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-rw-r--r--test/functional/ui/inccommand_user_spec.lua22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/functional/ui/inccommand_user_spec.lua b/test/functional/ui/inccommand_user_spec.lua
index 9cc6e095c5..8a1030fa25 100644
--- a/test/functional/ui/inccommand_user_spec.lua
+++ b/test/functional/ui/inccommand_user_spec.lua
@@ -435,6 +435,28 @@ describe("'inccommand' for user commands", function()
]])
assert_alive()
end)
+
+ it("no crash if preview callback executes undo", function()
+ command('set inccommand=nosplit')
+ exec_lua([[
+ vim.api.nvim_create_user_command('Foo', function() end, {
+ nargs = '?',
+ preview = function(_, _, _)
+ vim.cmd.undo()
+ end,
+ })
+ ]])
+
+ -- Clear undo history
+ command('set undolevels=-1')
+ feed('ggyyp')
+ command('set undolevels=1000')
+
+ feed('yypp:Fo')
+ assert_alive()
+ feed('<Esc>:Fo')
+ assert_alive()
+ end)
end)
describe("'inccommand' with multiple buffers", function()