Mercurial > vim
diff src/testdir/test_partial.vim @ 8538:c337c813c64d v7.4.1559
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Mar 14 23:05:14 2016 +0100
patch 7.4.1559
Problem: Passing cookie to a callback is clumsy.
Solution: Change function() to take arguments and return a partial.
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Mon, 14 Mar 2016 23:15:05 +0100 |
parents | |
children | 996109e24f02 |
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new file mode 100644 --- /dev/null +++ b/src/testdir/test_partial.vim @@ -0,0 +1,43 @@ +" 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 + endif + return a:one < a:two +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 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/xxx/yyy", Cb("xxx", "yyy")) + call assert_fails('Cb()', 'E492:') +endfunc