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neovim/test/old/testdir/test_let.vim
zeertzjq 43f8d7e3ef
vim-patch:9.1.0329: String interpolation fails for Dict type (#28335) 
Problem:  String interpolation fails for Dict type
Solution: Support Dict data type properly, also support :put =Dict
          (without having to convert it to string() first)
          (Yegappan Lakshmanan)

fixes: vim/vim#14529
closes: vim/vim#14541

f01493c550

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
2024-04-15 07:11:39 +08:00

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" Tests for the :let command.
source vim9.vim
func Test_let()
" Test to not autoload when assigning. It causes internal error.
set runtimepath+=./sautest
let Test104#numvar = function('tr')
call assert_equal("function('tr')", string(Test104#numvar))
let foo#tr = function('tr')
call assert_equal("function('tr')", string(foo#tr))
unlet foo#tr
let a = 1
let b = 2
let out = execute('let a b')
let s = "\na #1\nb #2"
call assert_equal(s, out)
let out = execute('let {0 == 1 ? "a" : "b"}')
let s = "\nb #2"
call assert_equal(s, out)
let out = execute('let {0 == 1 ? "a" : "b"} a')
let s = "\nb #2\na #1"
call assert_equal(s, out)
let out = execute('let a {0 == 1 ? "a" : "b"}')
let s = "\na #1\nb #2"
call assert_equal(s, out)
" Test for displaying a string variable
let s = 'vim'
let out = execute('let s')
let s = "\ns vim"
call assert_equal(s, out)
" Test for displaying a list variable
let l = [1, 2]
let out = execute('let l')
let s = "\nl [1, 2]"
call assert_equal(s, out)
" Test for displaying a dict variable
let d = {'k' : 'v'}
let out = execute('let d')
let s = "\nd {'k': 'v'}"
call assert_equal(s, out)
" Test for displaying a function reference variable
let F = function('min')
let out = execute('let F')
let s = "\nF *min()"
call assert_equal(s, out)
let x = 0
if 0 | let x = 1 | endif
call assert_equal(0, x)
" Display a list item using an out of range index
let l = [10]
call assert_fails('let l[1]', 'E684:')
" List special variable dictionaries
let g:Test_Global_Var = 5
call assert_match("\nTest_Global_Var #5", execute('let g:'))
unlet g:Test_Global_Var
let b:Test_Buf_Var = 8
call assert_match("\nb:Test_Buf_Var #8", execute('let b:'))
unlet b:Test_Buf_Var
let w:Test_Win_Var = 'foo'
call assert_equal("\nw:Test_Win_Var foo", execute('let w:'))
unlet w:Test_Win_Var
let t:Test_Tab_Var = 'bar'
call assert_equal("\nt:Test_Tab_Var bar", execute('let t:'))
unlet t:Test_Tab_Var
let s:Test_Script_Var = [7]
call assert_match("\ns:Test_Script_Var \\[7]", execute('let s:'))
unlet s:Test_Script_Var
let l:Test_Local_Var = {'k' : 5}
call assert_match("\nl:Test_Local_Var {'k': 5}", execute('let l:'))
call assert_match("v:errors []", execute('let v:'))
" Test for assigning multiple list items
let l = [1, 2, 3]
let [l[0], l[1]] = [10, 20]
call assert_equal([10, 20, 3], l)
" Test for errors in conditional expression
call assert_fails('let val = [] ? 1 : 2', 'E745:')
call assert_fails('let val = 1 ? 5+ : 6', 'E121:')
call assert_fails('let val = 1 ? 0 : 5+', 'E15:')
call assert_false(exists('val'))
" Test for errors in logical operators
let @a = 'if [] || 0 | let val = 2 | endif'
call assert_fails('exe @a', 'E745:')
call assert_fails('call feedkeys(":let val = 0 || []\<cr>", "xt")', 'E745:')
call assert_fails('exe "let val = [] && 5"', 'E745:')
call assert_fails('exe "let val = 6 && []"', 'E745:')
endfunc
func s:set_arg1(a) abort
let a:a = 1
endfunction
func s:set_arg2(a) abort
let a:b = 1
endfunction
func s:set_arg3(a) abort
let b = a:
let b['a'] = 1
endfunction
func s:set_arg4(a) abort
let b = a:
let b['a'] = 1
endfunction
func s:set_arg5(a) abort
let b = a:
let b['a'][0] = 1
endfunction
func s:set_arg6(a) abort
let a:a[0] = 1
endfunction
func s:set_arg7(a) abort
call extend(a:, {'a': 1})
endfunction
func s:set_arg8(a) abort
call extend(a:, {'b': 1})
endfunction
func s:set_arg9(a) abort
let a:['b'] = 1
endfunction
func s:set_arg10(a) abort
let b = a:
call extend(b, {'a': 1})
endfunction
func s:set_arg11(a) abort
let b = a:
call extend(b, {'b': 1})
endfunction
func s:set_arg12(a) abort
let b = a:
let b['b'] = 1
endfunction
func Test_let_arg_fail()
call assert_fails('call s:set_arg1(1)', 'E46:')
call assert_fails('call s:set_arg2(1)', 'E461:')
call assert_fails('call s:set_arg3(1)', 'E46:')
call assert_fails('call s:set_arg4(1)', 'E46:')
call assert_fails('call s:set_arg5(1)', 'E46:')
call s:set_arg6([0])
call assert_fails('call s:set_arg7(1)', 'E742:')
call assert_fails('call s:set_arg8(1)', 'E742:')
call assert_fails('call s:set_arg9(1)', 'E461:')
call assert_fails('call s:set_arg10(1)', 'E742:')
call assert_fails('call s:set_arg11(1)', 'E742:')
call assert_fails('call s:set_arg12(1)', 'E461:')
endfunction
func s:set_varg1(...) abort
let a:000 = []
endfunction
func s:set_varg2(...) abort
let a:000[0] = 1
endfunction
func s:set_varg3(...) abort
let a:000 += [1]
endfunction
func s:set_varg4(...) abort
call add(a:000, 1)
endfunction
func s:set_varg5(...) abort
let a:000[0][0] = 1
endfunction
func s:set_varg6(...) abort
let b = a:000
let b[0] = 1
endfunction
func s:set_varg7(...) abort
let b = a:000
let b += [1]
endfunction
func s:set_varg8(...) abort
let b = a:000
call add(b, 1)
endfunction
func s:set_varg9(...) abort
let b = a:000
let b[0][0] = 1
endfunction
func Test_let_varg_fail()
call assert_fails('call s:set_varg1(1)', 'E46:')
call assert_fails('call s:set_varg2(1)', 'E742:')
call assert_fails('call s:set_varg3(1)', 'E46:')
call assert_fails('call s:set_varg4(1)', 'E742:')
call s:set_varg5([0])
call assert_fails('call s:set_varg6(1)', 'E742:')
call assert_fails('call s:set_varg7(1)', 'E742:')
call assert_fails('call s:set_varg8(1)', 'E742:')
call s:set_varg9([0])
endfunction
func Test_let_utf8_environment()
let $a = 'ĀĒĪŌŪあいうえお'
call assert_equal('ĀĒĪŌŪあいうえお', $a)
endfunc
func Test_let_no_type_checking()
let v = 1
let v = [1,2,3]
let v = {'a': 1, 'b': 2}
let v = 3.4
let v = 'hello'
endfunc
func Test_let_termcap()
throw 'Skipped: Nvim does not support termcap options'
" Terminal code
let old_t_te = &t_te
let &t_te = "\<Esc>[yes;"
call assert_match('t_te.*^[[yes;', execute("set termcap"))
let &t_te = old_t_te
if exists("+t_k1")
" Key code
let old_t_k1 = &t_k1
let &t_k1 = "that"
call assert_match('t_k1.*that', execute("set termcap"))
let &t_k1 = old_t_k1
endif
call assert_fails('let x = &t_xx', 'E113:')
let &t_xx = "yes"
call assert_equal("yes", &t_xx)
let &t_xx = ""
call assert_fails('let x = &t_xx', 'E113:')
endfunc
func Test_let_option_error()
let _w = &tw
let &tw = 80
call assert_fails('let &tw .= 1', ['E734:', 'E734:'])
call assert_fails('let &tw .= []', ['E734:', 'E734:'])
call assert_fails('let &tw = []', ['E745:', 'E745:'])
call assert_fails('let &tw += []', ['E745:', 'E745:'])
call assert_equal(80, &tw)
let &tw = _w
let _w = &autoread
let &autoread = 1
call assert_fails('let &autoread .= 1', ['E734:', 'E734:'])
call assert_fails('let &autoread .= []', ['E734:', 'E734:'])
call assert_fails('let &autoread = []', ['E745:', 'E745:'])
call assert_fails('let &autoread += []', ['E745:', 'E745:'])
call assert_equal(1, &autoread)
let &autoread = _w
let _w = &fillchars
let &fillchars = "vert:|"
call assert_fails('let &fillchars += "diff:-"', ['E734:', 'E734:'])
call assert_fails('let &fillchars += []', ['E734:', 'E734:'])
call assert_fails('let &fillchars = []', ['E730:', 'E730:'])
call assert_fails('let &fillchars .= []', ['E730:', 'E730:'])
call assert_equal("vert:|", &fillchars)
let &fillchars = _w
call assert_fails('let &nosuchoption = 1', ['E355:', 'E355:'])
call assert_fails('let &nosuchoption = ""', ['E355:', 'E355:'])
call assert_fails('let &nosuchoption = []', ['E355:', 'E355:'])
call assert_fails('let &t_xx = []', ['E730:', 'E730:'])
endfunc
" Errors with the :let statement
func Test_let_errors()
let s = 'abcd'
call assert_fails('let s[1] = 5', 'E689:')
let l = [1, 2, 3]
call assert_fails('let l[:] = 5', 'E709:')
call assert_fails('let x:lnum=5', ['E121:', 'E488:'])
call assert_fails('let v:=5', 'E461:')
call assert_fails('let [a]', 'E474:')
call assert_fails('let [a, b] = [', 'E697:')
call assert_fails('let [a, b] = [10, 20', 'E696:')
call assert_fails('let [a, b] = 10', 'E714:')
call assert_fails('let [a, , b] = [10, 20]', 'E475:')
call assert_fails('let [a, b&] = [10, 20]', 'E475:')
call assert_fails('let $ = 10', 'E475:')
call assert_fails('let $FOO[1] = "abc"', 'E18:')
call assert_fails('let &buftype[1] = "nofile"', 'E18:')
let s = "var"
let var = 1
call assert_fails('let var += [1,2]', 'E734:')
call assert_fails('let {s}.1 = 2', 'E1203:')
call assert_fails('let a[1] = 5', 'E121:')
let l = [[1,2]]
call assert_fails('let l[:][0] = [5]', 'E708:')
let d = {'k' : 4}
call assert_fails('let d.# = 5', 'E488:')
call assert_fails('let d.m += 5', 'E716:')
call assert_fails('let m = d[{]', 'E15:')
let l = [1, 2]
call assert_fails('let l[2] = 0', 'E684:')
call assert_fails('let l[0:1] = [1, 2, 3]', 'E710:')
call assert_fails('let l[-2:-3] = [3, 4]', 'E684:')
call assert_fails('let l[0:4] = [5, 6]', 'E711:')
call assert_fails('let l -= 2', 'E734:')
call assert_fails('let l += 2', 'E734:')
call assert_fails('let g:["a;b"] = 10', 'E461:')
call assert_fails('let g:.min = function("max")', 'E704:')
call assert_fails('let g:cos = "" | let g:.cos = {-> 42}', 'E704:')
if has('channel')
let ch = test_null_channel()
call assert_fails('let ch += 1', 'E734:')
endif
call assert_fails('let name = "a" .. "b",', 'E488: Trailing characters: ,')
" This test works only when the language is English
if v:lang == "C" || v:lang =~ '^[Ee]n'
call assert_fails('let [a ; b;] = [10, 20]',
\ 'Double ; in list of variables')
endif
endfunc
func Test_let_heredoc_fails()
call assert_fails('let v =<< marker', 'E991:')
try
exe "let v =<< TEXT | abc | TEXT"
call assert_report('No exception thrown')
catch /E488:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let &commentstring =<< trim TEXT
change
insert
append
TEXT
call assert_report('No exception thrown')
catch /E730:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let $SOME_ENV_VAR =<< trim TEXT
change
insert
append
TEXT
call assert_report('No exception thrown')
catch /E730:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let @r =<< trim TEXT
change
insert
append
TEXT
call assert_report('No exception thrown')
catch /E730:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let @- =<< trim TEXT
change
insert
append
TEXT
call assert_report('No exception thrown')
catch /E730:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let [] =<< trim TEXT
TEXT
call assert_report('No exception thrown')
catch /E475:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let [a b c] =<< trim TEXT
TEXT
call assert_report('No exception thrown')
catch /E475:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let [a; b; c] =<< trim TEXT
TEXT
call assert_report('No exception thrown')
catch /E452:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
let text =<< trim END
func WrongSyntax()
let v =<< that there
endfunc
END
call writefile(text, 'XheredocFail')
call assert_fails('source XheredocFail', 'E1145:')
call delete('XheredocFail')
let text =<< trim CodeEnd
func MissingEnd()
let v =<< END
endfunc
CodeEnd
call writefile(text, 'XheredocWrong')
call assert_fails('source XheredocWrong', 'E1145:')
call delete('XheredocWrong')
let text =<< trim TEXTend
let v =<< " comment
TEXTend
call writefile(text, 'XheredocNoMarker')
call assert_fails('source XheredocNoMarker', 'E172:')
call delete('XheredocNoMarker')
let text =<< trim TEXTend
let v =<< text
TEXTend
call writefile(text, 'XheredocBadMarker')
call assert_fails('source XheredocBadMarker', 'E221:')
call delete('XheredocBadMarker')
call writefile(['let v =<< TEXT', 'abc'], 'XheredocMissingMarker')
call assert_fails('source XheredocMissingMarker', 'E990:')
call delete('XheredocMissingMarker')
endfunc
func Test_let_heredoc_trim_no_indent_marker()
let text =<< trim END
Text
with
indent
END
call assert_equal(['Text', 'with', 'indent'], text)
endfunc
func Test_let_interpolated()
call assert_equal('{text}', $'{{text}}')
call assert_equal('{{text}}', $'{{{{text}}}}')
let text = 'text'
call assert_equal('text{{', $'{text .. "{{"}')
call assert_equal('text{{', $"{text .. '{{'}")
call assert_equal('text{{', $'{text .. '{{'}')
call assert_equal('text{{', $"{text .. "{{"}")
endfunc
" Test for the setting a variable using the heredoc syntax.
" Keep near the end, this messes up highlighting.
func Test_let_heredoc()
let var1 =<< END
Some sample text
Text with indent
!@#$%^&*()-+_={}|[]\~`:";'<>?,./
END
call assert_equal(["Some sample text", "\tText with indent", " !@#$%^&*()-+_={}|[]\\~`:\";'<>?,./"], var1)
let var2 =<< XXX
Editor
XXX
call assert_equal(['Editor'], var2)
let var3 =<<END
END
call assert_equal([], var3)
let var3 =<<END
vim
end
END
END
END
call assert_equal(['vim', '', 'end', ' END', 'END '], var3)
let var1 =<< trim END
Line1
Line2
Line3
END
END
call assert_equal(['Line1', ' Line2', "\tLine3", ' END'], var1)
let var1 =<< trim !!!
Line1
line2
Line3
!!!
!!!
call assert_equal(['Line1', ' line2', "\tLine3", '!!!',], var1)
let var1 =<< trim XX
Line1
XX
call assert_equal(['Line1'], var1)
let var1 =<< trim XX " comment
Line1
Line2
Line3
XX
call assert_equal(['Line1', ' Line2', 'Line3'], var1)
" ignore "endfunc"
let var1 =<< END
something
endfunc
END
call assert_equal(['something', 'endfunc'], var1)
" ignore "endfunc" with trim
let var1 =<< trim END
something
endfunc
END
call assert_equal(['something', 'endfunc'], var1)
" ignore "python << xx"
let var1 =<<END
something
python << xx
END
call assert_equal(['something', 'python << xx'], var1)
" ignore "python << xx" with trim
let var1 =<< trim END
something
python << xx
END
call assert_equal(['something', 'python << xx'], var1)
" ignore "append"
let var1 =<< E
something
app
E
call assert_equal(['something', 'app'], var1)
" ignore "append" with trim
let var1 =<< trim END
something
app
END
call assert_equal(['something', 'app'], var1)
let check = []
if 0
let check =<< trim END
from heredoc
END
endif
call assert_equal([], check)
" unpack assignment
let [a, b, c] =<< END
x
\y
z
END
call assert_equal([' x', ' \y', ' z'], [a, b, c])
" unpack assignment without whitespace
let[a,b,c]=<<END
change
insert
append
END
call assert_equal(['change', 'insert', 'append'], [a, b, c])
" unpack assignment with semicolon
let [a; b] =<< END
change
insert
append
END
call assert_equal(['change', ['insert', 'append']], [a, b])
" unpack assignment with registers
let [@/, @", @-] =<< END
change
insert
append
END
call assert_equal(['change', 'insert', 'append'], [@/, @", @-])
" curly braces name and list slice assignment
let foo_3_bar = ['', '', '']
let foo_{1 + 2}_bar[ : ] =<< END
change
insert
append
END
call assert_equal(['change', 'insert', 'append'], foo_3_bar)
" dictionary key containing brackets and spaces
let d = {'abc] 123': 'baz'}
let d[d['abc] 123'] .. '{'] =<< END
change
insert
append
END
call assert_equal(['change', 'insert', 'append'], d['baz{'])
endfunc
" Test for evaluating Vim expressions in a heredoc using {expr}
" Keep near the end, this messes up highlighting.
func Test_let_heredoc_eval()
let str = ''
let code =<< trim eval END
let a = {5 + 10}
let b = {min([10, 6])} + {max([4, 6])}
{str}
let c = "abc{str}d"
END
call assert_equal(['let a = 15', 'let b = 6 + 6', '', 'let c = "abcd"'], code)
let $TESTVAR = "Hello"
let code =<< eval trim END
let s = "{$TESTVAR}"
END
call assert_equal(['let s = "Hello"'], code)
let code =<< eval END
let s = "{$TESTVAR}"
END
call assert_equal([' let s = "Hello"'], code)
let a = 10
let data =<< eval END
{a}
END
call assert_equal(['10'], data)
let x = 'X'
let code =<< eval trim END
let a = {{abc}}
let b = {x}
let c = {{
END
call assert_equal(['let a = {abc}', 'let b = X', 'let c = {'], code)
" Evaluate a dictionary
let d1 = #{a: 10, b: 'ss', c: {}}
let code =<< eval trim END
let d2 = {d1}
END
call assert_equal(["let d2 = {'a': 10, 'b': 'ss', 'c': {}}"], code)
let code = 'xxx'
let code =<< eval trim END
let n = {5 +
6}
END
call assert_equal('xxx', code)
let code =<< eval trim END
let n = {min([1, 2]} + {max([3, 4])}
END
call assert_equal('xxx', code)
let lines =<< trim LINES
let text =<< eval trim END
let b = {
END
LINES
call CheckScriptFailure(lines, 'E1279:')
let lines =<< trim LINES
let text =<< eval trim END
let b = {abc
END
LINES
call CheckScriptFailure(lines, 'E1279:')
let lines =<< trim LINES
let text =<< eval trim END
let b = {}
END
LINES
call CheckScriptFailure(lines, 'E15:')
" Test for using heredoc in a single string using :execute or execute()
for [cmd, res] in items({
\ "let x =<< trim END\n one\n two\nEND": ['one', 'two'],
\ "let x =<< trim END\n one\n two\nEND": ['one', ' two'],
\ " let x =<< trim END\n one\n two\n END": ['one', 'two'],
\ " let x =<< trim END\n one\n two\n END": ['one', ' two'],
\ "let x =<< END\n one\n two\nEND": [' one', ' two'],
\ "let x =<< END\none\ntwo\nEND": ['one', 'two'],
\ "let x =<< END \" comment\none\ntwo\nEND": ['one', 'two'],
\ })
execute cmd
call assert_equal(res, x)
unlet x
call assert_equal($"\n{string(res)}", execute($"{cmd}\necho x"))
unlet x
endfor
for [cmd, err] in items({
\ "let x =<<\none\ntwo": "E172:",
\ "let x =<< trim\n one\n two": "E172:",
\ "let x =<< end\none\ntwo\nend": "E221:",
\ "let x =<< END\none\ntwo": "E990: Missing end marker 'END'",
\ "let x =<< END !\none\ntwo\nEND": "E488: Trailing characters: !",
\ "let x =<< eval END\none\ntwo{y}\nEND": "E121: Undefined variable: y",
\ })
call assert_fails('execute cmd', err)
call assert_fails('call execute(cmd)', err)
endfor
" skipped heredoc
if 0
let msg =<< trim eval END
n is: {n}
END
endif
" Test for sourcing a script containing a heredoc with invalid expression.
" Variable assignment should fail, if expression evaluation fails
new
let g:Xvar = 'test'
let g:b = 10
let lines =<< trim END
let Xvar =<< eval CODE
let a = 1
let b = {5+}
let c = 2
CODE
let g:Count += 1
END
call setline(1, lines)
let g:Count = 0
call assert_fails('source', 'E15:')
call assert_equal(1, g:Count)
call setline(3, 'let b = {abc}')
call assert_fails('source', 'E121:')
call assert_equal(2, g:Count)
call setline(3, 'let b = {abc} + {min([9, 4])} + 2')
call assert_fails('source', 'E121:')
call assert_equal(3, g:Count)
call assert_equal('test', g:Xvar)
call assert_equal(10, g:b)
bw!
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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