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106 lines
3.1 KiB
Lua
106 lines
3.1 KiB
Lua
-- Test for user functions.
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-- Also test an <expr> mapping calling a function.
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-- Also test that a builtin function cannot be replaced.
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-- Also test for regression when calling arbitrary expression.
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local helpers = require('test.functional.helpers')(after_each)
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local feed, insert, source = helpers.feed, helpers.insert, helpers.source
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local clear, feed_command, expect = helpers.clear, helpers.feed_command, helpers.expect
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describe(
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'user functions, expr-mappings, overwrite protected builtin functions and regression on calling expressions',
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function()
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setup(clear)
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it('are working', function()
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insert('here')
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source([[
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function Table(title, ...)
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let ret = a:title
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let idx = 1
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while idx <= a:0
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exe "let ret = ret . a:" . idx
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let idx = idx + 1
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endwhile
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return ret
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endfunction
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function Compute(n1, n2, divname)
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if a:n2 == 0
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return "fail"
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endif
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exe "let g:" . a:divname . " = ". a:n1 / a:n2
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return "ok"
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endfunction
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func Expr1()
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normal! v
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return "111"
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endfunc
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func Expr2()
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call search('XX', 'b')
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return "222"
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endfunc
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func ListItem()
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let g:counter += 1
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return g:counter . '. '
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endfunc
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func ListReset()
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let g:counter = 0
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return ''
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endfunc
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func FuncWithRef(a)
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unlet g:FuncRef
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return a:a
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endfunc
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let g:FuncRef=function("FuncWithRef")
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let counter = 0
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inoremap <expr> ( ListItem()
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inoremap <expr> [ ListReset()
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imap <expr> + Expr1()
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imap <expr> * Expr2()
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let retval = "nop"
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/^here
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]])
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feed('C<C-R>=Table("xxx", 4, "asdf")<cr>')
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-- Using a actual space will not work as feed() calls dedent on the input.
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feed('<space><C-R>=Compute(45, 0, "retval")<cr>')
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feed('<space><C-R>=retval<cr>')
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feed('<space><C-R>=Compute(45, 5, "retval")<cr>')
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feed('<space><C-R>=retval<cr>')
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feed('<space><C-R>=g:FuncRef(333)<cr>')
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feed('<cr>')
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feed('XX+-XX<cr>')
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feed('---*---<cr>')
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feed('(one<cr>')
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feed('(two<cr>')
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feed('[(one again<esc>')
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feed_command('call append(line("$"), max([1, 2, 3]))')
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feed_command('call extend(g:, {"max": function("min")})')
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feed_command('call append(line("$"), max([1, 2, 3]))')
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feed_command('try')
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-- Regression: the first line below used to throw "E110: Missing ')'"
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-- Second is here just to prove that this line is correct when not
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-- skipping rhs of &&.
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feed_command([[ $put =(0&&(function('tr'))(1, 2, 3))]])
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feed_command([[ $put =(1&&(function('tr'))(1, 2, 3))]])
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feed_command('catch')
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feed_command([[ $put ='!!! Unexpected exception:']])
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feed_command(' $put =v:exception')
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feed_command('endtry')
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-- Assert buffer contents.
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expect([[
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xxx4asdf fail nop ok 9 333
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XX111-XX
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---222---
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1. one
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2. two
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1. one again
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3
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3
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0
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1]])
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end)
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end
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)
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