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test_vim9_assign.vim
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test_vim9_assign.vim
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" Test Vim9 assignments
source check.vim
import './vim9.vim' as v9
source term_util.vim
let s:appendToMe = 'xxx'
let s:addToMe = 111
let g:existing = 'yes'
let g:inc_counter = 1
let $SOME_ENV_VAR = 'some'
let g:alist = [7]
let g:adict = #{a: 1}
let g:astring = 'text'
def Test_assignment_bool()
var bool1: bool = true
assert_equal(v:true, bool1)
var bool2: bool = false
assert_equal(v:false, bool2)
var bool3: bool = 0
assert_equal(false, bool3)
var bool4: bool = 1
assert_equal(true, bool4)
var bool5: bool = 1 && true
assert_equal(true, bool5)
var bool6: bool = 0 && 1
assert_equal(false, bool6)
var bool7: bool = 0 || 1 && true
assert_equal(true, bool7)
var lines =<< trim END
vim9script
def GetFlag(): bool
var flag: bool = 1
return flag
enddef
var flag: bool = GetFlag()
assert_equal(true, flag)
flag = 0
assert_equal(false, flag)
flag = 1
assert_equal(true, flag)
flag = 1 || true
assert_equal(true, flag)
flag = 1 && false
assert_equal(false, flag)
var cp: bool = &cp
var fen: bool = &l:fen
END
v9.CheckScriptSuccess(lines)
v9.CheckDefAndScriptFailure(['var x: bool = 2'], 'E1012:')
v9.CheckDefAndScriptFailure(['var x: bool = -1'], 'E1012:')
v9.CheckDefAndScriptFailure(['var x: bool = [1]'], 'E1012:')
v9.CheckDefAndScriptFailure(['var x: bool = {}'], 'E1012:')
v9.CheckDefAndScriptFailure(['var x: bool = "x"'], 'E1012:')
v9.CheckDefAndScriptFailure(['var x: bool = "x"', '', 'eval 0'], 'E1012:', 1)
enddef
def Test_syntax()
var name = 234
var other: list<string> = ['asdf']
enddef
def Test_assignment()
v9.CheckDefFailure(['var x:string'], 'E1069:')
v9.CheckDefFailure(['var x:string = "x"'], 'E1069:')
v9.CheckDefFailure(['var a:string = "x"'], 'E1069:')
v9.CheckDefFailure(['var lambda = () => "lambda"'], 'E704:')
v9.CheckScriptFailure(['var x = "x"'], 'E1124:')
# lower case name is OK for a list
var lambdaLines =<< trim END
var lambdaList: list<func> = [g:Test_syntax]
lambdaList[0] = () => "lambda"
END
v9.CheckDefAndScriptSuccess(lambdaLines)
var nr: number = 1234
v9.CheckDefFailure(['var nr: number = "asdf"'], 'E1012:')
var a: number = 6 #comment
assert_equal(6, a)
if has('channel')
var chan1: channel
assert_equal('fail', ch_status(chan1))
var job1: job
assert_equal('fail', job_status(job1))
# calling job_start() is in test_vim9_fails.vim, it causes leak reports
endif
if has('float')
var float1: float = 3.4
endif
var Funky1: func
var Funky2: func = function('len')
var Party2: func = funcref('g:Test_syntax')
g:newvar = 'new' #comment
assert_equal('new', g:newvar)
assert_equal('yes', g:existing)
g:existing = 'no'
assert_equal('no', g:existing)
v:char = 'abc'
assert_equal('abc', v:char)
$ENVVAR = 'foobar'
assert_equal('foobar', $ENVVAR)
$ENVVAR = ''
var lines =<< trim END
vim9script
$ENVVAR = 'barfoo'
assert_equal('barfoo', $ENVVAR)
$ENVVAR = ''
END
v9.CheckScriptSuccess(lines)
s:appendToMe ..= 'yyy'
assert_equal('xxxyyy', s:appendToMe)
s:addToMe += 222
assert_equal(333, s:addToMe)
s:newVar = 'new'
assert_equal('new', s:newVar)
set ts=7
var ts: number = &ts
assert_equal(7, ts)
&ts += 1
assert_equal(8, &ts)
&ts -= 3
assert_equal(5, &ts)
&ts *= 2
assert_equal(10, &ts)
&ts /= 3
assert_equal(3, &ts)
set ts=10
&ts %= 4
assert_equal(2, &ts)
if has('float')
var f100: float = 100.0
f100 /= 5
assert_equal(20.0, f100)
var f200: float = 200.0
f200 /= 5.0
assert_equal(40.0, f200)
v9.CheckDefFailure(['var nr: number = 200', 'nr /= 5.0'], 'E1012:')
endif
lines =<< trim END
&ts = 6
&ts += 3
assert_equal(9, &ts)
&l:ts = 6
assert_equal(6, &ts)
&l:ts += 2
assert_equal(8, &ts)
&g:ts = 6
assert_equal(6, &g:ts)
&g:ts += 2
assert_equal(8, &g:ts)
&number = true
assert_equal(true, &number)
&number = 0
assert_equal(false, &number)
&number = 1
assert_equal(true, &number)
&number = false
assert_equal(false, &number)
END
v9.CheckDefAndScriptSuccess(lines)
v9.CheckDefFailure(['¬ex += 3'], 'E113:')
v9.CheckDefFailure(['&ts ..= "xxx"'], 'E1019:')
v9.CheckDefFailure(['&ts = [7]'], 'E1012:')
v9.CheckDefExecFailure(['&ts = g:alist'], 'E1012: Type mismatch; expected number but got list<number>')
v9.CheckDefFailure(['&ts = "xx"'], 'E1012:')
v9.CheckDefExecFailure(['&ts = g:astring'], 'E1012: Type mismatch; expected number but got string')
v9.CheckDefFailure(['&path += 3'], 'E1012:')
v9.CheckDefExecFailure(['&bs = "asdf"'], 'E474:')
# test freeing ISN_STOREOPT
v9.CheckDefFailure(['&ts = 3', 'var asdf'], 'E1022:')
&ts = 8
lines =<< trim END
var save_TI = &t_TI
&t_TI = ''
assert_equal('', &t_TI)
&t_TI = 'xxx'
assert_equal('xxx', &t_TI)
&t_TI = save_TI
END
v9.CheckDefAndScriptSuccess(lines)
v9.CheckDefFailure(['&t_TI = 123'], 'E1012:')
v9.CheckScriptFailure(['vim9script', '&t_TI = 123'], 'E928:')
v9.CheckDefFailure(['var s:var = 123'], 'E1101:')
v9.CheckDefFailure(['var s:var: number'], 'E1101:')
lines =<< trim END
vim9script
def SomeFunc()
s:var = 123
enddef
defcompile
END
v9.CheckScriptFailure(lines, 'E1089:')
g:inc_counter += 1
assert_equal(2, g:inc_counter)
if has('float')
var f: float
f += 1
assert_equal(1.0, f)
endif
$SOME_ENV_VAR ..= 'more'
assert_equal('somemore', $SOME_ENV_VAR)
v9.CheckDefFailure(['$SOME_ENV_VAR += "more"'], 'E1051:')
v9.CheckDefFailure(['$SOME_ENV_VAR += 123'], 'E1012:')
v:errmsg = 'none'
v:errmsg ..= 'again'
assert_equal('noneagain', v:errmsg)
v9.CheckDefFailure(['v:errmsg += "more"'], 'E1051:')
v9.CheckDefFailure(['v:errmsg += 123'], 'E1012:')
var text =<< trim END
some text
END
enddef
def Test_float_and_number()
if !has('float')
MissingFeature float
else
var lines =<< trim END
var f: float
f += 2
f -= 1
assert_equal(1.0, f)
++f
--f
assert_equal(1.0, f)
END
v9.CheckDefAndScriptSuccess(lines)
endif
enddef
let g:someNumber = 43
def Test_assign_concat()
var lines =<< trim END
var s = '-'
s ..= 99
s ..= true
s ..= '-'
s ..= v:null
s ..= g:someNumber
assert_equal('-99true-null43', s)
END
v9.CheckDefAndScriptSuccess(lines)
lines =<< trim END
var s = '-'
s ..= [1, 2]
END
v9.CheckDefAndScriptFailure(lines, ['E1105: Cannot convert list to string', 'E734: Wrong variable type for .='], 2)
lines =<< trim END
var s = '-'
s ..= {a: 2}
END
v9.CheckDefAndScriptFailure(lines, ['E1105: Cannot convert dict to string', 'E734: Wrong variable type for .='], 2)
enddef
def Test_assign_register()
var lines =<< trim END
@c = 'areg'
@c ..= 'add'
assert_equal('aregadd', @c)
@@ = 'some text'
assert_equal('some text', getreg('"'))
END
v9.CheckDefAndScriptSuccess(lines)
v9.CheckDefFailure(['@a += "more"'], 'E1051:')
v9.CheckDefFailure(['@a += 123'], 'E1012:')
enddef
def Test_reserved_name()
for name in ['true', 'false', 'null']
v9.CheckDefExecAndScriptFailure(['var ' .. name .. ' = 0'], 'E1034:')
v9.CheckDefExecAndScriptFailure(['var ' .. name .. ': bool'], 'E1034:')
endfor
enddef
def Test_skipped_assignment()
var lines =<< trim END
for x in []
var i: number = 1
while false
i += 1
endwhile
endfor
END
v9.CheckDefAndScriptSuccess(lines)
enddef
def Test_assign_keep_type()
var lines =<< trim END
vim9script
var l: list<number> = [123]
l = [123]
l->add('string')
END
v9.CheckScriptFailure(lines, 'E1012:', 4)
enddef
def Test_assign_unpack()
var lines =<< trim END
var v1: number
var v2: number
[v1, v2] = [1, 2]
assert_equal(1, v1)
assert_equal(2, v2)
[v1, _, v2, _] = [1, 99, 2, 77]
assert_equal(1, v1)
assert_equal(2, v2)
[v1, v2; _] = [1, 2, 3, 4, 5]
assert_equal(1, v1)
assert_equal(2, v2)
var reslist = []
for text in ['aaa {bbb} ccc', 'ddd {eee} fff']
var before: string
var middle: string
var after: string
[_, before, middle, after; _] = text->matchlist('\(.\{-\}\){\(.\{-\}\)}\(.*\)')
reslist->add(before)->add(middle)->add(after)
endfor
assert_equal(['aaa ', 'bbb', ' ccc', 'ddd ', 'eee', ' fff'], reslist)
var a = 1
var b = 3
[a, b] += [2, 4]
assert_equal(3, a)
assert_equal(7, b)
[a, b] -= [1, 2]
assert_equal(2, a)
assert_equal(5, b)
[a, b] *= [3, 2]
assert_equal(6, a)
assert_equal(10, b)
[a, b] /= [2, 4]
assert_equal(3, a)
assert_equal(2, b)
[a, b] = [17, 15]
[a, b] %= [5, 3]
assert_equal(2, a)
assert_equal(0, b)
END
v9.CheckDefAndScriptSuccess(lines)
lines =<< trim END
var v1: number
var v2: number
[v1, v2] = [1, 2, 3]
END
v9.CheckDefFailure(lines, 'E1093: Expected 2 items but got 3', 3)
lines =<< trim END
var v1: number
var v2: number
[v1, v2] = [1]
END
v9.CheckDefFailure(lines, 'E1093: Expected 2 items but got 1', 3)
lines =<< trim END
var v1: number
var v2: number
[v1, v2; _] = [1]
END
v9.CheckDefFailure(lines, 'E1093: Expected 2 items but got 1', 3)
lines =<< trim END
var v1: number
var v2: number
[v1, v2] =
END
v9.CheckDefFailure(lines, 'E1097:', 5)
lines =<< trim END
var v1: number
var v2: number
[v1, v2] = xxx
END
v9.CheckDefFailure(lines, 'E1001:', 3)
lines =<< trim END
var v1: number
var v2: number
[v1, v2] = popup_clear()
END
v9.CheckDefFailure(lines, 'E1031:', 3)
lines =<< trim END
[v1, v2] = [1, 2]
END
v9.CheckDefFailure(lines, 'E1089', 1)
v9.CheckScriptFailure(['vim9script'] + lines, 'E1089', 2)
lines =<< trim END
var v1: number
var v2: number
[v1, v2] = ''
END
v9.CheckDefFailure(lines, 'E1012: Type mismatch; expected list<any> but got string', 3)
lines =<< trim END
g:values = [false, 0]
var x: bool
var y: string
[x, y] = g:values
END
v9.CheckDefExecAndScriptFailure(lines, 'E1163: Variable 2: type mismatch, expected string but got number')
lines =<< trim END
var x: number
var y: number
var z: string
[x, y, z] = [1, 2, 3]
END
v9.CheckDefAndScriptFailure(lines, 'E1163: Variable 3: type mismatch, expected string but got number')
lines =<< trim END
var x: number
var y: string
var z: string
[x, y, z] = [1, '2', 3]
END
v9.CheckDefExecAndScriptFailure(lines, 'E1163: Variable 3: type mismatch, expected string but got number')
enddef
def Test_assign_linebreak()
var nr: number
nr =
123
assert_equal(123, nr)
var n2: number
[nr, n2] =
[12, 34]
assert_equal(12, nr)
assert_equal(34, n2)
v9.CheckDefFailure(["var x = #"], 'E1097:', 3)
var lines =<< trim END
var x: list<string> = ['a']
var y: list<number> = x
->copy()
->copy()
END
v9.CheckDefExecFailure(lines, 'E1012:', 4)
lines =<< trim END
var x: any
x.key = 1
+ 2
+ 3
+ 4
+ 5
END
v9.CheckDefExecAndScriptFailure(lines, ['E1148:', 'E1203:'], 2)
enddef
def Test_assign_index()
# list of list
var l1: list<number>
l1[0] = 123
assert_equal([123], l1)
var l2: list<list<number>>
l2[0] = []
l2[0][0] = 123
assert_equal([[123]], l2)
var l3: list<list<list<number>>>
l3[0] = []
l3[0][0] = []
l3[0][0][0] = 123
assert_equal([[[123]]], l3)
var lines =<< trim END
var l3: list<list<number>>
l3[0] = []
l3[0][0] = []
END
v9.CheckDefFailure(lines, 'E1012: Type mismatch; expected number but got list<unknown>', 3)
# dict of dict
var d1: dict<number>
d1.one = 1
assert_equal({one: 1}, d1)
var d2: dict<dict<number>>
d2.one = {}
d2.one.two = 123
assert_equal({one: {two: 123}}, d2)
var d3: dict<dict<dict<number>>>
d3.one = {}
d3.one.two = {}
d3.one.two.three = 123
assert_equal({one: {two: {three: 123}}}, d3)
# should not read the next line when generating "a.b"
var a = {}
a.b = {}
a.b.c = {}
->copy()
lines =<< trim END
var d3: dict<dict<number>>
d3.one = {}
d3.one.two = {}
END
v9.CheckDefFailure(lines, 'E1012: Type mismatch; expected number but got dict<unknown>', 3)
lines =<< trim END
var lines: list<string>
lines['a'] = 'asdf'
END
v9.CheckDefFailure(lines, 'E1012:', 2)
lines =<< trim END
var lines: string
lines[9] = 'asdf'
END
v9.CheckDefFailure(lines, 'E1141:', 2)
# list of dict
var ld: list<dict<number>>
ld[0] = {}
ld[0].one = 123
assert_equal([{one: 123}], ld)
lines =<< trim END
var ld: list<dict<number>>
ld[0] = []
END
v9.CheckDefFailure(lines, 'E1012: Type mismatch; expected dict<number> but got list<unknown>', 2)
# dict of list
var dl: dict<list<number>>
dl.one = []
dl.one[0] = 123
assert_equal({one: [123]}, dl)
lines =<< trim END
var dl: dict<list<number>>
dl.one = {}
END
v9.CheckDefFailure(lines, 'E1012: Type mismatch; expected list<number> but got dict<unknown>', 2)
enddef
def Test_init_in_for_loop()
var lines =<< trim END
var l: list<number> = []
for i in [3, 4]
var n: number
add(l, n)
n = 123
endfor
assert_equal([0, 0], l)
END
v9.CheckDefAndScriptSuccess(lines)
lines =<< trim END
var l: list<number> = []
for i in [3, 4]
var n: number = 0
add(l, n)
n = 123
endfor
assert_equal([0, 0], l)
END
v9.CheckDefAndScriptSuccess(lines)
lines =<< trim END
var l: list<number> = []
for i in [3, 4]
var n: number = 3
add(l, n)
n = 123
endfor
assert_equal([3, 3], l)
END
v9.CheckDefAndScriptSuccess(lines)
enddef
def Test_extend_list()
var lines =<< trim END
var l1: list<number>
var l2 = l1
assert_true(l1 is l2)
l1 += [123]
assert_equal([123], l1)
assert_true(l1 is l2)
END
v9.CheckDefAndScriptSuccess(lines)
lines =<< trim END
var list: list<string>
extend(list, ['x'])
assert_equal(['x'], list)
END
v9.CheckDefAndScriptSuccess(lines)
# appending to NULL list from a function
lines =<< trim END
vim9script
var list: list<string>
def Func()
list += ['a', 'b']
enddef
Func()
assert_equal(['a', 'b'], list)
END
v9.CheckScriptSuccess(lines)
lines =<< trim END
vim9script
var list: list<string>
def Func()
extend(list, ['x', 'b'])
enddef
Func()
assert_equal(['x', 'b'], list)
END
v9.CheckScriptSuccess(lines)
lines =<< trim END
vim9script
var l: list<string> = test_null_list()
extend(l, ['x'])
assert_equal(['x'], l)
END
v9.CheckScriptSuccess(lines)
lines =<< trim END
vim9script
extend(test_null_list(), ['x'])
END
v9.CheckScriptFailure(lines, 'E1134:', 2)
# using global var has no declared type
g:myList = []
g:myList->extend([1])
g:myList->extend(['x'])
assert_equal([1, 'x'], g:myList)
unlet g:myList
# using declared list gives an error
lines =<< trim END
var l: list<number>
g:myList = l
g:myList->extend([1])
g:myList->extend(['x'])
END
v9.CheckDefExecAndScriptFailure(lines, 'E1013: Argument 2: type mismatch, expected list<number> but got list<string>', 4)
unlet g:myList
enddef
def Test_extend_dict()
var lines =<< trim END
vim9script
var d: dict<number>
extend(d, {a: 1})
assert_equal({a: 1}, d)
var d2: dict<number>
d2['one'] = 1
assert_equal({one: 1}, d2)
END
v9.CheckScriptSuccess(lines)
lines =<< trim END
vim9script
var d: dict<string> = test_null_dict()
extend(d, {a: 'x'})
assert_equal({a: 'x'}, d)
END
v9.CheckScriptSuccess(lines)
lines =<< trim END
vim9script
extend(test_null_dict(), {a: 'x'})
END
v9.CheckScriptFailure(lines, 'E1133:', 2)
enddef
def Test_single_letter_vars()
# single letter variables
var a: number = 123
a = 123
assert_equal(123, a)
var b: number
b = 123
assert_equal(123, b)
var g: number
g = 123
assert_equal(123, g)
var s: number
s = 123
assert_equal(123, s)
var t: number
t = 123
assert_equal(123, t)
var v: number
v = 123
assert_equal(123, v)
var w: number
w = 123
assert_equal(123, w)
enddef
def Test_vim9_single_char_vars()
var lines =<< trim END
vim9script
# single character variable declarations work
var a: string
var b: number
var l: list<any>
var s: string
var t: number
var v: number
var w: number
# script-local variables can be used without s: prefix
a = 'script-a'
b = 111
l = [1, 2, 3]
s = 'script-s'
t = 222
v = 333
w = 444
assert_equal('script-a', a)
assert_equal(111, b)
assert_equal([1, 2, 3], l)
assert_equal('script-s', s)
assert_equal(222, t)
assert_equal(333, v)
assert_equal(444, w)
END
writefile(lines, 'Xsinglechar')
source Xsinglechar
delete('Xsinglechar')
enddef
def Test_assignment_list()
var list1: list<bool> = [false, true, false]
var list2: list<number> = [1, 2, 3]
var list3: list<string> = ['sdf', 'asdf']
var list4: list<any> = ['yes', true, 1234]
var list5: list<blob> = [0z01, 0z02]
var listS: list<string> = []
var listN: list<number> = []
assert_equal([1, 2, 3], list2)
list2[-1] = 99
assert_equal([1, 2, 99], list2)
list2[-2] = 88
assert_equal([1, 88, 99], list2)
list2[-3] = 77
assert_equal([77, 88, 99], list2)
list2 += [100]
assert_equal([77, 88, 99, 100], list2)
list3 += ['end']
assert_equal(['sdf', 'asdf', 'end'], list3)
v9.CheckDefExecFailure(['var ll = [1, 2, 3]', 'll[-4] = 6'], 'E684:')
# type becomes list<any>
var somelist = rand() > 0 ? [1, 2, 3] : ['a', 'b', 'c']
# type is list<any> even though initializer is list<number>
var anyList: list<any> = [0]
assert_equal([0, 'x'], extend(anyList, ['x']))
var lines =<< trim END
var d = {dd: test_null_list()}
d.dd[0] = 0
END
v9.CheckDefExecFailure(lines, 'E1147:', 2)
lines =<< trim END
def OneArg(x: bool)
enddef
def TwoArgs(x: bool, y: bool)
enddef
var fl: list<func(bool, bool, bool)> = [OneArg, TwoArgs]
END
v9.CheckDefExecAndScriptFailure(lines, 'E1012:', 5)
enddef
def Test_list_declaration()
var [v1, v2] = [1, 2]
v1 += 3
assert_equal(4, v1)
v2 *= 3
assert_equal(6, v2)
var lines =<< trim END
var [v1, v2] = [1]
END
v9.CheckDefExecAndScriptFailure(lines, ['E1093: Expected 2 items but got 1', 'E688:'])
lines =<< trim END
var testlist = [1]
var [v1, v2] = testlist
END
v9.CheckDefExecAndScriptFailure(lines, ['E1093: Expected 2 items but got 1', 'E688:'])
lines =<< trim END
var [v1, v2] = [1, 2, 3]
END
v9.CheckDefExecAndScriptFailure(lines, ['E1093: Expected 2 items but got 3', 'E687:'])
lines =<< trim END
var testlist = [1, 2, 3]
var [v1, v2] = testlist
END
v9.CheckDefExecAndScriptFailure(lines, ['E1093: Expected 2 items but got 3', 'E687:'])
var [vnr, vstr] = [123, 'text']
vnr += 3
assert_equal(126, vnr)
vstr ..= 'end'
assert_equal('textend', vstr)
var [vnr2: number, vstr2: string] = [123, 'text']
vnr2 += 3
assert_equal(126, vnr2)
vstr2 ..= 'end'
assert_equal('textend', vstr2)
var [vnr3: number; vlist: list<string>] = [123, 'foo', 'bar']
vnr3 += 5
assert_equal(128, vnr3)
assert_equal(['foo', 'bar'], vlist)
lines =<< trim END
var [vnr2: number, vstr2: number] = [123, 'text']
END
v9.CheckDefExecAndScriptFailure(lines, ['E1163: Variable 2: type mismatch, expected number but got string', 'E1012: Type mismatch; expected number but got string'])
lines =<< trim END
var testlist = [234, 'text']
var [vnr2: number, vstr2: number] = testlist
END
v9.CheckDefExecAndScriptFailure(lines, ['E1163: Variable 2: type mismatch, expected number but got string', 'E1012: Type mismatch; expected number but got string'])
enddef
def PartFuncBool(b: bool): string
return 'done'
enddef
def Test_assignment_partial()
var lines =<< trim END
var Partial: func(): string = function(g:PartFuncBool, [true])
assert_equal('done', Partial())
END
v9.CheckDefAndScriptSuccess(lines)
lines =<< trim END
vim9script
def Func(b: bool)
enddef
var Ref: func = function(Func, [true])
assert_equal('func()', typename(Ref))
Ref()
END
v9.CheckScriptSuccess(lines)
lines =<< trim END
vim9script
var nres: any
var sres: any
def Func(nr: number, s = '')
nres = nr
sres = s
enddef
var n: number
var Ref = function(Func, [n])
Ref('x')
assert_equal(0, nres)
assert_equal('x', sres)
END
v9.CheckScriptSuccess(lines)
lines =<< trim END
vim9script
def Func(nr: number, s = '')
enddef
var n: number
var Ref = function(Func, [n])
Ref(0)
END
v9.CheckScriptFailure(lines, 'E1013: Argument 2: type mismatch, expected string but got number')
enddef
def Test_assignment_list_any_index()
var l: list<number> = [1, 2]
for [x, y, _]
in [[0, 1, ''], [1, 3, '']]
l[x] = l[x] + y
endfor
assert_equal([2, 5], l)
enddef
def Test_assignment_list_vim9script()
var lines =<< trim END
vim9script
var v1: number
var v2: number
var v3: number
[v1, v2, v3] = [1, 2, 3]
assert_equal([1, 2, 3], [v1, v2, v3])
END
v9.CheckScriptSuccess(lines)
enddef
def Test_assignment_dict()
var dict1: dict<bool> = {one: false, two: true}
var dict2: dict<number> = {one: 1, two: 2}
var dict3: dict<string> = {key: 'value'}
var dict4: dict<any> = {one: 1, two: '2'}
var dict5: dict<blob> = {one: 0z01, two: 0z02}
# overwrite
dict3['key'] = 'another'
assert_equal(dict3, {key: 'another'})
dict3.key = 'yet another'
assert_equal(dict3, {key: 'yet another'})
# member "any" can also be a dict and assigned to
var anydict: dict<any> = {nest: {}, nr: 0}
anydict.nest['this'] = 123
anydict.nest.that = 456
assert_equal({nest: {this: 123, that: 456}, nr: 0}, anydict)
var lines =<< trim END
var dd = {}
dd.two = 2
assert_equal({two: 2}, dd)
END
v9.CheckDefAndScriptSuccess(lines)
lines =<< trim END
var d = {dd: {}}
d.dd[0] = 2
d.dd['x'] = 3
d.dd.y = 4
assert_equal({dd: {0: 2, x: 3, y: 4}}, d)
END
v9.CheckDefAndScriptSuccess(lines)
lines =<< trim END
var dd = {one: 1}
dd.one) = 2
END
v9.CheckDefFailure(lines, 'E488:', 2)