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vim-patch:8.1.0573: cannot redefine user command without ! in same script

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Problem:    Cannot redefine user command without ! in same script
Solution:   Allow redefining user command without ! in same script, like with
            functions.
55d4691308
This commit is contained in:
Jan Edmund Lazo
2019-10-30 22:22:23 -04:00
parent 3ccdbc570d
commit 903cd73af1
3 changed files with 52 additions and 11 deletions
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28
src/nvim/testdir/test_usercommands.vim
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@@ -184,6 +184,34 @@ func Test_Ambiguous()
call assert_fails("\x4ei\041", 'E492: Not an editor command: Ni!')
endfunc
func Test_redefine_on_reload()
call writefile(['command ExistingCommand echo "yes"'], 'Xcommandexists')
call assert_equal(0, exists(':ExistingCommand'))
source Xcommandexists
call assert_equal(2, exists(':ExistingCommand'))
" Redefining a command when reloading a script is OK.
source Xcommandexists
call assert_equal(2, exists(':ExistingCommand'))
" But redefining in another script is not OK.
call writefile(['command ExistingCommand echo "yes"'], 'Xcommandexists2')
call assert_fails('source Xcommandexists2', 'E174:')
call delete('Xcommandexists2')
" And defining twice in one script is not OK.
delcommand ExistingCommand
call assert_equal(0, exists(':ExistingCommand'))
call writefile([
\ 'command ExistingCommand echo "yes"',
\ 'command ExistingCommand echo "no"',
\ ], 'Xcommandexists')
call assert_fails('source Xcommandexists', 'E174:')
call assert_equal(2, exists(':ExistingCommand'))
call delete('Xcommandexists')
delcommand ExistingCommand
endfunc
func Test_CmdUndefined()
call assert_fails('Doit', 'E492:')
au CmdUndefined Doit :command Doit let g:didit = 'yes'