mirror of
https://github.com/neovim/neovim.git
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433 lines
15 KiB
Lua
433 lines
15 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local Screen = require('test.functional.ui.screen')
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local NIL = helpers.NIL
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local clear, nvim, eq, neq = helpers.clear, helpers.nvim, helpers.eq, helpers.neq
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local ok, nvim_async, feed = helpers.ok, helpers.nvim_async, helpers.feed
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local os_name = helpers.os_name
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local meths = helpers.meths
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local funcs = helpers.funcs
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local request = helpers.request
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describe('api', function()
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before_each(clear)
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describe('nvim_command', function()
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it('works', function()
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local fname = helpers.tmpname()
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nvim('command', 'new')
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nvim('command', 'edit '..fname)
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nvim('command', 'normal itesting\napi')
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nvim('command', 'w')
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local f = io.open(fname)
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ok(f ~= nil)
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if os_name() == 'windows' then
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eq('testing\r\napi\r\n', f:read('*a'))
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else
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eq('testing\napi\n', f:read('*a'))
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end
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f:close()
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os.remove(fname)
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end)
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it("VimL error: fails (VimL error), does NOT update v:errmsg", function()
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-- Most API methods return generic errors (or no error) if a VimL
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-- expression fails; nvim_command returns the VimL error details.
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local status, rv = pcall(nvim, "command", "bogus_command")
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eq(false, status) -- nvim_command() failed.
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eq("E492:", string.match(rv, "E%d*:")) -- VimL error was returned.
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eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated.
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end)
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end)
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describe('nvim_eval', function()
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it('works', function()
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nvim('command', 'let g:v1 = "a"')
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nvim('command', 'let g:v2 = [1, 2, {"v3": 3}]')
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eq({v1 = 'a', v2 = {1, 2, {v3 = 3}}}, nvim('eval', 'g:'))
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end)
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it('handles NULL-initialized strings correctly', function()
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eq(1, nvim('eval',"matcharg(1) == ['', '']"))
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eq({'', ''}, nvim('eval','matcharg(1)'))
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end)
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it('works under deprecated name', function()
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eq(2, request("vim_eval", "1+1"))
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end)
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it("VimL error: fails (generic error), does NOT update v:errmsg", function()
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local status, rv = pcall(nvim, "eval", "bogus expression")
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eq(false, status) -- nvim_eval() failed.
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ok(nil ~= string.find(rv, "Failed to evaluate expression"))
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eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated.
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end)
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end)
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describe('nvim_call_function', function()
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it('works', function()
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nvim('call_function', 'setqflist', {{{ filename = 'something', lnum = 17}}, 'r'})
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eq(17, nvim('call_function', 'getqflist', {})[1].lnum)
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eq(17, nvim('call_function', 'eval', {17}))
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eq('foo', nvim('call_function', 'simplify', {'this/./is//redundant/../../../foo'}))
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end)
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it("VimL error: fails (generic error), does NOT update v:errmsg", function()
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local status, rv = pcall(nvim, "call_function", "bogus function", {"arg1"})
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eq(false, status) -- nvim_call_function() failed.
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ok(nil ~= string.find(rv, "Error calling function"))
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eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated.
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end)
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end)
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describe('nvim_input', function()
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it("VimL error: does NOT fail, updates v:errmsg", function()
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local status, _ = pcall(nvim, "input", ":call bogus_fn()<CR>")
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local v_errnum = string.match(nvim("eval", "v:errmsg"), "E%d*:")
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eq(true, status) -- nvim_input() did not fail.
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eq("E117:", v_errnum) -- v:errmsg was updated.
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end)
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end)
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describe('nvim_strwidth', function()
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it('works', function()
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eq(3, nvim('strwidth', 'abc'))
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-- 6 + (neovim)
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-- 19 * 2 (each japanese character occupies two cells)
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eq(44, nvim('strwidth', 'neovimのデザインかなりまともなのになってる。'))
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end)
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it('cannot handle NULs', function()
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eq(0, nvim('strwidth', '\0abc'))
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end)
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end)
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describe('nvim_get_current_line, nvim_set_current_line', function()
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it('works', function()
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eq('', nvim('get_current_line'))
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nvim('set_current_line', 'abc')
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eq('abc', nvim('get_current_line'))
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end)
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end)
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describe('nvim_get_var, nvim_set_var, nvim_del_var', function()
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it('works', function()
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nvim('set_var', 'lua', {1, 2, {['3'] = 1}})
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eq({1, 2, {['3'] = 1}}, nvim('get_var', 'lua'))
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eq({1, 2, {['3'] = 1}}, nvim('eval', 'g:lua'))
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eq(1, funcs.exists('g:lua'))
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meths.del_var('lua')
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eq(0, funcs.exists('g:lua'))
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end)
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it('vim_set_var returns the old value', function()
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local val1 = {1, 2, {['3'] = 1}}
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local val2 = {4, 7}
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eq(NIL, request('vim_set_var', 'lua', val1))
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eq(val1, request('vim_set_var', 'lua', val2))
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end)
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it('vim_del_var returns the old value', function()
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local val1 = {1, 2, {['3'] = 1}}
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local val2 = {4, 7}
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eq(NIL, request('vim_set_var', 'lua', val1))
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eq(val1, request('vim_set_var', 'lua', val2))
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eq(val2, request('vim_del_var', 'lua'))
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end)
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it('truncates values with NULs in them', function()
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nvim('set_var', 'xxx', 'ab\0cd')
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eq('ab', nvim('get_var', 'xxx'))
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end)
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end)
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describe('nvim_get_option, nvim_set_option', function()
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it('works', function()
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ok(nvim('get_option', 'equalalways'))
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nvim('set_option', 'equalalways', false)
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ok(not nvim('get_option', 'equalalways'))
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end)
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end)
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describe('nvim_{get,set}_current_buf, nvim_list_bufs', function()
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it('works', function()
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eq(1, #nvim('list_bufs'))
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eq(nvim('list_bufs')[1], nvim('get_current_buf'))
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nvim('command', 'new')
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eq(2, #nvim('list_bufs'))
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eq(nvim('list_bufs')[2], nvim('get_current_buf'))
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nvim('set_current_buf', nvim('list_bufs')[1])
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eq(nvim('list_bufs')[1], nvim('get_current_buf'))
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end)
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end)
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describe('nvim_{get,set}_current_win, nvim_list_wins', function()
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it('works', function()
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eq(1, #nvim('list_wins'))
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eq(nvim('list_wins')[1], nvim('get_current_win'))
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nvim('command', 'vsplit')
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nvim('command', 'split')
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eq(3, #nvim('list_wins'))
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eq(nvim('list_wins')[1], nvim('get_current_win'))
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nvim('set_current_win', nvim('list_wins')[2])
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eq(nvim('list_wins')[2], nvim('get_current_win'))
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end)
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end)
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describe('nvim_{get,set}_current_tabpage, nvim_list_tabpages', function()
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it('works', function()
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eq(1, #nvim('list_tabpages'))
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eq(nvim('list_tabpages')[1], nvim('get_current_tabpage'))
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nvim('command', 'tabnew')
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eq(2, #nvim('list_tabpages'))
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eq(2, #nvim('list_wins'))
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eq(nvim('list_wins')[2], nvim('get_current_win'))
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eq(nvim('list_tabpages')[2], nvim('get_current_tabpage'))
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nvim('set_current_win', nvim('list_wins')[1])
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-- Switching window also switches tabpages if necessary
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eq(nvim('list_tabpages')[1], nvim('get_current_tabpage'))
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eq(nvim('list_wins')[1], nvim('get_current_win'))
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nvim('set_current_tabpage', nvim('list_tabpages')[2])
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eq(nvim('list_tabpages')[2], nvim('get_current_tabpage'))
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eq(nvim('list_wins')[2], nvim('get_current_win'))
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end)
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end)
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describe('nvim_replace_termcodes', function()
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it('escapes K_SPECIAL as K_SPECIAL KS_SPECIAL KE_FILLER', function()
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eq('\128\254X', helpers.nvim('replace_termcodes', '\128', true, true, true))
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end)
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it('leaves non-K_SPECIAL string unchanged', function()
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eq('abc', helpers.nvim('replace_termcodes', 'abc', true, true, true))
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end)
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it('converts <expressions>', function()
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eq('\\', helpers.nvim('replace_termcodes', '<Leader>', true, true, true))
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end)
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it('converts <LeftMouse> to K_SPECIAL KS_EXTRA KE_LEFTMOUSE', function()
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-- K_SPECIAL KS_EXTRA KE_LEFTMOUSE
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-- 0x80 0xfd 0x2c
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-- 128 253 44
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eq('\128\253\44', helpers.nvim('replace_termcodes',
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'<LeftMouse>', true, true, true))
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end)
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end)
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describe('nvim_feedkeys', function()
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it('CSI escaping', function()
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local function on_setup()
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-- notice the special char(…) \xe2\80\xa6
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nvim('feedkeys', ':let x1="…"\n', '', true)
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-- Both replace_termcodes and feedkeys escape \x80
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local inp = helpers.nvim('replace_termcodes', ':let x2="…"<CR>', true, true, true)
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nvim('feedkeys', inp, '', true)
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-- Disabling CSI escaping in feedkeys
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inp = helpers.nvim('replace_termcodes', ':let x3="…"<CR>', true, true, true)
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nvim('feedkeys', inp, '', false)
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helpers.stop()
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end
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-- spin the loop a bit
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helpers.run(nil, nil, on_setup)
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eq(nvim('get_var', 'x1'), '…')
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-- Because of the double escaping this is neq
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neq(nvim('get_var', 'x2'), '…')
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eq(nvim('get_var', 'x3'), '…')
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end)
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end)
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describe('nvim_err_write', 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, 8)
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screen:attach()
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screen:set_default_attr_ids({
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[0] = {bold=true, foreground=Screen.colors.Blue},
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[1] = {foreground = Screen.colors.White, background = Screen.colors.Red},
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[2] = {bold = true, foreground = Screen.colors.SeaGreen}
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})
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end)
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it('can show one line', function()
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nvim_async('err_write', 'has bork\n')
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screen:expect([[
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^ |
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{1:has bork} |
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]])
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end)
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it('shows return prompt when more than &cmdheight lines', function()
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nvim_async('err_write', 'something happened\nvery bad\n')
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screen:expect([[
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{1:something happened} |
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{1:very bad} |
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{2:Press ENTER or type command to continue}^ |
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]])
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end)
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it('shows return prompt after all lines are shown', function()
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nvim_async('err_write', 'FAILURE\nERROR\nEXCEPTION\nTRACEBACK\n')
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screen:expect([[
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{1:FAILURE} |
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{1:ERROR} |
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{1:EXCEPTION} |
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{1:TRACEBACK} |
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{2:Press ENTER or type command to continue}^ |
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]])
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end)
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it('handles multiple calls', function()
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-- without linebreak text is joined to one line
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nvim_async('err_write', 'very ')
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nvim_async('err_write', 'fail\n')
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screen:expect([[
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^ |
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{1:very fail} |
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]])
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helpers.wait()
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-- shows up to &cmdheight lines
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nvim_async('err_write', 'more fail\ntoo fail\n')
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screen:expect([[
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{1:more fail} |
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{1:too fail} |
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{2:Press ENTER or type command to continue}^ |
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]])
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feed('<cr>') -- exit the press ENTER screen
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end)
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end)
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describe('nvim_call_atomic', function()
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it('works', function()
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meths.buf_set_lines(0, 0, -1, true, {'first'})
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local req = {
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{'nvim_get_current_line', {}},
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{'nvim_set_current_line', {'second'}},
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}
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eq({{'first', NIL}, NIL}, meths.call_atomic(req))
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eq({'second'}, meths.buf_get_lines(0, 0, -1, true))
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end)
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it('allows multiple return values', function()
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local req = {
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{'nvim_set_var', {'avar', true}},
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{'nvim_set_var', {'bvar', 'string'}},
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{'nvim_get_var', {'avar'}},
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{'nvim_get_var', {'bvar'}},
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}
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eq({{NIL, NIL, true, 'string'}, NIL}, meths.call_atomic(req))
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end)
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it('is aborted by errors in call', function()
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local error_types = meths.get_api_info()[2].error_types
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local req = {
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{'nvim_set_var', {'one', 1}},
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{'nvim_buf_set_lines', {}},
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{'nvim_set_var', {'two', 2}},
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}
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eq({{NIL}, {1, error_types.Exception.id,
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'Wrong number of arguments: expecting 5 but got 0'}},
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meths.call_atomic(req))
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eq(1, meths.get_var('one'))
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eq(false, pcall(meths.get_var, 'two'))
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-- still returns all previous successful calls
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req = {
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{'nvim_set_var', {'avar', 5}},
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{'nvim_set_var', {'bvar', 'string'}},
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{'nvim_get_var', {'avar'}},
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{'nvim_buf_get_lines', {0, 10, 20, true}},
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{'nvim_get_var', {'bvar'}},
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}
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eq({{NIL, NIL, 5}, {3, error_types.Validation.id, 'Index out of bounds'}},
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meths.call_atomic(req))
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req = {
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{'i_am_not_a_method', {'xx'}},
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{'nvim_set_var', {'avar', 10}},
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}
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eq({{}, {0, error_types.Exception.id, 'Invalid method name'}},
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meths.call_atomic(req))
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eq(5, meths.get_var('avar'))
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end)
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it('throws error on malformated arguments', function()
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local req = {
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{'nvim_set_var', {'avar', 1}},
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{'nvim_set_var'},
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{'nvim_set_var', {'avar', 2}},
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}
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local status, err = pcall(meths.call_atomic, req)
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eq(false, status)
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ok(err:match(' All items in calls array must be arrays of size 2') ~= nil)
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-- call before was done, but not after
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eq(1, meths.get_var('avar'))
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req = {
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{'nvim_set_var', {'bvar', {2,3}}},
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12,
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}
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status, err = pcall(meths.call_atomic, req)
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eq(false, status)
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ok(err:match('All items in calls array must be arrays') ~= nil)
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eq({2,3}, meths.get_var('bvar'))
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req = {
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{'nvim_set_current_line', 'little line'},
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{'nvim_set_var', {'avar', 3}},
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}
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status, err = pcall(meths.call_atomic, req)
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eq(false, status)
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ok(err:match('args must be Array') ~= nil)
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-- call before was done, but not after
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eq(1, meths.get_var('avar'))
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eq({''}, meths.buf_get_lines(0, 0, -1, true))
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end)
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end)
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it('can throw exceptions', function()
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local status, err = pcall(nvim, 'get_option', 'invalid-option')
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eq(false, status)
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ok(err:match('Invalid option name') ~= nil)
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end)
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it("doesn't leak memory on incorrect argument types", function()
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local status, err = pcall(nvim, 'set_current_dir',{'not', 'a', 'dir'})
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eq(false, status)
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ok(err:match(': Wrong type for argument 1, expecting String') ~= nil)
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end)
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end)
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