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dfb676fe0d
After PR #8226 an unmapped META key in insert mode behaves like ESC-<key> (:help i_META). The behaviour does not fully match, since if <Esc>-<key> is pressed manually then since it were pressed manually `gotchars` would be called on the second <key> after insert-mode had already been left. This would mean that `may_sync_undo` (called from `gotchars`) would call `u_sync(FALSE)` on the second key (since we would be in normal mode). This overall means that <Meta-[something]> behaves differently with respect to undo than <Esc>[something] when the [something] makes a change. As an example, under `nvim -u NONE`: ihello<M-.>u leaves the buffer empty, while ihello<Esc>.u leaves the buffer with one instance of `hello`. - Fix by calling u_sync() manually in the new clause under `normalchar:` in `insert_handle_key`. - Update test in tui_spec.lua that accidentally relied on the old behaviour.
48 lines
1.3 KiB
Lua
48 lines
1.3 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
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local command = helpers.command
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local eq = helpers.eq
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local expect = helpers.expect
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local funcs = helpers.funcs
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describe('insert-mode', function()
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before_each(function()
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clear()
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end)
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it('CTRL-@', function()
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-- Inserts last-inserted text, leaves insert-mode.
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insert('hello')
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feed('i<C-@>x')
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expect('hellhello')
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-- C-Space is the same as C-@.
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-- CTRL-SPC inserts last-inserted text, leaves insert-mode.
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feed('i<C-Space>x')
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expect('hellhellhello')
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-- CTRL-A inserts last inserted text
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feed('i<C-A>x')
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expect('hellhellhellhelloxo')
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end)
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it('ALT/META #8213', function()
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-- Mapped ALT-chord behaves as mapped.
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command('inoremap <M-l> meta-l')
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command('inoremap <A-j> alt-j')
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feed('i<M-l> xxx <A-j><M-h>a<A-h>')
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expect('meta-l xxx alt-j')
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eq({ 0, 1, 14, 0, }, funcs.getpos('.'))
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-- Unmapped ALT-chord behaves as ESC+c.
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command('iunmap <M-l>')
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feed('0i<M-l>')
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eq({ 0, 1, 2, 0, }, funcs.getpos('.'))
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-- Unmapped ALT-chord has same `undo` characteristics as ESC+<key>
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command('0,$d')
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feed('ahello<M-.>')
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expect('hellohello')
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feed('u')
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expect('hello')
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end)
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end)
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