mirror of
https://github.com/neovim/neovim.git
synced 2024-12-22 20:25:16 -07:00
4b49f312a0
Problem: Crash when using null partial in filter().
Solution: Fix crash. Add more tests. (Yegappan Lakshmanan, closes vim/vim#5976)
9d8d0b5c64
Co-authored-by: Bram Moolenaar <Bram@vim.org>
381 lines
10 KiB
VimL
381 lines
10 KiB
VimL
" Test binding arguments to a Funcref.
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func MyFunc(arg1, arg2, arg3)
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return a:arg1 . '/' . a:arg2 . '/' . a:arg3
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endfunc
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func MySort(up, one, two)
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if a:one == a:two
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return 0
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endif
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if a:up
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return a:one > a:two ? 1 : -1
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endif
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return a:one < a:two ? 1 : -1
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endfunc
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func MyMap(sub, index, val)
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return a:val - a:sub
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endfunc
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func MyFilter(threshold, index, val)
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return a:val > a:threshold
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endfunc
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func Test_partial_args()
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let Cb = function('MyFunc', ["foo", "bar"])
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call Cb("zzz")
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call assert_equal("foo/bar/xxx", Cb("xxx"))
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call assert_equal("foo/bar/yyy", call(Cb, ["yyy"]))
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let Cb2 = function(Cb)
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call assert_equal("foo/bar/zzz", Cb2("zzz"))
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let Cb3 = function(Cb, ["www"])
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call assert_equal("foo/bar/www", Cb3())
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let Cb = function('MyFunc', [])
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call assert_equal("a/b/c", Cb("a", "b", "c"))
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let Cb2 = function(Cb, [])
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call assert_equal("a/b/d", Cb2("a", "b", "d"))
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let Cb3 = function(Cb, ["a", "b"])
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call assert_equal("a/b/e", Cb3("e"))
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let Sort = function('MySort', [1])
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call assert_equal([1, 2, 3], sort([3, 1, 2], Sort))
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let Sort = function('MySort', [0])
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call assert_equal([3, 2, 1], sort([3, 1, 2], Sort))
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let Map = function('MyMap', [2])
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call assert_equal([-1, 0, 1], map([1, 2, 3], Map))
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let Map = function('MyMap', [3])
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call assert_equal([-2, -1, 0], map([1, 2, 3], Map))
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let Filter = function('MyFilter', [1])
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call assert_equal([2, 3], filter([1, 2, 3], Filter))
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let Filter = function('MyFilter', [2])
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call assert_equal([3], filter([1, 2, 3], Filter))
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endfunc
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func MyDictFunc(arg1, arg2) dict
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return self.name . '/' . a:arg1 . '/' . a:arg2
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endfunc
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func Test_partial_dict()
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let dict = {'name': 'hello'}
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let Cb = function('MyDictFunc', ["foo", "bar"], dict)
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call test_garbagecollect_now()
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call assert_equal("hello/foo/bar", Cb())
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call assert_fails('Cb("xxx")', 'E492:')
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let Cb = function('MyDictFunc', ["foo"], dict)
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call assert_equal("hello/foo/xxx", Cb("xxx"))
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call assert_fails('Cb()', 'E492:')
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let Cb = function('MyDictFunc', [], dict)
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call assert_equal("hello/ttt/xxx", Cb("ttt", "xxx"))
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call assert_fails('Cb("yyy")', 'E492:')
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let Cb = function('MyDictFunc', dict)
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call assert_equal("hello/xxx/yyy", Cb("xxx", "yyy"))
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call assert_fails('Cb("fff")', 'E492:')
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let Cb = function('MyDictFunc', dict)
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call assert_equal({"foo": "hello/foo/1", "bar": "hello/bar/2"}, map({"foo": 1, "bar": 2}, Cb))
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let dict = {"tr": function('tr', ['hello', 'h', 'H'])}
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call assert_equal("Hello", dict.tr())
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call assert_fails("let F=function('setloclist', 10)", "E923:")
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call assert_fails("let F=function('setloclist', [], [])", "E922:")
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endfunc
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func Test_partial_implicit()
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let dict = {'name': 'foo'}
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func dict.MyFunc(arg) dict
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return self.name . '/' . a:arg
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endfunc
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call assert_equal('foo/bar', dict.MyFunc('bar'))
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call assert_fails('let func = dict.MyFunc', 'E704:')
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let Func = dict.MyFunc
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call assert_equal('foo/aaa', Func('aaa'))
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let Func = function(dict.MyFunc, ['bbb'])
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call assert_equal('foo/bbb', Func())
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endfunc
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fun InnerCall(funcref)
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return a:funcref
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endfu
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fun OuterCall()
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let opt = { 'func' : function('max') }
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call InnerCall(opt.func)
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endfu
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func Test_function_in_dict()
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call OuterCall()
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endfunc
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func s:cache_clear() dict
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return self.name
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endfunc
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func Test_script_function_in_dict()
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let s:obj = {'name': 'foo'}
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let s:obj2 = {'name': 'bar'}
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let s:obj['clear'] = function('s:cache_clear')
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call assert_equal('foo', s:obj.clear())
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let F = s:obj.clear
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call assert_equal('foo', F())
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call assert_equal('foo', call(s:obj.clear, [], s:obj))
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call assert_equal('bar', call(s:obj.clear, [], s:obj2))
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let s:obj2['clear'] = function('s:cache_clear')
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call assert_equal('bar', s:obj2.clear())
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let B = s:obj2.clear
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call assert_equal('bar', B())
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endfunc
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func s:cache_arg(arg) dict
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let s:result = self.name . '/' . a:arg
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return s:result
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endfunc
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func Test_script_function_in_dict_arg()
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let s:obj = {'name': 'foo'}
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let s:obj['clear'] = function('s:cache_arg')
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call assert_equal('foo/bar', s:obj.clear('bar'))
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let F = s:obj.clear
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let s:result = ''
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call assert_equal('foo/bar', F('bar'))
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call assert_equal('foo/bar', s:result)
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let s:obj['clear'] = function('s:cache_arg', ['bar'])
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call assert_equal('foo/bar', s:obj.clear())
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let s:result = ''
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call s:obj.clear()
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call assert_equal('foo/bar', s:result)
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let F = s:obj.clear
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call assert_equal('foo/bar', F())
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let s:result = ''
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call F()
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call assert_equal('foo/bar', s:result)
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call assert_equal('foo/bar', call(s:obj.clear, [], s:obj))
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endfunc
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func Test_partial_exists()
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let F = function('MyFunc')
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call assert_true(exists('*F'))
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let lF = [F]
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call assert_true(exists('*lF[0]'))
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let F = function('MyFunc', ['arg'])
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call assert_true(exists('*F'))
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let lF = [F]
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call assert_true(exists('*lF[0]'))
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endfunc
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func Test_partial_string()
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let F = function('MyFunc')
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call assert_equal("function('MyFunc')", string(F))
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let F = function('MyFunc', ['foo'])
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call assert_equal("function('MyFunc', ['foo'])", string(F))
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let F = function('MyFunc', ['foo', 'bar'])
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call assert_equal("function('MyFunc', ['foo', 'bar'])", string(F))
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let d = {'one': 1}
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let F = function('MyFunc', d)
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call assert_equal("function('MyFunc', {'one': 1})", string(F))
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let F = function('MyFunc', ['foo'], d)
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call assert_equal("function('MyFunc', ['foo'], {'one': 1})", string(F))
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endfunc
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func Test_func_unref()
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let obj = {}
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function! obj.func() abort
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endfunction
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let funcnumber = matchstr(string(obj.func), '^function(''\zs.\{-}\ze''')
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call assert_true(exists('*{' . funcnumber . '}'))
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unlet obj
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call assert_false(exists('*{' . funcnumber . '}'))
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endfunc
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func Test_redefine_dict_func()
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let d = {}
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function d.test4()
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endfunction
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let d.test4 = d.test4
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try
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function! d.test4(name)
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endfunction
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catch
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call assert_true(v:errmsg, v:exception)
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endtry
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endfunc
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" This caused double free on exit if EXITFREE is defined.
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func Test_cyclic_list_arg()
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let l = []
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let Pt = function('string', [l])
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call add(l, Pt)
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unlet l
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unlet Pt
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endfunc
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" This caused double free on exit if EXITFREE is defined.
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func Test_cyclic_dict_arg()
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let d = {}
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let Pt = function('string', [d])
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let d.Pt = Pt
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unlet d
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unlet Pt
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endfunc
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func Ignored(job1, job2, status)
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endfunc
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func Test_cycle_partial_job()
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if has('job')
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let job = job_start('echo')
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call job_setoptions(job, {'exit_cb': function('Ignored', [job])})
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unlet job
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endif
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endfunc
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func Test_ref_job_partial_dict()
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if has('job')
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let g:ref_job = job_start('echo')
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let d = {'a': 'b'}
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call job_setoptions(g:ref_job, {'exit_cb': function('string', [], d)})
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call test_garbagecollect_now()
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endif
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endfunc
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func Test_auto_partial_rebind()
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let dict1 = {'name': 'dict1'}
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func! dict1.f1()
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return self.name
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endfunc
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let dict1.f2 = function(dict1.f1, dict1)
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call assert_equal('dict1', dict1.f1())
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call assert_equal('dict1', dict1['f1']())
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call assert_equal('dict1', dict1.f2())
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call assert_equal('dict1', dict1['f2']())
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let dict2 = {'name': 'dict2'}
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let dict2.f1 = dict1.f1
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let dict2.f2 = dict1.f2
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call assert_equal('dict2', dict2.f1())
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call assert_equal('dict2', dict2['f1']())
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call assert_equal('dict1', dict2.f2())
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call assert_equal('dict1', dict2['f2']())
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endfunc
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func Test_get_partial_items()
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let dict = {'name': 'hello'}
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let args = ["foo", "bar"]
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let Func = function('MyDictFunc')
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let Cb = function('MyDictFunc', args, dict)
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call assert_equal(Func, get(Cb, 'func'))
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call assert_equal('MyDictFunc', get(Cb, 'name'))
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call assert_equal(args, get(Cb, 'args'))
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call assert_equal(dict, get(Cb, 'dict'))
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call assert_fails('call get(Cb, "xxx")', 'E475:')
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call assert_equal(Func, get(Func, 'func'))
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call assert_equal('MyDictFunc', get(Func, 'name'))
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call assert_equal([], get(Func, 'args'))
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call assert_true(empty( get(Func, 'dict')))
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let P = function('substitute', ['hello there', 'there'])
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let dict = {'partial has': 'no dict'}
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call assert_equal(dict, get(P, 'dict', dict))
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call assert_equal(0, get(l:P, 'dict'))
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endfunc
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func Test_compare_partials()
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let d1 = {}
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let d2 = {}
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function d1.f1() dict
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endfunction
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function d1.f2() dict
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endfunction
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let F1 = get(d1, 'f1')
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let F2 = get(d1, 'f2')
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let F1d1 = function(F1, d1)
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let F2d1 = function(F2, d2)
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let F1d1a1 = function(F1d1, [1])
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let F1d1a12 = function(F1d1, [1, 2])
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let F1a1 = function(F1, [1])
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let F1a2 = function(F1, [2])
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let F1d2 = function(F1, d2)
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let d3 = {'f1': F1, 'f2': F2}
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let F1d3 = function(F1, d3)
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let F1ad1 = function(F1, [d1])
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let F1ad3 = function(F1, [d3])
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call assert_match('^function(''\d\+'')$', string(F1)) " Not a partial
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call assert_match('^function(''\d\+'')$', string(F2)) " Not a partial
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call assert_match('^function(''\d\+'', {.*})$', string(F1d1)) " A partial
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call assert_match('^function(''\d\+'', {.*})$', string(F2d1)) " A partial
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call assert_match('^function(''\d\+'', \[.*\])$', string(F1a1)) " No dict
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" !=
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let X = F1
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call assert_false(F1 != X) " same function
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let X = F1d1
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call assert_false(F1d1 != X) " same partial
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let X = F1d1a1
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call assert_false(F1d1a1 != X) " same partial
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let X = F1a1
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call assert_false(F1a1 != X) " same partial
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call assert_true(F1 != F2) " Different functions
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call assert_true(F1 != F1d1) " Partial /= non-partial
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call assert_true(F1d1a1 != F1d1a12) " Different number of arguments
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call assert_true(F1a1 != F1d1a12) " One has no dict
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call assert_true(F1a1 != F1a2) " Different arguments
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call assert_true(F1d2 != F1d1) " Different dictionaries
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call assert_false(F1d1 != F1d3) " Equal dictionaries, even though d1 isnot d3
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" isnot, option 1
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call assert_true(F1 isnot# F2) " Different functions
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call assert_true(F1 isnot# F1d1) " Partial /= non-partial
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call assert_true(F1d1 isnot# F1d3) " d1 isnot d3, even though d1 == d3
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call assert_true(F1a1 isnot# F1d1a12) " One has no dict
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call assert_true(F1a1 isnot# F1a2) " Different number of arguments
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call assert_true(F1ad1 isnot# F1ad3) " In arguments d1 isnot d3
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" isnot, option 2
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call assert_true(F1 isnot# F2) " Different functions
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call assert_true(F1 isnot# F1d1) " Partial /= non-partial
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call assert_true(d1.f1 isnot# d1.f1) " handle_subscript creates new partial each time
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" compare two null partials
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" Nvim doesn't have null partials
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" let N1 = test_null_partial()
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let N1 = function('min')
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let N2 = N1
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call assert_true(N1 is N2)
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call assert_true(N1 == N2)
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" compare a partial and a null partial
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call assert_false(N1 == F1)
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call assert_false(F1 is N1)
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endfunc
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" vim: shiftwidth=2 sts=2 expandtab
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