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Problem: Undo places the cursor wherever the cursor happened to sit at "save time" (`uh_cursor` is sampled lazily on the first change). Examples: - `i` preserves, but `a` does not - `diw`, `atest<Esc>`, `d^` abandon the original position - `D`, `o` restore it (by accident). Solution: `composite` tracks the pending atom (and its `origin`) across frames. A `stuffed` continuation frame inherits the `origin` + prepped redo. Store `origin` info in the undo header, so undo can restore it. - Not for a mid-command undo break (i_CTRL-G_u). - Undoing a mapping restores where the mapping started (which technically may be different than where the "edit" started).
64 lines
1.5 KiB
Lua
64 lines
1.5 KiB
Lua
-- Tests for regexp with various magic settings.
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local n = require('test.functional.testnvim')()
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local t = require('test.testutil')
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local describe, it, setup = t.describe, t.it, t.setup
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local clear, feed, insert = n.clear, n.feed, n.insert
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local feed_command, expect = n.feed_command, n.expect
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describe('regexp with magic settings', function()
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setup(clear)
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it('is working', function()
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insert([[
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1 a aa abb abbccc
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2 d dd dee deefff
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3 g gg ghh ghhiii
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4 j jj jkk jkklll
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5 m mm mnn mnnooo
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6 x ^aa$ x
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7 (a)(b) abbaa
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8 axx [ab]xx
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9 foobar
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]])
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feed_command('/^1')
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feed_command([[/a*b\{2}c\+/e]])
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feed([[x/\Md\*e\{2}f\+/e<cr>]])
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feed('x:set nomagic<cr>')
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feed_command([[/g\*h\{2}i\+/e]])
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feed([[x/\mj*k\{2}l\+/e<cr>]])
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feed([[x/\vm*n{2}o+/e<cr>]])
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feed([[x/\V^aa$<cr>]])
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feed('x:set magic<cr>')
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feed_command([[/\v(a)(b)\2\1\1/e]])
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feed([[x/\V[ab]\(\[xy]\)\1<cr>]])
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feed('x:$<cr>')
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feed_command('set undolevels=100')
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feed('dv?bar?<cr>')
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-- Nvim: "k" after "u": undo restores the cursor to where "dv?bar?" started (the last line).
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feed('Yukp:<cr>')
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feed_command('?^1?,$yank A')
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-- Put @a and clean empty line
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feed_command('%d')
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feed_command('0put a')
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feed_command('$d')
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-- Assert buffer contents.
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expect([[
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1 a aa abb abbcc
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2 d dd dee deeff
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3 g gg ghh ghhii
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4 j jj jkk jkkll
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5 m mm mnn mnnoo
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6 x aa$ x
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7 (a)(b) abba
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8 axx ab]xx
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9 foobar
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9 foo
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]])
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end)
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end)
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