = helpers.pcall_err
+local assert_alive = helpers.assert_alive
 
 local mousemodels = { "extend", "popup", "popup_setpos" }
 
@@ -577,8 +578,8 @@ describe('statuscolumn', function()
     end)
   end
 
-  it('click labels do not leak memory', function()
-    command([[
+  it('click labels do not leak memory #21878', function()
+    exec([[
       set laststatus=2
       setlocal statuscolumn=%0@MyClickFunc@abcd%T
       4vsplit
@@ -590,6 +591,18 @@ describe('statuscolumn', function()
     ]])
   end)
 
+  it('click labels do not crash when initial width is 0 #24428', function()
+    exec([[
+      set nonumber
+      bwipe!
+      setlocal statuscolumn=abcd
+      redraw
+      setlocal statuscolumn=%0@MyClickFunc@abcd%T
+      redraw
+    ]])
+    assert_alive()
+  end)
+
   it('works with foldcolumn', function()
     -- Fits maximum multibyte foldcolumn #21759
     command([[set stc=%C%=%l\  fdc=9 fillchars=foldsep:𒀀]])