view src/testdir/vim9.vim @ 23254:4b7e996354e0 v8.2.2173

patch 8.2.2173: Vim9: get internal error when assigning to undefined variable Commit: https://github.com/vim/vim/commit/52c124d3303d3cc3e4504708881906d17d6d6c55 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 20 21:43:35 2020 +0100 patch 8.2.2173: Vim9: get internal error when assigning to undefined variable Problem: Vim9: get internal error when assigning to undefined variable. Solution: Add error message. (closes https://github.com/vim/vim/issues/7475)
author Bram Moolenaar <Bram@vim.org>
date Sun, 20 Dec 2020 21:45:04 +0100
parents f2d05fb28e54
children e8c379b20765
line wrap: on
line source

" Utility functions for testing vim9 script

" Use a different file name for each run.
let s:sequence = 1

" Check that "lines" inside a ":def" function has no error.
func CheckDefSuccess(lines)
  let cwd = getcwd()
  let fname = 'XdefSuccess' .. s:sequence
  let s:sequence += 1
  call writefile(['def Func()'] + a:lines + ['enddef', 'defcompile'], fname)
  try
    exe 'so ' .. fname
    call Func()
    delfunc! Func
  finally
    call chdir(cwd)
    call delete(fname)
  endtry
endfunc

" Check that "lines" inside ":def" results in an "error" message.
" If "lnum" is given check that the error is reported for this line.
" Add a line before and after to make it less likely that the line number is
" accidentally correct.
func CheckDefFailure(lines, error, lnum = -3)
  let cwd = getcwd()
  let fname = 'XdefFailure' .. s:sequence
  let s:sequence += 1
  call writefile(['def Func()', '# comment'] + a:lines + ['#comment', 'enddef', 'defcompile'], fname)
  try
    call assert_fails('so ' .. fname, a:error, a:lines, a:lnum + 1)
  finally
    call chdir(cwd)
    call delete(fname)
    delfunc! Func
  endtry
endfunc

" Check that "lines" inside ":def" results in an "error" message when executed.
" If "lnum" is given check that the error is reported for this line.
" Add a line before and after to make it less likely that the line number is
" accidentally correct.
func CheckDefExecFailure(lines, error, lnum = -3)
  let cwd = getcwd()
  let fname = 'XdefExecFailure' .. s:sequence
  let s:sequence += 1
  call writefile(['def Func()', '# comment'] + a:lines + ['#comment', 'enddef'], fname)
  try
    exe 'so ' .. fname
    call assert_fails('call Func()', a:error, a:lines, a:lnum + 1)
  finally
    call chdir(cwd)
    call delete(fname)
    delfunc! Func
  endtry
endfunc

def CheckScriptFailure(lines: list<string>, error: string, lnum = -3)
  var cwd = getcwd()
  var fname = 'XScriptFailure' .. s:sequence
  s:sequence += 1
  writefile(lines, fname)
  try
    assert_fails('so ' .. fname, error, lines, lnum)
  finally
    chdir(cwd)
    delete(fname)
  endtry
enddef

def CheckScriptSuccess(lines: list<string>)
  var cwd = getcwd()
  var fname = 'XScriptSuccess' .. s:sequence
  s:sequence += 1
  writefile(lines, fname)
  try
    exe 'so ' .. fname
  finally
    chdir(cwd)
    delete(fname)
  endtry
enddef

def CheckDefAndScriptSuccess(lines: list<string>)
  CheckDefSuccess(lines)
  CheckScriptSuccess(['vim9script'] + lines)
enddef

" Check that a command fails with the same error when used in a :def function
" and when used in Vim9 script.
def CheckDefAndScriptFailure(lines: list<string>, error: string, lnum = -3)
  CheckDefFailure(lines, error, lnum)
  CheckScriptFailure(['vim9script'] + lines, error, lnum + 1)
enddef

" Check that a command fails with the same error  when executed in a :def
" function and when used in Vim9 script.
def CheckDefExecAndScriptFailure(lines: list<string>, error: string, lnum = -3)
  CheckDefExecFailure(lines, error, lnum)
  CheckScriptFailure(['vim9script'] + lines, error, lnum + 1)
enddef