mirror of
https://github.com/neovim/neovim.git
synced 2024-12-29 14:41:06 -07:00
7a3f86481e
Problem: The :defer command does not check the function argument count and
types.
Solution: Check the function arguments when adding a deferred function.
169003289f
Cherry-pick check_internal_func() from Vim, but use EvalFuncDef pointer
as first argument.
Co-authored-by: Bram Moolenaar <Bram@vim.org>
724 lines
18 KiB
VimL
724 lines
18 KiB
VimL
" Test for user functions.
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" Also test an <expr> mapping calling a function.
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" Also test that a builtin function cannot be replaced.
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" Also test for regression when calling arbitrary expression.
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source check.vim
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source shared.vim
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source vim9.vim
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func Table(title, ...)
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let ret = a:title
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let idx = 1
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while idx <= a:0
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exe "let ret = ret . a:" . idx
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let idx = idx + 1
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endwhile
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return ret
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endfunc
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func Compute(n1, n2, divname)
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if a:n2 == 0
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return "fail"
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endif
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exe "let g:" . a:divname . " = ". a:n1 / a:n2
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return "ok"
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endfunc
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func Expr1()
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silent! normal! v
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return "111"
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endfunc
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func Expr2()
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call search('XX', 'b')
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return "222"
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endfunc
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func ListItem()
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let g:counter += 1
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return g:counter . '. '
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endfunc
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func ListReset()
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let g:counter = 0
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return ''
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endfunc
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func FuncWithRef(a)
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unlet g:FuncRef
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return a:a
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endfunc
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func Test_user_func()
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let g:FuncRef = function("FuncWithRef")
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let g:counter = 0
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inoremap <expr> ( ListItem()
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inoremap <expr> [ ListReset()
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imap <expr> + Expr1()
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imap <expr> * Expr2()
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let g:retval = "nop"
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call assert_equal('xxx4asdf', Table("xxx", 4, "asdf"))
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call assert_equal('fail', Compute(45, 0, "retval"))
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call assert_equal('nop', g:retval)
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call assert_equal('ok', Compute(45, 5, "retval"))
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call assert_equal(9, g:retval)
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call assert_equal(333, g:FuncRef(333))
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let g:retval = "nop"
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call assert_equal('xxx4asdf', "xxx"->Table(4, "asdf"))
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call assert_equal('fail', 45->Compute(0, "retval"))
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call assert_equal('nop', g:retval)
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call assert_equal('ok', 45->Compute(5, "retval"))
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call assert_equal(9, g:retval)
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" call assert_equal(333, 333->g:FuncRef())
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enew
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normal oXX+-XX
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call assert_equal('XX111-XX', getline('.'))
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normal o---*---
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call assert_equal('---222---', getline('.'))
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normal o(one
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call assert_equal('1. one', getline('.'))
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normal o(two
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call assert_equal('2. two', getline('.'))
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normal o[(one again
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call assert_equal('1. one again', getline('.'))
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" Try to overwrite a function in the global (g:) scope
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call assert_equal(3, max([1, 2, 3]))
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call assert_fails("call extend(g:, {'max': function('min')})", 'E704')
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call assert_equal(3, max([1, 2, 3]))
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" Try to overwrite an user defined function with a function reference
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call assert_fails("let Expr1 = function('min')", 'E705:')
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" Regression: the first line below used to throw ?E110: Missing ')'?
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" Second is here just to prove that this line is correct when not skipping
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" rhs of &&.
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call assert_equal(0, (0 && (function('tr'))(1, 2, 3)))
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call assert_equal(1, (1 && (function('tr'))(1, 2, 3)))
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delfunc Table
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delfunc Compute
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delfunc Expr1
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delfunc Expr2
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delfunc ListItem
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delfunc ListReset
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unlet g:retval g:counter
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enew!
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endfunc
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func Log(val, base = 10)
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return log(a:val) / log(a:base)
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endfunc
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func Args(mandatory, optional = v:null, ...)
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return deepcopy(a:)
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endfunc
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func Args2(a = 1, b = 2, c = 3)
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return deepcopy(a:)
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endfunc
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func MakeBadFunc()
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func s:fcn(a, b=1, c)
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endfunc
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endfunc
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func Test_default_arg()
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if has('float')
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call assert_equal(1.0, Log(10))
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call assert_equal(log(10), Log(10, exp(1)))
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call assert_fails("call Log(1,2,3)", 'E118')
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endif
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let res = Args(1)
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call assert_equal(res.mandatory, 1)
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call assert_equal(res.optional, v:null)
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call assert_equal(res['0'], 0)
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let res = Args(1,2)
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call assert_equal(res.mandatory, 1)
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call assert_equal(res.optional, 2)
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call assert_equal(res['0'], 0)
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let res = Args(1,2,3)
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call assert_equal(res.mandatory, 1)
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call assert_equal(res.optional, 2)
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call assert_equal(res['0'], 1)
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call assert_fails("call MakeBadFunc()", 'E989:')
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call assert_fails("fu F(a=1 ,) | endf", 'E1068:')
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" Since neovim does not have v:none, the ability to use the default
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" argument with the intermediate argument set to v:none has been omitted.
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" Therefore, this test is not performed.
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" let d = Args2(7, v:none, 9)
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" call assert_equal([7, 2, 9], [d.a, d.b, d.c])
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call assert_equal("\n"
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\ .. " function Args2(a = 1, b = 2, c = 3)\n"
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\ .. "1 return deepcopy(a:)\n"
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\ .. " endfunction",
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\ execute('func Args2'))
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" Error in default argument expression
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let l =<< trim END
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func F1(x = y)
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return a:x * 2
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endfunc
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echo F1()
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END
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let @a = l->join("\n")
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call assert_fails("exe @a", 'E121:')
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endfunc
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func s:addFoo(lead)
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return a:lead .. 'foo'
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endfunc
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func Test_user_method()
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eval 'bar'->s:addFoo()->assert_equal('barfoo')
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endfunc
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func Test_failed_call_in_try()
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try | call UnknownFunc() | catch | endtry
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endfunc
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" Test for listing user-defined functions
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func Test_function_list()
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call assert_fails("function Xabc", 'E123:')
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endfunc
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" Test for <sfile>, <slnum> in a function
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func Test_sfile_in_function()
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func Xfunc()
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call assert_match('..Test_sfile_in_function\[5]..Xfunc', expand('<sfile>'))
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call assert_equal('2', expand('<slnum>'))
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endfunc
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call Xfunc()
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delfunc Xfunc
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endfunc
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" Test trailing text after :endfunction {{{1
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func Test_endfunction_trailing()
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call assert_false(exists('*Xtest'))
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exe "func Xtest()\necho 'hello'\nendfunc\nlet done = 'yes'"
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call assert_true(exists('*Xtest'))
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call assert_equal('yes', done)
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delfunc Xtest
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unlet done
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exe "func Xtest()\necho 'hello'\nendfunc|let done = 'yes'"
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call assert_true(exists('*Xtest'))
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call assert_equal('yes', done)
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delfunc Xtest
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unlet done
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" trailing line break
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exe "func Xtest()\necho 'hello'\nendfunc\n"
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call assert_true(exists('*Xtest'))
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delfunc Xtest
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set verbose=1
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exe "func Xtest()\necho 'hello'\nendfunc \" garbage"
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call assert_notmatch('W22:', split(execute('1messages'), "\n")[0])
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call assert_true(exists('*Xtest'))
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delfunc Xtest
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exe "func Xtest()\necho 'hello'\nendfunc garbage"
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call assert_match('W22:', split(execute('1messages'), "\n")[0])
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call assert_true(exists('*Xtest'))
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delfunc Xtest
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set verbose=0
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func Xtest(a1, a2)
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echo a:a1 .. a:a2
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endfunc
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set verbose=15
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redir @a
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call Xtest(123, repeat('x', 100))
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redir END
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call assert_match('calling Xtest(123, ''xxxxxxx.*x\.\.\.x.*xxxx'')', getreg('a'))
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delfunc Xtest
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set verbose=0
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function Foo()
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echo 'hello'
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endfunction | echo 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
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delfunc Foo
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endfunc
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func Test_delfunction_force()
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delfunc! Xtest
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delfunc! Xtest
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func Xtest()
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echo 'nothing'
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endfunc
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delfunc! Xtest
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delfunc! Xtest
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" Try deleting the current function
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call assert_fails('delfunc Test_delfunction_force', 'E131:')
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endfunc
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func Test_function_defined_line()
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CheckNotGui
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let lines =<< trim [CODE]
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" F1
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func F1()
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" F2
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func F2()
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"
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"
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"
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return
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endfunc
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" F3
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execute "func F3()\n\n\n\nreturn\nendfunc"
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" F4
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execute "func F4()\n
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\\n
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\\n
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\\n
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\return\n
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\endfunc"
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endfunc
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" F5
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execute "func F5()\n\n\n\nreturn\nendfunc"
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" F6
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execute "func F6()\n
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\\n
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\\n
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\\n
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\return\n
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\endfunc"
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call F1()
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verbose func F1
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verbose func F2
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verbose func F3
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verbose func F4
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verbose func F5
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verbose func F6
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qall!
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[CODE]
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call writefile(lines, 'Xtest.vim')
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let res = system(GetVimCommandClean() .. ' -es -X -S Xtest.vim')
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call assert_equal(0, v:shell_error)
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let m = matchstr(res, 'function F1()[^[:print:]]*[[:print:]]*')
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call assert_match(' line 2$', m)
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let m = matchstr(res, 'function F2()[^[:print:]]*[[:print:]]*')
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call assert_match(' line 4$', m)
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let m = matchstr(res, 'function F3()[^[:print:]]*[[:print:]]*')
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call assert_match(' line 11$', m)
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let m = matchstr(res, 'function F4()[^[:print:]]*[[:print:]]*')
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call assert_match(' line 13$', m)
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let m = matchstr(res, 'function F5()[^[:print:]]*[[:print:]]*')
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call assert_match(' line 21$', m)
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let m = matchstr(res, 'function F6()[^[:print:]]*[[:print:]]*')
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call assert_match(' line 23$', m)
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call delete('Xtest.vim')
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endfunc
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" Test for defining a function reference in the global scope
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func Test_add_funcref_to_global_scope()
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let x = g:
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let caught_E862 = 0
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try
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func x.Xfunc()
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return 1
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endfunc
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catch /E862:/
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let caught_E862 = 1
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endtry
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call assert_equal(1, caught_E862)
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endfunc
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func Test_funccall_garbage_collect()
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func Func(x, ...)
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call add(a:x, a:000)
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endfunc
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call Func([], [])
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" Must not crash cause by invalid freeing
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call test_garbagecollect_now()
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call assert_true(v:true)
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delfunc Func
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endfunc
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" Test for script-local function
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func <SID>DoLast()
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call append(line('$'), "last line")
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endfunc
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func s:DoNothing()
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call append(line('$'), "nothing line")
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endfunc
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func Test_script_local_func()
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set nocp nomore viminfo+=nviminfo
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new
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nnoremap <buffer> _x :call <SID>DoNothing()<bar>call <SID>DoLast()<bar>delfunc <SID>DoNothing<bar>delfunc <SID>DoLast<cr>
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normal _x
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call assert_equal('nothing line', getline(2))
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call assert_equal('last line', getline(3))
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close!
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" Try to call a script local function in global scope
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let lines =<< trim [CODE]
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:call assert_fails('call s:Xfunc()', 'E81:')
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:call assert_fails('let x = call("<SID>Xfunc", [])', 'E120:')
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:call writefile(v:errors, 'Xresult')
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:qall
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[CODE]
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call writefile(lines, 'Xscript')
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if RunVim([], [], '-s Xscript')
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call assert_equal([], readfile('Xresult'))
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endif
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call delete('Xresult')
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call delete('Xscript')
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endfunc
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" Test for errors in defining new functions
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func Test_func_def_error()
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call assert_fails('func Xfunc abc ()', 'E124:')
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call assert_fails('func Xfunc(', 'E125:')
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call assert_fails('func xfunc()', 'E128:')
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" Try to redefine a function that is in use
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let caught_E127 = 0
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try
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func! Test_func_def_error()
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endfunc
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catch /E127:/
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let caught_E127 = 1
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endtry
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call assert_equal(1, caught_E127)
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" Try to define a function in a dict twice
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let d = {}
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let lines =<< trim END
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func d.F1()
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return 1
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endfunc
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END
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let l = join(lines, "\n") . "\n"
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exe l
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call assert_fails('exe l', 'E717:')
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" Define an autoload function with an incorrect file name
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call writefile(['func foo#Bar()', 'return 1', 'endfunc'], 'Xscript')
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call assert_fails('source Xscript', 'E746:')
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call delete('Xscript')
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" Try to list functions using an invalid search pattern
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call assert_fails('function /\%(/', 'E53:')
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endfunc
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" Test for deleting a function
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func Test_del_func()
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call assert_fails('delfunction Xabc', 'E130:')
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let d = {'a' : 10}
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call assert_fails('delfunc d.a', 'E718:')
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func d.fn()
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return 1
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endfunc
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" cannot delete the dict function by number
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let nr = substitute(execute('echo d'), '.*function(''\(\d\+\)'').*', '\1', '')
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call assert_fails('delfunction g:' .. nr, 'E475: Invalid argument: g:')
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delfunc d.fn
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call assert_equal({'a' : 10}, d)
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endfunc
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" Test for calling return outside of a function
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func Test_return_outside_func()
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call writefile(['return 10'], 'Xscript')
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call assert_fails('source Xscript', 'E133:')
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call delete('Xscript')
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endfunc
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" Test for errors in calling a function
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func Test_func_arg_error()
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" Too many arguments
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call assert_fails("call call('min', range(1,20))", 'E118:')
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call assert_fails("call call('min', range(1,21))", 'E699:')
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call assert_fails('echo min(0,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,0,1)',
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\ 'E740:')
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" Missing dict argument
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func Xfunc() dict
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return 1
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endfunc
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call assert_fails('call Xfunc()', 'E725:')
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delfunc Xfunc
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endfunc
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func Test_func_dict()
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let mydict = {'a': 'b'}
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function mydict.somefunc() dict
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return len(self)
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endfunc
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call assert_equal("{'a': 'b', 'somefunc': function('3')}", string(mydict))
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call assert_equal(2, mydict.somefunc())
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call assert_match("^\n function \\d\\\+() dict"
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\ .. "\n1 return len(self)"
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\ .. "\n endfunction$", execute('func mydict.somefunc'))
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call assert_fails('call mydict.nonexist()', 'E716:')
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endfunc
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func Test_func_range()
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new
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call setline(1, range(1, 8))
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func FuncRange() range
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echo a:firstline
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echo a:lastline
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endfunc
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3
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call assert_equal("\n3\n3", execute('call FuncRange()'))
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call assert_equal("\n4\n6", execute('4,6 call FuncRange()'))
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call assert_equal("\n function FuncRange() range"
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\ .. "\n1 echo a:firstline"
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\ .. "\n2 echo a:lastline"
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\ .. "\n endfunction",
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\ execute('function FuncRange'))
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bwipe!
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endfunc
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" Test for memory allocation failure when defining a new function
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func Test_funcdef_alloc_failure()
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CheckFunction test_alloc_fail
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new
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let lines =<< trim END
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func Xtestfunc()
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return 321
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endfunc
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END
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call setline(1, lines)
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call test_alloc_fail(GetAllocId('get_func'), 0, 0)
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call assert_fails('source', 'E342:')
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call assert_false(exists('*Xtestfunc'))
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call assert_fails('delfunc Xtestfunc', 'E117:')
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%d _
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let lines =<< trim END
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def g:Xvim9func(): number
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return 456
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enddef
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END
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call setline(1, lines)
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call test_alloc_fail(GetAllocId('get_func'), 0, 0)
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call assert_fails('source', 'E342:')
|
|
call assert_false(exists('*Xvim9func'))
|
|
"call test_alloc_fail(GetAllocId('get_func'), 0, 0)
|
|
"call assert_fails('source', 'E342:')
|
|
"call assert_false(exists('*Xtestfunc'))
|
|
"call assert_fails('delfunc Xtestfunc', 'E117:')
|
|
bw!
|
|
endfunc
|
|
|
|
func AddDefer(arg1, ...)
|
|
call extend(g:deferred, [a:arg1])
|
|
if a:0 == 1
|
|
call extend(g:deferred, [a:1])
|
|
endif
|
|
endfunc
|
|
|
|
func WithDeferTwo()
|
|
call extend(g:deferred, ['in Two'])
|
|
for nr in range(3)
|
|
defer AddDefer('Two' .. nr)
|
|
endfor
|
|
call extend(g:deferred, ['end Two'])
|
|
endfunc
|
|
|
|
func WithDeferOne()
|
|
call extend(g:deferred, ['in One'])
|
|
call writefile(['text'], 'Xfuncdefer')
|
|
defer delete('Xfuncdefer')
|
|
defer AddDefer('One')
|
|
call WithDeferTwo()
|
|
call extend(g:deferred, ['end One'])
|
|
endfunc
|
|
|
|
func WithPartialDefer()
|
|
call extend(g:deferred, ['in Partial'])
|
|
let Part = funcref('AddDefer', ['arg1'])
|
|
defer Part("arg2")
|
|
call extend(g:deferred, ['end Partial'])
|
|
endfunc
|
|
|
|
func Test_defer()
|
|
let g:deferred = []
|
|
call WithDeferOne()
|
|
|
|
call assert_equal(['in One', 'in Two', 'end Two', 'Two2', 'Two1', 'Two0', 'end One', 'One'], g:deferred)
|
|
unlet g:deferred
|
|
|
|
call assert_equal('', glob('Xfuncdefer'))
|
|
|
|
call assert_fails('defer delete("Xfuncdefer")->Another()', 'E488:')
|
|
call assert_fails('defer delete("Xfuncdefer").member', 'E488:')
|
|
|
|
let g:deferred = []
|
|
call WithPartialDefer()
|
|
call assert_equal(['in Partial', 'end Partial', 'arg1', 'arg2'], g:deferred)
|
|
unlet g:deferred
|
|
|
|
let Part = funcref('AddDefer', ['arg1'], {})
|
|
call assert_fails('defer Part("arg2")', 'E1300:')
|
|
endfunc
|
|
|
|
func DeferLevelTwo()
|
|
call writefile(['text'], 'XDeleteTwo', 'D')
|
|
throw 'someerror'
|
|
endfunc
|
|
|
|
" def DeferLevelOne()
|
|
func DeferLevelOne()
|
|
call writefile(['text'], 'XDeleteOne', 'D')
|
|
call g:DeferLevelTwo()
|
|
" enddef
|
|
endfunc
|
|
|
|
func Test_defer_throw()
|
|
let caught = 'no'
|
|
try
|
|
call DeferLevelOne()
|
|
catch /someerror/
|
|
let caught = 'yes'
|
|
endtry
|
|
call assert_equal('yes', caught)
|
|
call assert_false(filereadable('XDeleteOne'))
|
|
call assert_false(filereadable('XDeleteTwo'))
|
|
endfunc
|
|
|
|
func Test_defer_quitall()
|
|
let lines =<< trim END
|
|
" vim9script
|
|
func DeferLevelTwo()
|
|
call writefile(['text'], 'XQuitallTwo', 'D')
|
|
qa!
|
|
endfunc
|
|
|
|
" def DeferLevelOne()
|
|
func DeferLevelOne()
|
|
call writefile(['text'], 'XQuitallOne', 'D')
|
|
call DeferLevelTwo()
|
|
" enddef
|
|
endfunc
|
|
|
|
" DeferLevelOne()
|
|
call DeferLevelOne()
|
|
END
|
|
call writefile(lines, 'XdeferQuitall', 'D')
|
|
let res = system(GetVimCommand() .. ' -X -S XdeferQuitall')
|
|
call assert_equal(0, v:shell_error)
|
|
call assert_false(filereadable('XQuitallOne'))
|
|
call assert_false(filereadable('XQuitallTwo'))
|
|
endfunc
|
|
|
|
func Test_defer_quitall_in_expr_func()
|
|
throw 'Skipped: Vim9 script is N/A'
|
|
let lines =<< trim END
|
|
def DefIndex(idx: number, val: string): bool
|
|
call writefile([idx .. ': ' .. val], 'Xentry' .. idx, 'D')
|
|
if val == 'b'
|
|
qa!
|
|
endif
|
|
return val == 'c'
|
|
enddef
|
|
|
|
def Test_defer_in_funcref()
|
|
assert_equal(2, indexof(['a', 'b', 'c'], funcref('g:DefIndex')))
|
|
enddef
|
|
call Test_defer_in_funcref()
|
|
END
|
|
call writefile(lines, 'XdeferQuitallExpr', 'D')
|
|
let res = system(GetVimCommand() .. ' -X -S XdeferQuitallExpr')
|
|
call assert_equal(0, v:shell_error)
|
|
call assert_false(filereadable('Xentry0'))
|
|
call assert_false(filereadable('Xentry1'))
|
|
call assert_false(filereadable('Xentry2'))
|
|
endfunc
|
|
|
|
func FuncIndex(idx, val)
|
|
call writefile([a:idx .. ': ' .. a:val], 'Xentry' .. a:idx, 'D')
|
|
return a:val == 'c'
|
|
endfunc
|
|
|
|
func Test_defer_wrong_arguments()
|
|
call assert_fails('defer delete()', 'E119:')
|
|
call assert_fails('defer FuncIndex(1)', 'E119:')
|
|
call assert_fails('defer delete(1, 2, 3)', 'E118:')
|
|
call assert_fails('defer FuncIndex(1, 2, 3)', 'E118:')
|
|
|
|
throw 'Skipped: Vim9 script is N/A'
|
|
let lines =<< trim END
|
|
def DeferFunc0()
|
|
defer delete()
|
|
enddef
|
|
defcompile
|
|
END
|
|
call v9.CheckScriptFailure(lines, 'E119:')
|
|
let lines =<< trim END
|
|
def DeferFunc3()
|
|
defer delete(1, 2, 3)
|
|
enddef
|
|
defcompile
|
|
END
|
|
call v9.CheckScriptFailure(lines, 'E118:')
|
|
let lines =<< trim END
|
|
def DeferFunc2()
|
|
defer delete(1, 2)
|
|
enddef
|
|
defcompile
|
|
END
|
|
call v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected string but got number')
|
|
|
|
def g:FuncOneArg(arg: string)
|
|
echo arg
|
|
enddef
|
|
|
|
let lines =<< trim END
|
|
def DeferUserFunc0()
|
|
defer g:FuncOneArg()
|
|
enddef
|
|
defcompile
|
|
END
|
|
call v9.CheckScriptFailure(lines, 'E119:')
|
|
let lines =<< trim END
|
|
def DeferUserFunc2()
|
|
defer g:FuncOneArg(1, 2)
|
|
enddef
|
|
defcompile
|
|
END
|
|
call v9.CheckScriptFailure(lines, 'E118:')
|
|
let lines =<< trim END
|
|
def DeferUserFunc1()
|
|
defer g:FuncOneArg(1)
|
|
enddef
|
|
defcompile
|
|
END
|
|
call v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected string but got number')
|
|
endfunc
|
|
|
|
|
|
" vim: shiftwidth=2 sts=2 expandtab
|