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https://github.com/neovim/neovim.git
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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.
593 lines
19 KiB
Lua
593 lines
19 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local Screen = require('test.functional.ui.screen')
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local api = n.api
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local clear = n.clear
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local eq = t.eq
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local exec_lua = n.exec_lua
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local insert = n.insert
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local feed = n.feed
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local command = n.command
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local assert_alive = n.assert_alive
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-- Implements a :Replace command that works like :substitute and has multibuffer support.
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local setup_replace_cmd = [[
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local function show_replace_preview(use_preview_win, preview_ns, preview_buf, matches)
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-- Find the width taken by the largest line number, used for padding the line numbers
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local highest_lnum = math.max(matches[#matches][1], 1)
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local highest_lnum_width = math.floor(math.log10(highest_lnum))
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local preview_buf_line = 0
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local multibuffer = #matches > 1
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for _, match in ipairs(matches) do
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local buf = match[1]
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local buf_matches = match[2]
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if multibuffer and #buf_matches > 0 and use_preview_win then
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local bufname = vim.api.nvim_buf_get_name(buf)
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if bufname == "" then
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bufname = string.format("Buffer #%d", buf)
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end
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vim.api.nvim_buf_set_lines(
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preview_buf,
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preview_buf_line,
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preview_buf_line,
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0,
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{ bufname .. ':' }
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)
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preview_buf_line = preview_buf_line + 1
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end
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for _, buf_match in ipairs(buf_matches) do
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local lnum = buf_match[1]
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local line_matches = buf_match[2]
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local prefix
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if use_preview_win then
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prefix = string.format(
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'|%s%d| ',
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string.rep(' ', highest_lnum_width - math.floor(math.log10(lnum))),
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lnum
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)
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vim.api.nvim_buf_set_lines(
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preview_buf,
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preview_buf_line,
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preview_buf_line,
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0,
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{ prefix .. vim.api.nvim_buf_get_lines(buf, lnum - 1, lnum, false)[1] }
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)
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end
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for _, line_match in ipairs(line_matches) do
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vim.api.nvim_buf_add_highlight(
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buf,
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preview_ns,
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'Substitute',
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lnum - 1,
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line_match[1],
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line_match[2]
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)
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if use_preview_win then
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vim.api.nvim_buf_add_highlight(
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preview_buf,
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preview_ns,
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'Substitute',
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preview_buf_line,
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#prefix + line_match[1],
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#prefix + line_match[2]
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)
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end
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end
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preview_buf_line = preview_buf_line + 1
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end
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end
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if use_preview_win then
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return 2
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else
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return 1
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end
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end
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local function do_replace(opts, preview, preview_ns, preview_buf)
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local pat1 = opts.fargs[1]
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if not pat1 then return end
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local pat2 = opts.fargs[2] or ''
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local line1 = opts.line1
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local line2 = opts.line2
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local matches = {}
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-- Get list of valid and listed buffers
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local buffers = vim.tbl_filter(
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function(buf)
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if not (vim.api.nvim_buf_is_valid(buf) and vim.bo[buf].buflisted and buf ~= preview_buf)
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then
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return false
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end
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-- Check if there's at least one window using the buffer
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for _, win in ipairs(vim.api.nvim_tabpage_list_wins(0)) do
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if vim.api.nvim_win_get_buf(win) == buf then
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return true
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end
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end
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return false
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end,
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vim.api.nvim_list_bufs()
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)
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for _, buf in ipairs(buffers) do
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local lines = vim.api.nvim_buf_get_lines(buf, line1 - 1, line2, false)
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local buf_matches = {}
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for i, line in ipairs(lines) do
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local startidx, endidx = 0, 0
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local line_matches = {}
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local num = 1
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while startidx ~= -1 do
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local match = vim.fn.matchstrpos(line, pat1, 0, num)
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startidx, endidx = match[2], match[3]
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if startidx ~= -1 then
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line_matches[#line_matches+1] = { startidx, endidx }
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end
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num = num + 1
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end
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if #line_matches > 0 then
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buf_matches[#buf_matches+1] = { line1 + i - 1, line_matches }
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end
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end
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local new_lines = {}
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for _, buf_match in ipairs(buf_matches) do
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local lnum = buf_match[1]
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local line_matches = buf_match[2]
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local line = lines[lnum - line1 + 1]
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local pat_width_differences = {}
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-- If previewing, only replace the text in current buffer if pat2 isn't empty
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-- Otherwise, always replace the text
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if pat2 ~= '' or not preview then
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if preview then
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for _, line_match in ipairs(line_matches) do
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local startidx, endidx = unpack(line_match)
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local pat_match = line:sub(startidx + 1, endidx)
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pat_width_differences[#pat_width_differences+1] =
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#vim.fn.substitute(pat_match, pat1, pat2, 'g') - #pat_match
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end
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end
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new_lines[lnum] = vim.fn.substitute(line, pat1, pat2, 'g')
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end
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-- Highlight the matches if previewing
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if preview then
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local idx_offset = 0
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for i, line_match in ipairs(line_matches) do
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local startidx, endidx = unpack(line_match)
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-- Starting index of replacement text
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local repl_startidx = startidx + idx_offset
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-- Ending index of the replacement text (if pat2 isn't empty)
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local repl_endidx
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if pat2 ~= '' then
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repl_endidx = endidx + idx_offset + pat_width_differences[i]
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else
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repl_endidx = endidx + idx_offset
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end
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if pat2 ~= '' then
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idx_offset = idx_offset + pat_width_differences[i]
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end
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line_matches[i] = { repl_startidx, repl_endidx }
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end
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end
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end
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for lnum, line in pairs(new_lines) do
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vim.api.nvim_buf_set_lines(buf, lnum - 1, lnum, false, { line })
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end
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matches[#matches+1] = { buf, buf_matches }
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end
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if preview then
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local lnum = vim.api.nvim_win_get_cursor(0)[1]
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-- Use preview window only if preview buffer is provided and range isn't just the current line
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local use_preview_win = (preview_buf ~= nil) and (line1 ~= lnum or line2 ~= lnum)
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return show_replace_preview(use_preview_win, preview_ns, preview_buf, matches)
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end
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end
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local function replace(opts)
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do_replace(opts, false)
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end
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local function replace_preview(opts, preview_ns, preview_buf)
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return do_replace(opts, true, preview_ns, preview_buf)
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end
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-- ":<range>Replace <pat1> <pat2>"
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-- Replaces all occurrences of <pat1> in <range> with <pat2>
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vim.api.nvim_create_user_command(
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'Replace',
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replace,
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{ nargs = '*', range = '%', addr = 'lines',
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preview = replace_preview }
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)
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]]
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describe("'inccommand' for user commands", function()
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local screen
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before_each(function()
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clear()
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screen = Screen.new(40, 17)
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screen:attach()
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exec_lua(setup_replace_cmd)
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command('set cmdwinheight=5')
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insert [[
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text on line 1
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more text on line 2
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oh no, even more text
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will the text ever stop
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oh well
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did the text stop
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why won't it stop
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make the text stop
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]]
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end)
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it('works with inccommand=nosplit', function()
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command('set inccommand=nosplit')
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feed(':Replace text cats')
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screen:expect([[
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{10:cats} on line 1 |
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more {10:cats} on line 2 |
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oh no, even more {10:cats} |
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will the {10:cats} ever stop |
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oh well |
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did the {10:cats} stop |
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why won't it stop |
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make the {10:cats} stop |
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{1:~ }|*7
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:Replace text cats^ |
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]])
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end)
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it('works with inccommand=split', function()
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command('set inccommand=split')
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feed(':Replace text cats')
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screen:expect([[
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{10:cats} on line 1 |
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more {10:cats} on line 2 |
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oh no, even more {10:cats} |
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will the {10:cats} ever stop |
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oh well |
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did the {10:cats} stop |
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why won't it stop |
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make the {10:cats} stop |
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{3:[No Name] [+] }|
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|1| {10:cats} on line 1 |
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|2| more {10:cats} on line 2 |
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|3| oh no, even more {10:cats} |
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|4| will the {10:cats} ever stop |
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|6| did the {10:cats} stop |
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{2:[Preview] }|
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:Replace text cats^ |
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]])
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end)
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it('properly closes preview when inccommand=split', function()
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command('set inccommand=split')
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feed(':Replace text cats<Esc>')
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screen:expect([[
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text on line 1 |
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more text on line 2 |
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oh no, even more text |
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will the text ever stop |
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oh well |
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did the text stop |
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why won't it stop |
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make the text stop |
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^ |
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{1:~ }|*7
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]])
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end)
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it('properly executes command when inccommand=split', function()
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command('set inccommand=split')
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feed(':Replace text cats<CR>')
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screen:expect([[
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cats on line 1 |
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more cats on line 2 |
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oh no, even more cats |
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will the cats ever stop |
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oh well |
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did the cats stop |
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why won't it stop |
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make the cats stop |
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^ |
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{1:~ }|*7
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:Replace text cats |
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]])
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end)
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it('shows preview window only when range is not current line', function()
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command('set inccommand=split')
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feed('gg:.Replace text cats')
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screen:expect([[
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{10:cats} on line 1 |
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more text on line 2 |
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oh no, even more text |
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will the text ever stop |
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oh well |
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did the text stop |
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why won't it stop |
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make the text stop |
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{1:~ }|*7
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:.Replace text cats^ |
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]])
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end)
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it('does not crash on ambiguous command #18825', function()
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command('set inccommand=split')
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command('command Reply echo 1')
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feed(':R')
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assert_alive()
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feed('e')
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assert_alive()
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end)
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it('no crash if preview callback changes inccommand option', function()
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command('set inccommand=nosplit')
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exec_lua([[
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vim.api.nvim_create_user_command('Replace', function() end, {
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nargs = '*',
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preview = function()
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vim.api.nvim_set_option_value('inccommand', 'split', {})
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return 2
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end,
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})
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]])
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feed(':R')
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assert_alive()
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feed('e')
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assert_alive()
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end)
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it('no crash when adding highlight after :substitute #21495', function()
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command('set inccommand=nosplit')
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exec_lua([[
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vim.api.nvim_create_user_command("Crash", function() end, {
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preview = function(_, preview_ns, _)
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vim.cmd("%s/text/cats/g")
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vim.api.nvim_buf_add_highlight(0, preview_ns, "Search", 0, 0, -1)
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return 1
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end,
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})
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]])
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feed(':C')
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screen:expect([[
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{10: cats on line 1} |
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more cats on line 2 |
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oh no, even more cats |
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will the cats ever stop |
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oh well |
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did the cats stop |
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why won't it stop |
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make the cats stop |
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{1:~ }|*7
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:C^ |
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]])
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assert_alive()
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end)
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it('no crash if preview callback executes undo #20036', function()
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command('set inccommand=nosplit')
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exec_lua([[
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vim.api.nvim_create_user_command('Foo', function() end, {
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nargs = '?',
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preview = function(_, _, _)
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vim.cmd.undo()
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end,
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})
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]])
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-- Clear undo history
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command('set undolevels=-1')
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feed('ggyyp')
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command('set undolevels=1000')
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feed('yypp:Fo')
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assert_alive()
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feed('<Esc>:Fo')
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assert_alive()
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end)
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local function test_preview_break_undo()
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command('set inccommand=nosplit')
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exec_lua([[
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vim.api.nvim_create_user_command('Test', function() end, {
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nargs = 1,
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preview = function(opts, _, _)
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vim.cmd('norm i' .. opts.args)
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return 1
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end
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})
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]])
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feed(':Test a.a.a.a.')
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screen:expect([[
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text on line 1 |
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more text on line 2 |
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oh no, even more text |
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will the text ever stop |
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oh well |
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did the text stop |
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why won't it stop |
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make the text stop |
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a.a.a.a. |
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{1:~ }|*7
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:Test a.a.a.a.^ |
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]])
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feed('<C-V><Esc>u')
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screen:expect([[
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text on line 1 |
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more text on line 2 |
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oh no, even more text |
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will the text ever stop |
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oh well |
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did the text stop |
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why won't it stop |
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make the text stop |
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a.a.a. |
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{1:~ }|*7
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:Test a.a.a.a.{18:^[}u^ |
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]])
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feed('<Esc>')
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screen:expect([[
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text on line 1 |
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more text on line 2 |
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oh no, even more text |
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will the text ever stop |
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oh well |
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did the text stop |
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why won't it stop |
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make the text stop |
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^ |
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{1:~ }|*7
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]])
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end
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describe('breaking undo chain in Insert mode works properly', function()
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it('when using i_CTRL-G_u #20248', function()
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command('inoremap . .<C-G>u')
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test_preview_break_undo()
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end)
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it('when setting &l:undolevels to itself #24575', function()
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command('inoremap . .<Cmd>let &l:undolevels = &l:undolevels<CR>')
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test_preview_break_undo()
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end)
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end)
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it('disables preview if preview buffer cannot be created #27086', function()
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command('set inccommand=split')
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api.nvim_buf_set_name(0, '[Preview]')
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exec_lua([[
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vim.api.nvim_create_user_command('Test', function() end, {
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nargs = '*',
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preview = function(_, _, _)
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return 2
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end
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})
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]])
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eq('split', api.nvim_get_option_value('inccommand', {}))
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feed(':Test')
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eq('nosplit', api.nvim_get_option_value('inccommand', {}))
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end)
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end)
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describe("'inccommand' with multiple buffers", function()
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local screen
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before_each(function()
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clear()
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screen = Screen.new(40, 17)
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screen:attach()
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exec_lua(setup_replace_cmd)
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command('set cmdwinheight=10')
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insert [[
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foo bar baz
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bar baz foo
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baz foo bar
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]]
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command('vsplit | enew')
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insert [[
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bar baz foo
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baz foo bar
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foo bar baz
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]]
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end)
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it('works', function()
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command('set inccommand=nosplit')
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feed(':Replace foo bar')
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screen:expect([[
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bar baz {10:bar} │ {10:bar} bar baz |
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baz {10:bar} bar │ bar baz {10:bar} |
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{10:bar} bar baz │ baz {10:bar} bar |
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│ |
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{1:~ }│{1:~ }|*11
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{3:[No Name] [+] }{2:[No Name] [+] }|
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:Replace foo bar^ |
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]])
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feed('<CR>')
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screen:expect([[
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bar baz bar │ bar bar baz |
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baz bar bar │ bar baz bar |
|
|
bar bar baz │ baz bar bar |
|
|
^ │ |
|
|
{1:~ }│{1:~ }|*11
|
|
{3:[No Name] [+] }{2:[No Name] [+] }|
|
|
:Replace foo bar |
|
|
]])
|
|
end)
|
|
|
|
it('works with inccommand=split', function()
|
|
command('set inccommand=split')
|
|
feed(':Replace foo bar')
|
|
screen:expect([[
|
|
bar baz {10:bar} │ {10:bar} bar baz |
|
|
baz {10:bar} bar │ bar baz {10:bar} |
|
|
{10:bar} bar baz │ baz {10:bar} bar |
|
|
│ |
|
|
{3:[No Name] [+] }{2:[No Name] [+] }|
|
|
Buffer #1: |
|
|
|1| {10:bar} bar baz |
|
|
|2| bar baz {10:bar} |
|
|
|3| baz {10:bar} bar |
|
|
Buffer #2: |
|
|
|1| bar baz {10:bar} |
|
|
|2| baz {10:bar} bar |
|
|
|3| {10:bar} bar baz |
|
|
|
|
|
{1:~ }|
|
|
{2:[Preview] }|
|
|
:Replace foo bar^ |
|
|
]])
|
|
feed('<CR>')
|
|
screen:expect([[
|
|
bar baz bar │ bar bar baz |
|
|
baz bar bar │ bar baz bar |
|
|
bar bar baz │ baz bar bar |
|
|
^ │ |
|
|
{1:~ }│{1:~ }|*11
|
|
{3:[No Name] [+] }{2:[No Name] [+] }|
|
|
:Replace foo bar |
|
|
]])
|
|
end)
|
|
end)
|