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-rw-r--r--src/nvim/testdir/test_user_func.vim504
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diff --git a/src/nvim/testdir/test_user_func.vim b/src/nvim/testdir/test_user_func.vim
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-" Test for user functions.
-" Also test an <expr> mapping calling a function.
-" Also test that a builtin function cannot be replaced.
-" Also test for regression when calling arbitrary expression.
-
-source check.vim
-source shared.vim
-
-func Table(title, ...)
- let ret = a:title
- let idx = 1
- while idx <= a:0
- exe "let ret = ret . a:" . idx
- let idx = idx + 1
- endwhile
- return ret
-endfunc
-
-func Compute(n1, n2, divname)
- if a:n2 == 0
- return "fail"
- endif
- exe "let g:" . a:divname . " = ". a:n1 / a:n2
- return "ok"
-endfunc
-
-func Expr1()
- silent! normal! v
- return "111"
-endfunc
-
-func Expr2()
- call search('XX', 'b')
- return "222"
-endfunc
-
-func ListItem()
- let g:counter += 1
- return g:counter . '. '
-endfunc
-
-func ListReset()
- let g:counter = 0
- return ''
-endfunc
-
-func FuncWithRef(a)
- unlet g:FuncRef
- return a:a
-endfunc
-
-func Test_user_func()
- let g:FuncRef = function("FuncWithRef")
- let g:counter = 0
- inoremap <expr> ( ListItem()
- inoremap <expr> [ ListReset()
- imap <expr> + Expr1()
- imap <expr> * Expr2()
- let g:retval = "nop"
-
- call assert_equal('xxx4asdf', Table("xxx", 4, "asdf"))
- call assert_equal('fail', Compute(45, 0, "retval"))
- call assert_equal('nop', g:retval)
- call assert_equal('ok', Compute(45, 5, "retval"))
- call assert_equal(9, g:retval)
- call assert_equal(333, g:FuncRef(333))
-
- let g:retval = "nop"
- call assert_equal('xxx4asdf', "xxx"->Table(4, "asdf"))
- call assert_equal('fail', 45->Compute(0, "retval"))
- call assert_equal('nop', g:retval)
- call assert_equal('ok', 45->Compute(5, "retval"))
- call assert_equal(9, g:retval)
- " call assert_equal(333, 333->g:FuncRef())
-
- enew
-
- normal oXX+-XX
- call assert_equal('XX111-XX', getline('.'))
- normal o---*---
- call assert_equal('---222---', getline('.'))
- normal o(one
- call assert_equal('1. one', getline('.'))
- normal o(two
- call assert_equal('2. two', getline('.'))
- normal o[(one again
- call assert_equal('1. one again', getline('.'))
-
- " Try to overwrite a function in the global (g:) scope
- call assert_equal(3, max([1, 2, 3]))
- call assert_fails("call extend(g:, {'max': function('min')})", 'E704')
- call assert_equal(3, max([1, 2, 3]))
-
- " Try to overwrite an user defined function with a function reference
- call assert_fails("let Expr1 = function('min')", 'E705:')
-
- " Regression: the first line below used to throw ?E110: Missing ')'?
- " Second is here just to prove that this line is correct when not skipping
- " rhs of &&.
- call assert_equal(0, (0 && (function('tr'))(1, 2, 3)))
- call assert_equal(1, (1 && (function('tr'))(1, 2, 3)))
-
- delfunc Table
- delfunc Compute
- delfunc Expr1
- delfunc Expr2
- delfunc ListItem
- delfunc ListReset
- unlet g:retval g:counter
- enew!
-endfunc
-
-func Log(val, base = 10)
- return log(a:val) / log(a:base)
-endfunc
-
-func Args(mandatory, optional = v:null, ...)
- return deepcopy(a:)
-endfunc
-
-func Args2(a = 1, b = 2, c = 3)
- return deepcopy(a:)
-endfunc
-
-func MakeBadFunc()
- func s:fcn(a, b=1, c)
- endfunc
-endfunc
-
-func Test_default_arg()
- if has('float')
- call assert_equal(1.0, Log(10))
- call assert_equal(log(10), Log(10, exp(1)))
- call assert_fails("call Log(1,2,3)", 'E118')
- endif
-
- let res = Args(1)
- call assert_equal(res.mandatory, 1)
- call assert_equal(res.optional, v:null)
- call assert_equal(res['0'], 0)
-
- let res = Args(1,2)
- call assert_equal(res.mandatory, 1)
- call assert_equal(res.optional, 2)
- call assert_equal(res['0'], 0)
-
- let res = Args(1,2,3)
- call assert_equal(res.mandatory, 1)
- call assert_equal(res.optional, 2)
- call assert_equal(res['0'], 1)
-
- call assert_fails("call MakeBadFunc()", 'E989:')
- call assert_fails("fu F(a=1 ,) | endf", 'E1068:')
-
- " Since neovim does not have v:none, the ability to use the default
- " argument with the intermediate argument set to v:none has been omitted.
- " Therefore, this test is not performed.
- " let d = Args2(7, v:none, 9)
- " call assert_equal([7, 2, 9], [d.a, d.b, d.c])
-
- call assert_equal("\n"
- \ .. " function Args2(a = 1, b = 2, c = 3)\n"
- \ .. "1 return deepcopy(a:)\n"
- \ .. " endfunction",
- \ execute('func Args2'))
-
- " Error in default argument expression
- let l =<< trim END
- func F1(x = y)
- return a:x * 2
- endfunc
- echo F1()
- END
- let @a = l->join("\n")
- call assert_fails("exe @a", 'E121:')
-endfunc
-
-func s:addFoo(lead)
- return a:lead .. 'foo'
-endfunc
-
-func Test_user_method()
- eval 'bar'->s:addFoo()->assert_equal('barfoo')
-endfunc
-
-func Test_failed_call_in_try()
- try | call UnknownFunc() | catch | endtry
-endfunc
-
-" Test for listing user-defined functions
-func Test_function_list()
- call assert_fails("function Xabc", 'E123:')
-endfunc
-
-" Test for <sfile>, <slnum> in a function
-func Test_sfile_in_function()
- func Xfunc()
- call assert_match('..Test_sfile_in_function\[5]..Xfunc', expand('<sfile>'))
- call assert_equal('2', expand('<slnum>'))
- endfunc
- call Xfunc()
- delfunc Xfunc
-endfunc
-
-" Test trailing text after :endfunction {{{1
-func Test_endfunction_trailing()
- call assert_false(exists('*Xtest'))
-
- exe "func Xtest()\necho 'hello'\nendfunc\nlet done = 'yes'"
- call assert_true(exists('*Xtest'))
- call assert_equal('yes', done)
- delfunc Xtest
- unlet done
-
- exe "func Xtest()\necho 'hello'\nendfunc|let done = 'yes'"
- call assert_true(exists('*Xtest'))
- call assert_equal('yes', done)
- delfunc Xtest
- unlet done
-
- " trailing line break
- exe "func Xtest()\necho 'hello'\nendfunc\n"
- call assert_true(exists('*Xtest'))
- delfunc Xtest
-
- set verbose=1
- exe "func Xtest()\necho 'hello'\nendfunc \" garbage"
- call assert_notmatch('W22:', split(execute('1messages'), "\n")[0])
- call assert_true(exists('*Xtest'))
- delfunc Xtest
-
- exe "func Xtest()\necho 'hello'\nendfunc garbage"
- call assert_match('W22:', split(execute('1messages'), "\n")[0])
- call assert_true(exists('*Xtest'))
- delfunc Xtest
- set verbose=0
-
- func Xtest(a1, a2)
- echo a:a1 .. a:a2
- endfunc
- set verbose=15
- redir @a
- call Xtest(123, repeat('x', 100))
- redir END
- call assert_match('calling Xtest(123, ''xxxxxxx.*x\.\.\.x.*xxxx'')', getreg('a'))
- delfunc Xtest
- set verbose=0
-
- function Foo()
- echo 'hello'
- endfunction | echo 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
- delfunc Foo
-endfunc
-
-func Test_delfunction_force()
- delfunc! Xtest
- delfunc! Xtest
- func Xtest()
- echo 'nothing'
- endfunc
- delfunc! Xtest
- delfunc! Xtest
-
- " Try deleting the current function
- call assert_fails('delfunc Test_delfunction_force', 'E131:')
-endfunc
-
-func Test_function_defined_line()
- CheckNotGui
-
- let lines =<< trim [CODE]
- " F1
- func F1()
- " F2
- func F2()
- "
- "
- "
- return
- endfunc
- " F3
- execute "func F3()\n\n\n\nreturn\nendfunc"
- " F4
- execute "func F4()\n
- \\n
- \\n
- \\n
- \return\n
- \endfunc"
- endfunc
- " F5
- execute "func F5()\n\n\n\nreturn\nendfunc"
- " F6
- execute "func F6()\n
- \\n
- \\n
- \\n
- \return\n
- \endfunc"
- call F1()
- verbose func F1
- verbose func F2
- verbose func F3
- verbose func F4
- verbose func F5
- verbose func F6
- qall!
- [CODE]
-
- call writefile(lines, 'Xtest.vim')
- let res = system(GetVimCommandClean() .. ' -es -X -S Xtest.vim')
- call assert_equal(0, v:shell_error)
-
- let m = matchstr(res, 'function F1()[^[:print:]]*[[:print:]]*')
- call assert_match(' line 2$', m)
-
- let m = matchstr(res, 'function F2()[^[:print:]]*[[:print:]]*')
- call assert_match(' line 4$', m)
-
- let m = matchstr(res, 'function F3()[^[:print:]]*[[:print:]]*')
- call assert_match(' line 11$', m)
-
- let m = matchstr(res, 'function F4()[^[:print:]]*[[:print:]]*')
- call assert_match(' line 13$', m)
-
- let m = matchstr(res, 'function F5()[^[:print:]]*[[:print:]]*')
- call assert_match(' line 21$', m)
-
- let m = matchstr(res, 'function F6()[^[:print:]]*[[:print:]]*')
- call assert_match(' line 23$', m)
-
- call delete('Xtest.vim')
-endfunc
-
-" Test for defining a function reference in the global scope
-func Test_add_funcref_to_global_scope()
- let x = g:
- let caught_E862 = 0
- try
- func x.Xfunc()
- return 1
- endfunc
- catch /E862:/
- let caught_E862 = 1
- endtry
- call assert_equal(1, caught_E862)
-endfunc
-
-func Test_funccall_garbage_collect()
- func Func(x, ...)
- call add(a:x, a:000)
- endfunc
- call Func([], [])
- " Must not crash cause by invalid freeing
- call test_garbagecollect_now()
- call assert_true(v:true)
- delfunc Func
-endfunc
-
-" Test for script-local function
-func <SID>DoLast()
- call append(line('$'), "last line")
-endfunc
-
-func s:DoNothing()
- call append(line('$'), "nothing line")
-endfunc
-
-func Test_script_local_func()
- set nocp nomore viminfo+=nviminfo
- new
- nnoremap <buffer> _x :call <SID>DoNothing()<bar>call <SID>DoLast()<bar>delfunc <SID>DoNothing<bar>delfunc <SID>DoLast<cr>
-
- normal _x
- call assert_equal('nothing line', getline(2))
- call assert_equal('last line', getline(3))
- close!
-
- " Try to call a script local function in global scope
- let lines =<< trim [CODE]
- :call assert_fails('call s:Xfunc()', 'E81:')
- :call assert_fails('let x = call("<SID>Xfunc", [])', 'E120:')
- :call writefile(v:errors, 'Xresult')
- :qall
-
- [CODE]
- call writefile(lines, 'Xscript')
- if RunVim([], [], '-s Xscript')
- call assert_equal([], readfile('Xresult'))
- endif
- call delete('Xresult')
- call delete('Xscript')
-endfunc
-
-" Test for errors in defining new functions
-func Test_func_def_error()
- call assert_fails('func Xfunc abc ()', 'E124:')
- call assert_fails('func Xfunc(', 'E125:')
- call assert_fails('func xfunc()', 'E128:')
-
- " Try to redefine a function that is in use
- let caught_E127 = 0
- try
- func! Test_func_def_error()
- endfunc
- catch /E127:/
- let caught_E127 = 1
- endtry
- call assert_equal(1, caught_E127)
-
- " Try to define a function in a dict twice
- let d = {}
- let lines =<< trim END
- func d.F1()
- return 1
- endfunc
- END
- let l = join(lines, "\n") . "\n"
- exe l
- call assert_fails('exe l', 'E717:')
-
- " Define an autoload function with an incorrect file name
- call writefile(['func foo#Bar()', 'return 1', 'endfunc'], 'Xscript')
- call assert_fails('source Xscript', 'E746:')
- call delete('Xscript')
-
- " Try to list functions using an invalid search pattern
- call assert_fails('function /\%(/', 'E53:')
-endfunc
-
-" Test for deleting a function
-func Test_del_func()
- call assert_fails('delfunction Xabc', 'E130:')
- let d = {'a' : 10}
- call assert_fails('delfunc d.a', 'E718:')
- func d.fn()
- return 1
- endfunc
-
- " cannot delete the dict function by number
- let nr = substitute(execute('echo d'), '.*function(''\(\d\+\)'').*', '\1', '')
- call assert_fails('delfunction g:' .. nr, 'E475: Invalid argument: g:')
-
- delfunc d.fn
- call assert_equal({'a' : 10}, d)
-endfunc
-
-" Test for calling return outside of a function
-func Test_return_outside_func()
- call writefile(['return 10'], 'Xscript')
- call assert_fails('source Xscript', 'E133:')
- call delete('Xscript')
-endfunc
-
-" Test for errors in calling a function
-func Test_func_arg_error()
- " Too many arguments
- call assert_fails("call call('min', range(1,20))", 'E118:')
- call assert_fails("call call('min', range(1,21))", 'E699:')
- 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)',
- \ 'E740:')
-
- " Missing dict argument
- func Xfunc() dict
- return 1
- endfunc
- call assert_fails('call Xfunc()', 'E725:')
- delfunc Xfunc
-endfunc
-
-func Test_func_dict()
- let mydict = {'a': 'b'}
- function mydict.somefunc() dict
- return len(self)
- endfunc
-
- call assert_equal("{'a': 'b', 'somefunc': function('3')}", string(mydict))
- call assert_equal(2, mydict.somefunc())
- call assert_match("^\n function \\d\\\+() dict"
- \ .. "\n1 return len(self)"
- \ .. "\n endfunction$", execute('func mydict.somefunc'))
- call assert_fails('call mydict.nonexist()', 'E716:')
-endfunc
-
-func Test_func_range()
- new
- call setline(1, range(1, 8))
- func FuncRange() range
- echo a:firstline
- echo a:lastline
- endfunc
- 3
- call assert_equal("\n3\n3", execute('call FuncRange()'))
- call assert_equal("\n4\n6", execute('4,6 call FuncRange()'))
- call assert_equal("\n function FuncRange() range"
- \ .. "\n1 echo a:firstline"
- \ .. "\n2 echo a:lastline"
- \ .. "\n endfunction",
- \ execute('function FuncRange'))
-
- bwipe!
-endfunc
-
-" vim: shiftwidth=2 sts=2 expandtab