mirror of
https://github.com/neovim/neovim.git
synced 2024-12-25 13:45:15 -07:00
af23d17388
The new oldtest directory is in test/old/testdir. The reason for this is that many tests have hardcoded the parent directory name to be 'testdir'.
335 lines
7.1 KiB
VimL
335 lines
7.1 KiB
VimL
" Test for lambda and closure
|
|
|
|
func Test_lambda_feature()
|
|
call assert_equal(1, has('lambda'))
|
|
endfunc
|
|
|
|
func Test_lambda_with_filter()
|
|
let s:x = 2
|
|
call assert_equal([2, 3], filter([1, 2, 3], {i, v -> v >= s:x}))
|
|
endfunc
|
|
|
|
func Test_lambda_with_map()
|
|
let s:x = 1
|
|
call assert_equal([2, 3, 4], map([1, 2, 3], {i, v -> v + s:x}))
|
|
endfunc
|
|
|
|
func Test_lambda_with_sort()
|
|
call assert_equal([1, 2, 3, 4, 7], sort([3,7,2,1,4], {a, b -> a - b}))
|
|
endfunc
|
|
|
|
func Test_lambda_with_timer()
|
|
if !has('timers')
|
|
return
|
|
endif
|
|
|
|
let s:n = 0
|
|
let s:timer_id = 0
|
|
func! s:Foo()
|
|
let s:timer_id = timer_start(10, {-> execute("let s:n += 1 | echo s:n", "")}, {"repeat": -1})
|
|
endfunc
|
|
|
|
call s:Foo()
|
|
" check timer works
|
|
for i in range(0, 10)
|
|
if s:n > 0
|
|
break
|
|
endif
|
|
sleep 10m
|
|
endfor
|
|
|
|
" do not collect lambda
|
|
call test_garbagecollect_now()
|
|
|
|
" check timer still works
|
|
let m = s:n
|
|
for i in range(0, 10)
|
|
if s:n > m
|
|
break
|
|
endif
|
|
sleep 10m
|
|
endfor
|
|
|
|
call timer_stop(s:timer_id)
|
|
call assert_true(s:n > m)
|
|
endfunc
|
|
|
|
func Test_lambda_with_partial()
|
|
let l:Cb = function({... -> ['zero', a:1, a:2, a:3]}, ['one', 'two'])
|
|
call assert_equal(['zero', 'one', 'two', 'three'], l:Cb('three'))
|
|
endfunc
|
|
|
|
function Test_lambda_fails()
|
|
call assert_equal(3, {a, b -> a + b}(1, 2))
|
|
call assert_fails('echo {a, a -> a + a}(1, 2)', 'E853:')
|
|
call assert_fails('echo {a, b -> a + b)}(1, 2)', 'E451:')
|
|
echo assert_fails('echo 10->{a -> a + 2}', 'E107:')
|
|
endfunc
|
|
|
|
func Test_not_lambda()
|
|
let x = {'>' : 'foo'}
|
|
call assert_equal('foo', x['>'])
|
|
endfunc
|
|
|
|
func Test_lambda_capture_by_reference()
|
|
let v = 1
|
|
let l:F = {x -> x + v}
|
|
let v = 2
|
|
call assert_equal(12, l:F(10))
|
|
endfunc
|
|
|
|
func Test_lambda_side_effect()
|
|
func! s:update_and_return(arr)
|
|
let a:arr[1] = 5
|
|
return a:arr
|
|
endfunc
|
|
|
|
func! s:foo(arr)
|
|
return {-> s:update_and_return(a:arr)}
|
|
endfunc
|
|
|
|
let arr = [3,2,1]
|
|
call assert_equal([3, 5, 1], s:foo(arr)())
|
|
endfunc
|
|
|
|
func Test_lambda_refer_local_variable_from_other_scope()
|
|
func! s:foo(X)
|
|
return a:X() " refer l:x in s:bar()
|
|
endfunc
|
|
|
|
func! s:bar()
|
|
let x = 123
|
|
return s:foo({-> x})
|
|
endfunc
|
|
|
|
call assert_equal(123, s:bar())
|
|
endfunc
|
|
|
|
func Test_lambda_do_not_share_local_variable()
|
|
func! s:define_funcs()
|
|
let l:One = {-> split(execute("let a = 'abc' | echo a"))[0]}
|
|
let l:Two = {-> exists("a") ? a : "no"}
|
|
return [l:One, l:Two]
|
|
endfunc
|
|
|
|
let l:F = s:define_funcs()
|
|
|
|
call assert_equal('no', l:F[1]())
|
|
call assert_equal('abc', l:F[0]())
|
|
call assert_equal('no', l:F[1]())
|
|
endfunc
|
|
|
|
func Test_lambda_closure_counter()
|
|
func! s:foo()
|
|
let x = 0
|
|
return {-> [execute("let x += 1"), x][-1]}
|
|
endfunc
|
|
|
|
let l:F = s:foo()
|
|
call test_garbagecollect_now()
|
|
call assert_equal(1, l:F())
|
|
call assert_equal(2, l:F())
|
|
call assert_equal(3, l:F())
|
|
call assert_equal(4, l:F())
|
|
endfunc
|
|
|
|
func Test_lambda_with_a_var()
|
|
func! s:foo()
|
|
let x = 2
|
|
return {... -> a:000 + [x]}
|
|
endfunc
|
|
func! s:bar()
|
|
return s:foo()(1)
|
|
endfunc
|
|
|
|
call assert_equal([1, 2], s:bar())
|
|
endfunc
|
|
|
|
func Test_lambda_call_lambda_from_lambda()
|
|
func! s:foo(x)
|
|
let l:F1 = {-> {-> a:x}}
|
|
return {-> l:F1()}
|
|
endfunc
|
|
|
|
let l:F = s:foo(1)
|
|
call assert_equal(1, l:F()())
|
|
endfunc
|
|
|
|
func Test_lambda_delfunc()
|
|
func! s:gen()
|
|
let pl = l:
|
|
let l:Foo = {-> get(pl, "Foo", get(pl, "Bar", {-> 0}))}
|
|
let l:Bar = l:Foo
|
|
delfunction l:Foo
|
|
return l:Bar
|
|
endfunc
|
|
|
|
let l:F = s:gen()
|
|
call assert_fails(':call l:F()', 'E933:')
|
|
endfunc
|
|
|
|
func Test_lambda_scope()
|
|
func! s:NewCounter()
|
|
let c = 0
|
|
return {-> [execute('let c += 1'), c][-1]}
|
|
endfunc
|
|
|
|
func! s:NewCounter2()
|
|
return {-> [execute('let c += 100'), c][-1]}
|
|
endfunc
|
|
|
|
let l:C = s:NewCounter()
|
|
let l:D = s:NewCounter2()
|
|
|
|
call assert_equal(1, l:C())
|
|
call assert_fails(':call l:D()', 'E121:')
|
|
call assert_equal(2, l:C())
|
|
endfunc
|
|
|
|
func Test_lambda_share_scope()
|
|
func! s:New()
|
|
let c = 0
|
|
let l:Inc0 = {-> [execute('let c += 1'), c][-1]}
|
|
let l:Dec0 = {-> [execute('let c -= 1'), c][-1]}
|
|
return [l:Inc0, l:Dec0]
|
|
endfunc
|
|
|
|
let [l:Inc, l:Dec] = s:New()
|
|
|
|
call assert_equal(1, l:Inc())
|
|
call assert_equal(2, l:Inc())
|
|
call assert_equal(1, l:Dec())
|
|
endfunc
|
|
|
|
func Test_lambda_circular_reference()
|
|
func! s:Foo()
|
|
let d = {}
|
|
let d.f = {-> d}
|
|
return d.f
|
|
endfunc
|
|
|
|
call s:Foo()
|
|
call test_garbagecollect_now()
|
|
let i = 0 | while i < 10000 | call s:Foo() | let i+= 1 | endwhile
|
|
call test_garbagecollect_now()
|
|
endfunc
|
|
|
|
func Test_lambda_combination()
|
|
call assert_equal(2, {x -> {x -> x}}(1)(2))
|
|
call assert_equal(10, {y -> {x -> x(y)(10)}({y -> y})}({z -> z}))
|
|
call assert_equal(5.0, {x -> {y -> x / y}}(10)(2.0))
|
|
call assert_equal(6, {x -> {y -> {z -> x + y + z}}}(1)(2)(3))
|
|
|
|
call assert_equal(6, {x -> {f -> f(x)}}(3)({x -> x * 2}))
|
|
call assert_equal(6, {f -> {x -> f(x)}}({x -> x * 2})(3))
|
|
|
|
" Z combinator
|
|
let Z = {f -> {x -> f({y -> x(x)(y)})}({x -> f({y -> x(x)(y)})})}
|
|
let Fact = {f -> {x -> x == 0 ? 1 : x * f(x - 1)}}
|
|
call assert_equal(120, Z(Fact)(5))
|
|
endfunc
|
|
|
|
func Test_closure_counter()
|
|
func! s:foo()
|
|
let x = 0
|
|
func! s:bar() closure
|
|
let x += 1
|
|
return x
|
|
endfunc
|
|
return function('s:bar')
|
|
endfunc
|
|
|
|
let l:F = s:foo()
|
|
call test_garbagecollect_now()
|
|
call assert_equal(1, l:F())
|
|
call assert_equal(2, l:F())
|
|
call assert_equal(3, l:F())
|
|
call assert_equal(4, l:F())
|
|
|
|
call assert_match("^\n function <SNR>\\d\\+_bar() closure"
|
|
\ .. "\n1 let x += 1"
|
|
\ .. "\n2 return x"
|
|
\ .. "\n endfunction$", execute('func s:bar'))
|
|
endfunc
|
|
|
|
func Test_closure_unlet()
|
|
func! s:foo()
|
|
let x = 1
|
|
func! s:bar() closure
|
|
unlet x
|
|
endfunc
|
|
call s:bar()
|
|
return l:
|
|
endfunc
|
|
|
|
call assert_false(has_key(s:foo(), 'x'))
|
|
call test_garbagecollect_now()
|
|
endfunc
|
|
|
|
func LambdaFoo()
|
|
let x = 0
|
|
func! LambdaBar() closure
|
|
let x += 1
|
|
return x
|
|
endfunc
|
|
return function('LambdaBar')
|
|
endfunc
|
|
|
|
func Test_closure_refcount()
|
|
let g:Count = LambdaFoo()
|
|
call test_garbagecollect_now()
|
|
call assert_equal(1, g:Count())
|
|
let g:Count2 = LambdaFoo()
|
|
call test_garbagecollect_now()
|
|
call assert_equal(1, g:Count2())
|
|
call assert_equal(2, g:Count())
|
|
call assert_equal(3, g:Count2())
|
|
|
|
delfunc LambdaFoo
|
|
delfunc LambdaBar
|
|
endfunc
|
|
|
|
" This test is causing a use-after-free on shutdown.
|
|
func Test_named_function_closure()
|
|
func! Afoo()
|
|
let x = 14
|
|
func! s:Abar() closure
|
|
return x
|
|
endfunc
|
|
call assert_equal(14, s:Abar())
|
|
endfunc
|
|
call Afoo()
|
|
call assert_equal(14, s:Abar())
|
|
call test_garbagecollect_now()
|
|
call assert_equal(14, s:Abar())
|
|
endfunc
|
|
|
|
func Test_lambda_with_index()
|
|
let List = {x -> [x]}
|
|
let Extract = {-> function(List, ['foobar'])()[0]}
|
|
call assert_equal('foobar', Extract())
|
|
endfunc
|
|
|
|
func Test_lambda_error()
|
|
" This was causing a crash
|
|
call assert_fails('ec{@{->{d->()()', 'E15')
|
|
endfunc
|
|
|
|
func Test_closure_error()
|
|
let l =<< trim END
|
|
func F1() closure
|
|
return 1
|
|
endfunc
|
|
END
|
|
call writefile(l, 'Xscript')
|
|
let caught_932 = 0
|
|
try
|
|
source Xscript
|
|
catch /E932:/
|
|
let caught_932 = 1
|
|
endtry
|
|
call assert_equal(1, caught_932)
|
|
endfunc
|
|
|
|
" vim: shiftwidth=2 sts=2 expandtab
|