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052498ed42
Specifically, functions that are run in the context of the test runner are put in module `test/testutil.lua` while the functions that are run in the context of the test session are put in `test/functional/testnvim.lua`. Closes https://github.com/neovim/neovim/issues/27004.
524 lines
9.2 KiB
Lua
524 lines
9.2 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local clear = n.clear
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local insert = n.insert
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local exec = n.exec
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local feed = n.feed
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local expect = n.expect
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local command = n.command
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local fn = n.fn
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local eq = t.eq
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local neq = t.neq
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describe('Folding', function()
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local tempfname = 'Xtest-fold.txt'
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setup(clear)
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before_each(function()
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command('bwipe! | new')
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end)
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after_each(function()
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os.remove(tempfname)
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end)
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it('manual folding adjusts with filter', function()
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insert([[
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20]])
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command('4,$fold')
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command('%foldopen')
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command('10,$fold')
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command('%foldopen')
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command('1,8! cat')
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feed('5ggzdzMGdd')
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expect([[
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1
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2
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3
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4
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5
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6
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7
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8
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9]])
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end)
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describe('adjusting folds after :move', function()
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local function manually_fold_indent()
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-- setting foldmethod twice is a trick to get vim to set the folds for me
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command('setlocal foldmethod=indent')
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command('setlocal foldmethod=manual')
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-- Ensure that all folds will get closed (makes it easier to test the
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-- length of folds).
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command('setlocal foldminlines=0')
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-- Start with all folds open (so :move ranges aren't affected by closed
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-- folds).
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command('%foldopen!')
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end
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local function get_folds()
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local rettab = {}
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for i = 1, fn.line('$') do
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table.insert(rettab, fn.foldlevel(i))
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end
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return rettab
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end
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local function test_move_indent(insert_string, move_command)
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-- This test is easy because we just need to ensure that the resulting
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-- fold is the same as calculated when creating folds from scratch.
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insert(insert_string)
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command(move_command)
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local after_move_folds = get_folds()
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-- Doesn't change anything, but does call foldUpdateAll()
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command('setlocal foldminlines=0')
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eq(after_move_folds, get_folds())
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-- Set up the buffer with insert_string for the manual fold testing.
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command('enew!')
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insert(insert_string)
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manually_fold_indent()
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command(move_command)
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end
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it('neither closes nor corrupts folds', function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a]],
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'7,12m0'
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)
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expect([[
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a]])
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-- lines are not closed, folds are correct
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for i = 1, fn.line('$') do
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eq(-1, fn.foldclosed(i))
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if i == 1 or i == 7 or i == 13 then
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eq(0, fn.foldlevel(i))
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elseif i == 4 then
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eq(2, fn.foldlevel(i))
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else
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eq(1, fn.foldlevel(i))
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end
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end
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-- folds are not corrupted
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feed('zM')
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eq(6, fn.foldclosedend(2))
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eq(12, fn.foldclosedend(8))
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eq(18, fn.foldclosedend(14))
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end)
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it("doesn't split a fold when the move is within it", function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a]],
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'5m6'
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)
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eq({ 0, 1, 1, 2, 2, 2, 2, 1, 1, 0 }, get_folds())
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end)
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it('truncates folds that end in the moved range', function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a
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a
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a]],
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'4,5m6'
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)
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eq({ 0, 1, 2, 0, 0, 0, 0 }, get_folds())
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end)
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it('moves folds that start between moved range and destination', function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a]],
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'3,4m$'
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)
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eq({ 0, 1, 1, 0, 0, 1, 2, 1, 0, 0, 1, 0, 0 }, get_folds())
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end)
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it('does not affect folds outside changed lines', function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a
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a
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a
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a
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a]],
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'4m5'
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)
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eq({ 1, 1, 1, 0, 0, 0, 1, 1, 1 }, get_folds())
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end)
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it('moves and truncates folds that start in moved range', function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a]],
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'1,3m7'
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)
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eq({ 0, 0, 0, 0, 0, 1, 2, 0, 0, 0 }, get_folds())
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end)
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it('breaks a fold when moving text into it', function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a
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a
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a]],
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'$m4'
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)
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eq({ 0, 1, 2, 2, 0, 0, 0 }, get_folds())
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end)
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it('adjusts correctly when moving a range backwards', function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a]],
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'2,3m0'
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)
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eq({ 1, 2, 0, 0, 0 }, get_folds())
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end)
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it('handles shifting all remaining folds', function()
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test_move_indent(
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[[
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a
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a]],
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'13m7'
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)
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eq({ 1, 2, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 2, 1, 0 }, get_folds())
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end)
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end)
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it('updates correctly on :read', function()
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-- luacheck: ignore 621
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t.write_file(
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tempfname,
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[[
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a
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a]]
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)
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insert([[
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a
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a
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a
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a
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]])
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command('setlocal foldmethod=indent')
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command('2')
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command('%foldopen')
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command('read ' .. tempfname)
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-- Just to check we have the correct file text.
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expect([[
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a
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a
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a
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a
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a
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a
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]])
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for i = 1, 2 do
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eq(1, fn.foldlevel(i))
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end
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for i = 3, 5 do
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eq(0, fn.foldlevel(i))
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end
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for i = 6, 8 do
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eq(1, fn.foldlevel(i))
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end
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end)
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it('combines folds when removing separating space', function()
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-- luacheck: ignore 621
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insert([[
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a
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a
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a
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a
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a
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a
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a
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a
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]])
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command('setlocal foldmethod=indent')
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command('3,5d')
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eq(5, fn.foldclosedend(1))
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end)
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it("doesn't combine folds that have a specified end", function()
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insert([[
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{{{
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}}}
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{{{
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}}}
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]])
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command('setlocal foldmethod=marker')
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command('3,5d')
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command('%foldclose')
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eq(2, fn.foldclosedend(1))
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end)
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it('splits folds according to >N and <N with foldexpr', function()
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n.source([[
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function TestFoldExpr(lnum)
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let thisline = getline(a:lnum)
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if thisline == 'a'
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return 1
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elseif thisline == 'b'
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return 0
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elseif thisline == 'c'
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return '<1'
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elseif thisline == 'd'
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return '>1'
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endif
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return 0
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endfunction
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]])
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t.write_file(
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tempfname,
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[[
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b
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b
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a
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a
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d
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a
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a
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c]]
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)
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insert([[
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a
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a
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a
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a
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a
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a
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]])
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command('setlocal foldmethod=expr foldexpr=TestFoldExpr(v:lnum)')
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command('2')
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command('foldopen')
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command('read ' .. tempfname)
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command('%foldclose')
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eq(2, fn.foldclosedend(1))
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eq(0, fn.foldlevel(3))
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eq(0, fn.foldlevel(4))
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eq(6, fn.foldclosedend(5))
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eq(10, fn.foldclosedend(7))
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eq(14, fn.foldclosedend(11))
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end)
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it('fdm=expr works correctly with :move #18668', function()
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exec([[
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set foldmethod=expr foldexpr=indent(v:lnum)
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let content = ['', '', 'Line1', ' Line2', ' Line3',
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\ 'Line4', ' Line5', ' Line6',
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\ 'Line7', ' Line8', ' Line9']
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call append(0, content)
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normal! zM
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call cursor(4, 1)
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move 2
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move 1
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]])
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expect([[
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Line2
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Line3
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Line1
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Line4
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Line5
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Line6
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Line7
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Line8
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Line9
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]])
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eq(0, fn.foldlevel(1))
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eq(3, fn.foldclosedend(2))
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eq(0, fn.foldlevel(4))
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eq(0, fn.foldlevel(5))
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eq(0, fn.foldlevel(6))
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eq(8, fn.foldclosedend(7))
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eq(0, fn.foldlevel(9))
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eq(11, fn.foldclosedend(10))
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eq(0, fn.foldlevel(12))
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end)
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it('no folds remain if :delete makes buffer empty #19671', function()
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command('setlocal foldmethod=manual')
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fn.setline(1, { 'foo', 'bar', 'baz' })
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command('2,3fold')
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command('%delete')
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eq(0, fn.foldlevel(1))
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end)
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it('multibyte fold markers work #20438', function()
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command('setlocal foldmethod=marker foldmarker=«,» commentstring=/*%s*/')
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insert([[
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bbbbb
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bbbbb
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bbbbb]])
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feed('zfgg')
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expect([[
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bbbbb/*«*/
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bbbbb
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bbbbb/*»*/]])
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eq(1, fn.foldlevel(1))
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end)
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it('fdm=indent updates correctly with visual blockwise insertion #22898', function()
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insert([[
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a
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b
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]])
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command('setlocal foldmethod=indent shiftwidth=2')
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feed('gg0<C-v>jI <Esc>') -- indent both lines using visual blockwise mode
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eq(1, fn.foldlevel(1))
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eq(1, fn.foldlevel(2))
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end)
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it("fdm=indent doesn't open folds when inserting lower foldlevel line", function()
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insert([[
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insert an unindented line under this line
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keep the lines under this line folded
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keep this line folded 1
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keep this line folded 2
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]])
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command('set foldmethod=indent shiftwidth=2 noautoindent')
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eq(1, fn.foldlevel(1))
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eq(1, fn.foldlevel(2))
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eq(2, fn.foldlevel(3))
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eq(2, fn.foldlevel(4))
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feed('zo') -- open the outer fold
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neq(-1, fn.foldclosed(3)) -- make sure the inner fold is not open
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feed('gg0oa<Esc>') -- insert unindented line
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eq(1, fn.foldlevel(1)) --| insert an unindented line under this line
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eq(0, fn.foldlevel(2)) --|a
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eq(1, fn.foldlevel(3)) --| keep the lines under this line folded
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eq(2, fn.foldlevel(4)) --| keep this line folded 1
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eq(2, fn.foldlevel(5)) --| keep this line folded 2
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neq(-1, fn.foldclosed(4)) -- make sure the inner fold is still not open
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end)
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end)
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