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" Test binding arguments to a Funcref.
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 Test_partial_args()
let Cb = function('MyFunc', ["foo", "bar"])
call assert_equal("foo/bar/xxx", Cb("xxx"))
call assert_equal("foo/bar/yyy", call(Cb, ["yyy"]))
let Cb = function('MyFunc', [])
call assert_equal("a/b/c", Cb("a", "b", "c"))
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))
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 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:')
endfunc
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