neovim/test/functional/autocmd/cursormoved_spec.lua
zeertzjq 58a1ef8e6a
fix(events): avoid unnecessary CursorMoved (#24675)
Problem:    Temporarily changing current window in a script causes
            CursorMoved to be triggerd.
Solution:   Don't trigger CursorMoved if neither curwin nor cursor
            changed between two checks.
2023-08-12 09:50:17 +08:00

59 lines
1.7 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local eq = helpers.eq
local eval = helpers.eval
local meths = helpers.meths
local source = helpers.source
local command = helpers.command
describe('CursorMoved', function()
before_each(clear)
it('is triggered after BufEnter when changing or splitting windows #11878 #12031', function()
source([[
call setline(1, 'foo')
let g:log = []
autocmd BufEnter * let g:log += ['BufEnter' .. expand("<abuf>")]
autocmd CursorMoved * let g:log += ['CursorMoved' .. expand("<abuf>")]
]])
eq({}, eval('g:log'))
command('new')
eq({'BufEnter2', 'CursorMoved2'}, eval('g:log'))
command('wincmd w')
eq({'BufEnter2', 'CursorMoved2', 'BufEnter1', 'CursorMoved1'}, eval('g:log'))
end)
it('is not triggered by temporarily switching window', function()
source([[
let g:cursormoved = 0
vnew
autocmd CursorMoved * let g:cursormoved += 1
]])
command('wincmd w | wincmd p')
eq(0, eval('g:cursormoved'))
end)
it("is not triggered by functions that don't change the window", function()
source([[
let g:cursormoved = 0
let g:buf = bufnr('%')
vsplit foo
autocmd CursorMoved * let g:cursormoved += 1
]])
meths.buf_set_lines(eval('g:buf'), 0, -1, true, {'aaa'})
eq(0, eval('g:cursormoved'))
eq({'aaa'}, meths.buf_get_lines(eval('g:buf'), 0, -1, true))
eq(0, eval('g:cursormoved'))
end)
it("is not triggered by cursor movement prior to first CursorMoved instantiation", function()
source([[
let g:cursormoved = 0
autocmd! CursorMoved
autocmd CursorMoved * let g:cursormoved += 1
]])
eq(0, eval('g:cursormoved'))
end)
end)