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" Test binding arguments to a Funcref.
source check.vim
func MyFunc(arg1, arg2, arg3)
return a:arg1 . '/' . a:arg2 . '/' . a:arg3
endfunc
func MySort(up, one, two)
if a:one == a:two
return 0
endif
if a:up
return a:one > a:two ? 1 : -1
endif
return a:one < a:two ? 1 : -1
endfunc
func MyMap(sub, index, val)
return a:val - a:sub
endfunc
func MyFilter(threshold, index, val)
return a:val > a:threshold
endfunc
func Test_partial_args()
let Cb = function('MyFunc', ["foo", "bar"])
call Cb("zzz")
call assert_equal("foo/bar/xxx", Cb("xxx"))
call assert_equal("foo/bar/yyy", call(Cb, ["yyy"]))
let Cb2 = function(Cb)
call assert_equal("foo/bar/zzz", Cb2("zzz"))
let Cb3 = function(Cb, ["www"])
call assert_equal("foo/bar/www", Cb3())
let Cb = function('MyFunc', [])
call assert_equal("a/b/c", Cb("a", "b", "c"))
let Cb2 = function(Cb, [])
call assert_equal("a/b/d", Cb2("a", "b", "d"))
let Cb3 = function(Cb, ["a", "b"])
call assert_equal("a/b/e", Cb3("e"))
let Sort = function('MySort', [1])
call assert_equal([1, 2, 3], sort([3, 1, 2], Sort))
let Sort = function('MySort', [0])
call assert_equal([3, 2, 1], sort([3, 1, 2], Sort))
let Map = function('MyMap', [2])
call assert_equal([-1, 0, 1], map([1, 2, 3], Map))
let Map = function('MyMap', [3])
call assert_equal([-2, -1, 0], map([1, 2, 3], Map))
let Filter = function('MyFilter', [1])
call assert_equal([2, 3], filter([1, 2, 3], Filter))
let Filter = function('MyFilter', [2])
call assert_equal([3], filter([1, 2, 3], Filter))
endfunc
func MyDictFunc(arg1, arg2) dict
return self.name . '/' . a:arg1 . '/' . a:arg2
endfunc
func Test_partial_dict()
let dict = {'name': 'hello'}
let Cb = function('MyDictFunc', ["foo", "bar"], dict)
call test_garbagecollect_now()
call assert_equal("hello/foo/bar", Cb())
call assert_fails('Cb("xxx")', 'E492:')
let Cb = function('MyDictFunc', ["foo"], dict)
call assert_equal("hello/foo/xxx", Cb("xxx"))
call assert_fails('Cb()', 'E492:')
let Cb = function('MyDictFunc', [], dict)
call assert_equal("hello/ttt/xxx", Cb("ttt", "xxx"))
call assert_fails('Cb("yyy")', 'E492:')
let Cb = function('MyDictFunc', dict)
call assert_equal("hello/xxx/yyy", Cb("xxx", "yyy"))
call assert_fails('Cb("fff")', 'E492:')
let Cb = function('MyDictFunc', dict)
call assert_equal({"foo": "hello/foo/1", "bar": "hello/bar/2"}, map({"foo": 1, "bar": 2}, Cb))
let dict = {"tr": function('tr', ['hello', 'h', 'H'])}
call assert_equal("Hello", dict.tr())
call assert_fails("let F=function('setloclist', 10)", "E923:")
call assert_fails("let F=function('setloclist', [], [])", "E1206:")
endfunc
func Test_partial_implicit()
let dict = {'name': 'foo'}
func dict.MyFunc(arg) dict
return self.name . '/' . a:arg
endfunc
call assert_equal('foo/bar', dict.MyFunc('bar'))
call assert_fails('let func = dict.MyFunc', 'E704:')
let Func = dict.MyFunc
call assert_equal('foo/aaa', Func('aaa'))
let Func = function(dict.MyFunc, ['bbb'])
call assert_equal('foo/bbb', Func())
endfunc
fun InnerCall(funcref)
return a:funcref
endfu
fun OuterCall()
let opt = { 'func' : function('max') }
call InnerCall(opt.func)
endfu
func Test_function_in_dict()
call OuterCall()
endfunc
func s:cache_clear() dict
return self.name
endfunc
func Test_script_function_in_dict()
let s:obj = {'name': 'foo'}
let s:obj2 = {'name': 'bar'}
let s:obj['clear'] = function('s:cache_clear')
call assert_equal('foo', s:obj.clear())
let F = s:obj.clear
call assert_equal('foo', F())
call assert_equal('foo', call(s:obj.clear, [], s:obj))
call assert_equal('bar', call(s:obj.clear, [], s:obj2))
let s:obj2['clear'] = function('s:cache_clear')
call assert_equal('bar', s:obj2.clear())
let B = s:obj2.clear
call assert_equal('bar', B())
endfunc
func s:cache_arg(arg) dict
let s:result = self.name . '/' . a:arg
return s:result
endfunc
func Test_script_function_in_dict_arg()
let s:obj = {'name': 'foo'}
let s:obj['clear'] = function('s:cache_arg')
call assert_equal('foo/bar', s:obj.clear('bar'))
let F = s:obj.clear
let s:result = ''
call assert_equal('foo/bar', F('bar'))
call assert_equal('foo/bar', s:result)
let s:obj['clear'] = function('s:cache_arg', ['bar'])
call assert_equal('foo/bar', s:obj.clear())
let s:result = ''
call s:obj.clear()
call assert_equal('foo/bar', s:result)
let F = s:obj.clear
call assert_equal('foo/bar', F())
let s:result = ''
call F()
call assert_equal('foo/bar', s:result)
call assert_equal('foo/bar', call(s:obj.clear, [], s:obj))
endfunc
func Test_partial_exists()
let F = function('MyFunc')
call assert_true(exists('*F'))
let lF = [F]
call assert_true(exists('*lF[0]'))
let F = function('MyFunc', ['arg'])
call assert_true(exists('*F'))
let lF = [F]
call assert_true(exists('*lF[0]'))
endfunc
func Test_partial_string()
let F = function('MyFunc')
call assert_equal("function('MyFunc')", string(F))
let F = function('MyFunc', ['foo'])
call assert_equal("function('MyFunc', ['foo'])", string(F))
let F = function('MyFunc', ['foo', 'bar'])
call assert_equal("function('MyFunc', ['foo', 'bar'])", string(F))
let d = {'one': 1}
let F = function('MyFunc', d)
call assert_equal("function('MyFunc', {'one': 1})", string(F))
let F = function('MyFunc', ['foo'], d)
call assert_equal("function('MyFunc', ['foo'], {'one': 1})", string(F))
call assert_equal("function('')", string(test_null_function()))
call assert_equal("function('')", string(test_null_partial()))
endfunc
func Test_func_unref()
let obj = {}
function! obj.func() abort
endfunction
let funcnumber = matchstr(string(obj.func), '^function(''\zs.\{-}\ze''')
call assert_true(exists('*{' . funcnumber . '}'))
unlet obj
call assert_false(exists('*{' . funcnumber . '}'))
endfunc
func Test_tostring()
let d = {}
let d.d = d
function d.test3()
echo 42
endfunction
try
call string(d.test3)
catch
call assert_true(v:false, v:exception)
endtry
endfunc
func Test_redefine_dict_func()
let d = {}
function d.test4()
endfunction
let d.test4 = d.test4
try
function! d.test4(name)
endfunction
catch
call assert_true(v:errmsg, v:exception)
endtry
endfunc
func Test_bind_in_python()
CheckFeature python
let g:d = {}
function g:d.test2()
endfunction
python import vim
try
call assert_equal(pyeval('vim.bindeval("g:d.test2")'), g:d.test2)
catch
call assert_true(v:false, v:exception)
endtry
endfunc
" This caused double free on exit if EXITFREE is defined.
func Test_cyclic_list_arg()
let l = []
let Pt = function('string', [l])
call add(l, Pt)
unlet l
unlet Pt
endfunc
" This caused double free on exit if EXITFREE is defined.
func Test_cyclic_dict_arg()
let d = {}
let Pt = function('string', [d])
let d.Pt = Pt
unlet d
unlet Pt
endfunc
func Ignored3(job1, job2, status)
endfunc
func Test_cycle_partial_job()
CheckFeature job
let job = job_start('echo')
call job_setoptions(job, {'exit_cb': function('Ignored3', [job])})
unlet job
endfunc
func Ignored2(job, status)
endfunc
func Test_ref_job_partial_dict()
CheckFeature job
let g:ref_job = job_start('echo')
let d = {'a': 'b'}
call job_setoptions(g:ref_job, {'exit_cb': function('Ignored2', [], d)})
call test_garbagecollect_now()
endfunc
func Test_auto_partial_rebind()
let dict1 = {'name': 'dict1'}
func! dict1.f1()
return self.name
endfunc
let dict1.f2 = function(dict1.f1, dict1)
call assert_equal('dict1', dict1.f1())
call assert_equal('dict1', dict1['f1']())
call assert_equal('dict1', dict1.f2())
call assert_equal('dict1', dict1['f2']())
let dict2 = {'name': 'dict2'}
let dict2.f1 = dict1.f1
let dict2.f2 = dict1.f2
call assert_equal('dict2', dict2.f1())
call assert_equal('dict2', dict2['f1']())
call assert_equal('dict1', dict2.f2())
call assert_equal('dict1', dict2['f2']())
endfunc
func Test_get_partial_items()
let dict = {'name': 'hello'}
let args = ["foo", "bar"]
let Func = function('MyDictFunc')
let Cb = function('MyDictFunc', args, dict)
call assert_equal(Func, get(Cb, 'func'))
call assert_equal('MyDictFunc', get(Cb, 'name'))
call assert_equal(args, get(Cb, 'args'))
call assert_equal(dict, get(Cb, 'dict'))
call assert_fails('call get(Cb, "xxx")', 'E475:')
call assert_equal(Func, get(Func, 'func'))
call assert_equal('MyDictFunc', get(Func, 'name'))
call assert_equal([], get(Func, 'args'))
call assert_true(empty( get(Func, 'dict')))
let P = function('substitute', ['hello there', 'there'])
let dict = {'partial has': 'no dict'}
call assert_equal(dict, get(P, 'dict', dict))
call assert_equal(0, get(l:P, 'dict'))
endfunc
func Test_compare_partials()
let d1 = {}
let d2 = {}
function d1.f1() dict
endfunction
function d1.f2() dict
endfunction
let F1 = get(d1, 'f1')
let F2 = get(d1, 'f2')
let F1d1 = function(F1, d1)
let F2d1 = function(F2, d2)
let F1d1a1 = function(F1d1, [1])
let F1d1a12 = function(F1d1, [1, 2])
let F1a1 = function(F1, [1])
let F1a2 = function(F1, [2])
let F1d2 = function(F1, d2)
let d3 = {'f1': F1, 'f2': F2}
let F1d3 = function(F1, d3)
let F1ad1 = function(F1, [d1])
let F1ad3 = function(F1, [d3])
call assert_match('^function(''\d\+'')$', string(F1)) " Not a partial
call assert_match('^function(''\d\+'')$', string(F2)) " Not a partial
call assert_match('^function(''\d\+'', {.*})$', string(F1d1)) " A partial
call assert_match('^function(''\d\+'', {.*})$', string(F2d1)) " A partial
call assert_match('^function(''\d\+'', \[.*\])$', string(F1a1)) " No dict
" !=
let X = F1
call assert_false(F1 != X) " same function
let X = F1d1
call assert_false(F1d1 != X) " same partial
let X = F1d1a1
call assert_false(F1d1a1 != X) " same partial
let X = F1a1
call assert_false(F1a1 != X) " same partial
call assert_true(F1 != F2) " Different functions
call assert_true(F1 != F1d1) " Partial /= non-partial
call assert_true(F1d1a1 != F1d1a12) " Different number of arguments
call assert_true(F1a1 != F1d1a12) " One has no dict
call assert_true(F1a1 != F1a2) " Different arguments
call assert_true(F1d2 != F1d1) " Different dictionaries
call assert_false(F1d1 != F1d3) " Equal dictionaries, even though d1 isnot d3
" isnot, option 1
call assert_true(F1 isnot# F2) " Different functions
call assert_true(F1 isnot# F1d1) " Partial /= non-partial
call assert_true(F1d1 isnot# F1d3) " d1 isnot d3, even though d1 == d3
call assert_true(F1a1 isnot# F1d1a12) " One has no dict
call assert_true(F1a1 isnot# F1a2) " Different number of arguments
call assert_true(F1ad1 isnot# F1ad3) " In arguments d1 isnot d3
" isnot, option 2
call assert_true(F1 isnot# F2) " Different functions
call assert_true(F1 isnot# F1d1) " Partial /= non-partial
call assert_true(d1.f1 isnot# d1.f1) " handle_subscript creates new partial each time
" compare two null partials
let N1 = test_null_partial()
let N2 = N1
call assert_true(N1 is N2)
call assert_true(N1 == N2)
" compare a partial and a null partial
call assert_false(N1 == F1)
call assert_false(F1 is N1)
endfunc
" vim: shiftwidth=2 sts=2 expandtab
|
