Patch 8.2.3856
Problem:    Vim9: not enough tests.
Solution:   Run more expression tests also with Vim9. Fix an uncovered
            problem.
Files:      src/vim9compile.c, src/testdir/test_expr.vim, src/testdir/vim9.vim


*** ../vim-8.2.3855/src/vim9compile.c   2021-12-19 15:17:16.221857770 +0000
--- src/vim9compile.c   2021-12-19 21:31:52.243514511 +0000
***************
*** 4308,4314 ****
            type_T      *type;
  
            type = ((type_T **)stack->ga_data)[stack->ga_len - 1];
!           if (need_type(type, &t_number, -1, 0, cctx, FALSE, FALSE) == FAIL)
                return FAIL;
  
            while (p > start && (p[-1] == '-' || p[-1] == '+'))
--- 4308,4315 ----
            type_T      *type;
  
            type = ((type_T **)stack->ga_data)[stack->ga_len - 1];
!           if (type != &t_float && need_type(type, &t_number,
!                                           -1, 0, cctx, FALSE, FALSE) == FAIL)
                return FAIL;
  
            while (p > start && (p[-1] == '-' || p[-1] == '+'))
*** ../vim-8.2.3855/src/testdir/test_expr.vim   2021-11-30 18:25:04.984458295 
+0000
--- src/testdir/test_expr.vim   2021-12-19 21:26:41.044037078 +0000
***************
*** 1,6 ****
--- 1,7 ----
  " Tests for expressions.
  
  source check.vim
+ source vim9.vim
  
  func Test_equal()
    let base = {}
***************
*** 43,559 ****
  endfunc
  
  func Test_op_trinary()
!   call assert_equal('yes', 1 ? 'yes' : 'no')
!   call assert_equal('no', 0 ? 'yes' : 'no')
    call assert_equal('no', 'x' ? 'yes' : 'no')
    call assert_equal('yes', '1x' ? 'yes' : 'no')
! 
!   call assert_fails('echo [1] ? "yes" : "no"', 'E745:')
!   call assert_fails('echo {} ? "yes" : "no"', 'E728:')
  endfunc
  
  func Test_op_falsy()
!   call assert_equal(v:true, v:true ?? 456)
!   call assert_equal(123, 123 ?? 456)
!   call assert_equal('yes', 'yes' ?? 456)
!   call assert_equal(0z00, 0z00 ?? 456)
!   call assert_equal([1], [1] ?? 456)
!   call assert_equal(#{one: 1}, #{one: 1} ?? 456)
!   if has('float')
!     call assert_equal(0.1, 0.1 ?? 456)
!   endif
! 
!   call assert_equal(456, v:false ?? 456)
!   call assert_equal(456, 0 ?? 456)
!   call assert_equal(456, '' ?? 456)
!   call assert_equal(456, 0z ?? 456)
!   call assert_equal(456, [] ?? 456)
!   call assert_equal(456, {} ?? 456)
!   if has('float')
!     call assert_equal(456, 0.0 ?? 456)
!   endif
  endfunc
  
  func Test_dict()
!   let d = {'': 'empty', 'a': 'a', 0: 'zero'}
!   call assert_equal('empty', d[''])
!   call assert_equal('a', d['a'])
!   call assert_equal('zero', d[0])
!   call assert_true(has_key(d, ''))
!   call assert_true(has_key(d, 'a'))
!   call assert_fails("let i = has_key([], 'a')", 'E715:')
! 
!   let d[''] = 'none'
!   let d['a'] = 'aaa'
!   call assert_equal('none', d[''])
!   call assert_equal('aaa', d['a'])
  
!   let d[ 'b' ] = 'bbb'
!   call assert_equal('bbb', d[ 'b' ])
  endfunc
  
  func Test_strgetchar()
!   call assert_equal(char2nr('a'), strgetchar('axb', 0))
!   call assert_equal(char2nr('x'), 'axb'->strgetchar(1))
!   call assert_equal(char2nr('b'), strgetchar('axb', 2))
! 
!   call assert_equal(-1, strgetchar('axb', -1))
!   call assert_equal(-1, strgetchar('axb', 3))
!   call assert_equal(-1, strgetchar('', 0))
!   call assert_fails("let c=strgetchar([], 1)", 'E730:')
!   call assert_fails("let c=strgetchar('axb', [])", 'E745:')
  endfunc
  
  func Test_strcharpart()
!   call assert_equal('a', strcharpart('axb', 0, 1))
!   call assert_equal('x', 'axb'->strcharpart(1, 1))
!   call assert_equal('b', strcharpart('axb', 2, 1))
!   call assert_equal('xb', strcharpart('axb', 1))
! 
!   call assert_equal('', strcharpart('axb', 1, 0))
!   call assert_equal('', strcharpart('axb', 1, -1))
!   call assert_equal('', strcharpart('axb', -1, 1))
!   call assert_equal('', strcharpart('axb', -2, 2))
! 
!   call assert_equal('a', strcharpart('axb', -1, 2))
! 
!   call assert_equal('edit', "editor"[-10:3])
  endfunc
  
  func Test_getreg_empty_list()
!   call assert_equal('', getreg('x'))
!   call assert_equal([], getreg('x', 1, 1))
!   let x = getreg('x', 1, 1)
!   let y = x
!   call add(x, 'foo')
!   call assert_equal(['foo'], y)
!   call assert_fails('call getreg([])', 'E730:')
  endfunc
  
  func Test_loop_over_null_list()
!   let null_list = test_null_list()
!   for i in null_list
!     call assert_report('should not get here')
!   endfor
  endfunc
  
  func Test_setreg_null_list()
!   call setreg('x', test_null_list())
  endfunc
  
  func Test_special_char()
    " The failure is only visible using valgrind.
!   call assert_fails('echo "\<C-">')
  endfunc
  
  func Test_method_with_prefix()
!   call assert_equal(1, !range(5)->empty())
    call assert_equal([0, 1, 2], --3->range())
!   call assert_equal(0, !-3)
    call assert_equal(1, !+-+0)
  endfunc
  
  func Test_option_value()
!   " boolean
!   set bri
!   call assert_equal(1, &bri)
!   set nobri
!   call assert_equal(0, &bri)
! 
!   " number
!   set ts=1
!   call assert_equal(1, &ts)
!   set ts=8
!   call assert_equal(8, &ts)
! 
!   " string
!   exe "set cedit=\<Esc>"
!   call assert_equal("\<Esc>", &cedit)
!   set cpo=
!   call assert_equal("", &cpo)
!   set cpo=abcdefgi
!   call assert_equal("abcdefgi", &cpo)
!   set cpo&vim
! endfunc
! 
! function Test_printf_misc()
!   call assert_equal('123', printf('123'))
!   call assert_fails("call printf('123', 3)", "E767:")
! 
!   call assert_equal('123', printf('%d', 123))
!   call assert_equal('123', printf('%i', 123))
!   call assert_equal('123', printf('%D', 123))
!   call assert_equal('123', printf('%U', 123))
!   call assert_equal('173', printf('%o', 123))
!   call assert_equal('173', printf('%O', 123))
!   call assert_equal('7b', printf('%x', 123))
!   call assert_equal('7B', printf('%X', 123))
! 
!   call assert_equal('123', printf('%hd', 123))
!   call assert_equal('-123', printf('%hd', -123))
!   call assert_equal('-1', printf('%hd', 0xFFFF))
!   call assert_equal('-1', printf('%hd', 0x1FFFFF))
! 
!   call assert_equal('123', printf('%hu', 123))
!   call assert_equal('65413', printf('%hu', -123))
!   call assert_equal('65535', printf('%hu', 0xFFFF))
!   call assert_equal('65535', printf('%hu', 0x1FFFFF))
! 
!   call assert_equal('123', printf('%ld', 123))
!   call assert_equal('-123', printf('%ld', -123))
!   call assert_equal('65535', printf('%ld', 0xFFFF))
!   call assert_equal('131071', printf('%ld', 0x1FFFF))
! 
!   if has('ebcdic')
!     call assert_equal('#', printf('%c', 123))
!   else
!     call assert_equal('{', printf('%c', 123))
!   endif
!   call assert_equal('abc', printf('%s', 'abc'))
!   call assert_equal('abc', printf('%S', 'abc'))
  
!   call assert_equal('+123', printf('%+d', 123))
!   call assert_equal('-123', printf('%+d', -123))
!   call assert_equal('+123', printf('%+ d', 123))
!   call assert_equal(' 123', printf('% d', 123))
!   call assert_equal(' 123', printf('%  d', 123))
!   call assert_equal('-123', printf('% d', -123))
! 
!   call assert_equal('123', printf('%2d', 123))
!   call assert_equal('   123', printf('%6d', 123))
!   call assert_equal('000123', printf('%06d', 123))
!   call assert_equal('+00123', printf('%+06d', 123))
!   call assert_equal(' 00123', printf('% 06d', 123))
!   call assert_equal('  +123', printf('%+6d', 123))
!   call assert_equal('   123', printf('% 6d', 123))
!   call assert_equal('  -123', printf('% 6d', -123))
! 
!   " Test left adjusted.
!   call assert_equal('123   ', printf('%-6d', 123))
!   call assert_equal('+123  ', printf('%-+6d', 123))
!   call assert_equal(' 123  ', printf('%- 6d', 123))
!   call assert_equal('-123  ', printf('%- 6d', -123))
! 
!   call assert_equal('  00123', printf('%7.5d', 123))
!   call assert_equal(' -00123', printf('%7.5d', -123))
!   call assert_equal(' +00123', printf('%+7.5d', 123))
!   " Precision field should not be used when combined with %0
!   call assert_equal('  00123', printf('%07.5d', 123))
!   call assert_equal(' -00123', printf('%07.5d', -123))
! 
!   call assert_equal('  123', printf('%*d', 5, 123))
!   call assert_equal('123  ', printf('%*d', -5, 123))
!   call assert_equal('00123', printf('%.*d', 5, 123))
!   call assert_equal('  123', printf('% *d', 5, 123))
!   call assert_equal(' +123', printf('%+ *d', 5, 123))
! 
!   call assert_equal('foobar', printf('%.*s',  9, 'foobar'))
!   call assert_equal('foo',    printf('%.*s',  3, 'foobar'))
!   call assert_equal('',       printf('%.*s',  0, 'foobar'))
!   call assert_equal('foobar', printf('%.*s', -1, 'foobar'))
! 
!   " Simple quote (thousand grouping char) is ignored.
!   call assert_equal('+00123456', printf("%+'09d", 123456))
! 
!   " Unrecognized format specifier kept as-is.
!   call assert_equal('_123', printf("%_%d", 123))
! 
!   " Test alternate forms.
!   call assert_equal('0x7b', printf('%#x', 123))
!   call assert_equal('0X7B', printf('%#X', 123))
!   call assert_equal('0173', printf('%#o', 123))
!   call assert_equal('0173', printf('%#O', 123))
!   call assert_equal('abc', printf('%#s', 'abc'))
!   call assert_equal('abc', printf('%#S', 'abc'))
!   call assert_equal('  0173', printf('%#6o', 123))
!   call assert_equal(' 00173', printf('%#6.5o', 123))
!   call assert_equal('  0173', printf('%#6.2o', 123))
!   call assert_equal('  0173', printf('%#6.2o', 123))
!   call assert_equal('0173', printf('%#2.2o', 123))
! 
!   call assert_equal(' 00123', printf('%6.5d', 123))
!   call assert_equal(' 0007b', printf('%6.5x', 123))
! 
!   call assert_equal('123', printf('%.2d', 123))
!   call assert_equal('0123', printf('%.4d', 123))
!   call assert_equal('0000000123', printf('%.10d', 123))
!   call assert_equal('123', printf('%.0d', 123))
! 
!   call assert_equal('abc', printf('%2s', 'abc'))
!   call assert_equal('abc', printf('%2S', 'abc'))
!   call assert_equal('abc', printf('%.4s', 'abc'))
!   call assert_equal('abc', printf('%.4S', 'abc'))
!   call assert_equal('ab', printf('%.2s', 'abc'))
!   call assert_equal('ab', printf('%.2S', 'abc'))
!   call assert_equal('', printf('%.0s', 'abc'))
!   call assert_equal('', printf('%.s', 'abc'))
!   call assert_equal(' abc', printf('%4s', 'abc'))
!   call assert_equal(' abc', printf('%4S', 'abc'))
!   call assert_equal('0abc', printf('%04s', 'abc'))
!   call assert_equal('0abc', printf('%04S', 'abc'))
!   call assert_equal('abc ', printf('%-4s', 'abc'))
!   call assert_equal('abc ', printf('%-4S', 'abc'))
! 
!   call assert_equal('🐍', printf('%.2S', '🐍🐍'))
!   call assert_equal('', printf('%.1S', '🐍🐍'))
! 
!   call assert_equal('[    あいう]', printf('[%10.6S]', 'あいうえお'))
!   call assert_equal('[  あいうえ]', printf('[%10.8S]', 'あいうえお'))
!   call assert_equal('[あいうえお]', printf('[%10.10S]', 'あいうえお'))
!   call assert_equal('[あいうえお]', printf('[%10.12S]', 'あいうえお'))
! 
!   call assert_equal('あいう', printf('%S', 'あいう'))
!   call assert_equal('あいう', printf('%#S', 'あいう'))
! 
!   call assert_equal('あb', printf('%2S', 'あb'))
!   call assert_equal('あb', printf('%.4S', 'あb'))
!   call assert_equal('あ', printf('%.2S', 'あb'))
!   call assert_equal(' あb', printf('%4S', 'あb'))
!   call assert_equal('0あb', printf('%04S', 'あb'))
!   call assert_equal('あb ', printf('%-4S', 'あb'))
!   call assert_equal('あ  ', printf('%-4.2S', 'あb'))
! 
!   call assert_equal('aい', printf('%2S', 'aい'))
!   call assert_equal('aい', printf('%.4S', 'aい'))
!   call assert_equal('a', printf('%.2S', 'aい'))
!   call assert_equal(' aい', printf('%4S', 'aい'))
!   call assert_equal('0aい', printf('%04S', 'aい'))
!   call assert_equal('aい ', printf('%-4S', 'aい'))
!   call assert_equal('a   ', printf('%-4.2S', 'aい'))
! 
!   call assert_equal('[あいう]', printf('[%05S]', 'あいう'))
!   call assert_equal('[あいう]', printf('[%06S]', 'あいう'))
!   call assert_equal('[0あいう]', printf('[%07S]', 'あいう'))
! 
!   call assert_equal('[あiう]', printf('[%05S]', 'あiう'))
!   call assert_equal('[0あiう]', printf('[%06S]', 'あiう'))
!   call assert_equal('[00あiう]', printf('[%07S]', 'あiう'))
! 
!   call assert_equal('[0あい]', printf('[%05.4S]', 'あいう'))
!   call assert_equal('[00あい]', printf('[%06.4S]', 'あいう'))
!   call assert_equal('[000あい]', printf('[%07.4S]', 'あいう'))
! 
!   call assert_equal('[00あi]', printf('[%05.4S]', 'あiう'))
!   call assert_equal('[000あi]', printf('[%06.4S]', 'あiう'))
!   call assert_equal('[0000あi]', printf('[%07.4S]', 'あiう'))
! 
!   call assert_equal('[0あい]', printf('[%05.5S]', 'あいう'))
!   call assert_equal('[00あい]', printf('[%06.5S]', 'あいう'))
!   call assert_equal('[000あい]', printf('[%07.5S]', 'あいう'))
! 
!   call assert_equal('[あiう]', printf('[%05.5S]', 'あiう'))
!   call assert_equal('[0あiう]', printf('[%06.5S]', 'あiう'))
!   call assert_equal('[00あiう]', printf('[%07.5S]', 'あiう'))
! 
!   call assert_equal('[0000000000]', printf('[%010.0S]', 'あいう'))
!   call assert_equal('[0000000000]', printf('[%010.1S]', 'あいう'))
!   call assert_equal('[00000000あ]', printf('[%010.2S]', 'あいう'))
!   call assert_equal('[00000000あ]', printf('[%010.3S]', 'あいう'))
!   call assert_equal('[000000あい]', printf('[%010.4S]', 'あいう'))
!   call assert_equal('[000000あい]', printf('[%010.5S]', 'あいう'))
!   call assert_equal('[0000あいう]', printf('[%010.6S]', 'あいう'))
!   call assert_equal('[0000あいう]', printf('[%010.7S]', 'あいう'))
! 
!   call assert_equal('[0000000000]', printf('[%010.1S]', 'あiう'))
!   call assert_equal('[00000000あ]', printf('[%010.2S]', 'あiう'))
!   call assert_equal('[0000000あi]', printf('[%010.3S]', 'あiう'))
!   call assert_equal('[0000000あi]', printf('[%010.4S]', 'あiう'))
!   call assert_equal('[00000あiう]', printf('[%010.5S]', 'あiう'))
!   call assert_equal('[00000あiう]', printf('[%010.6S]', 'あiう'))
!   call assert_equal('[00000あiう]', printf('[%010.7S]', 'あiう'))
! 
!   call assert_equal('1%', printf('%d%%', 1))
  endfunc
  
! function Test_printf_float()
    if has('float')
!     call assert_equal('1.000000', printf('%f', 1))
!     call assert_equal('1.230000', printf('%f', 1.23))
!     call assert_equal('1.230000', printf('%F', 1.23))
!     call assert_equal('9999999.9', printf('%g', 9999999.9))
!     call assert_equal('9999999.9', printf('%G', 9999999.9))
!     call assert_equal('1.00000001e7', printf('%.8g', 10000000.1))
!     call assert_equal('1.00000001E7', printf('%.8G', 10000000.1))
!     call assert_equal('1.230000e+00', printf('%e', 1.23))
!     call assert_equal('1.230000E+00', printf('%E', 1.23))
!     call assert_equal('1.200000e-02', printf('%e', 0.012))
!     call assert_equal('-1.200000e-02', printf('%e', -0.012))
!     call assert_equal('0.33', printf('%.2f', 1.0/3.0))
!     call assert_equal('  0.33', printf('%6.2f', 1.0/3.0))
!     call assert_equal(' -0.33', printf('%6.2f', -1.0/3.0))
!     call assert_equal('000.33', printf('%06.2f', 1.0/3.0))
!     call assert_equal('-00.33', printf('%06.2f', -1.0/3.0))
!     call assert_equal('-00.33', printf('%+06.2f', -1.0/3.0))
!     call assert_equal('+00.33', printf('%+06.2f', 1.0/3.0))
!     call assert_equal(' 00.33', printf('% 06.2f', 1.0/3.0))
!     call assert_equal('000.33', printf('%06.2g', 1.0/3.0))
!     call assert_equal('-00.33', printf('%06.2g', -1.0/3.0))
!     call assert_equal('0.33', printf('%3.2f', 1.0/3.0))
!     call assert_equal('003.33e-01', printf('%010.2e', 1.0/3.0))
!     call assert_equal(' 03.33e-01', printf('% 010.2e', 1.0/3.0))
!     call assert_equal('+03.33e-01', printf('%+010.2e', 1.0/3.0))
!     call assert_equal('-03.33e-01', printf('%010.2e', -1.0/3.0))
! 
!     " When precision is 0, the dot should be omitted.
!     call assert_equal('  2', printf('%3.f', 7.0/3.0))
!     call assert_equal('  2', printf('%3.g', 7.0/3.0))
!     call assert_equal('  2e+00', printf('%7.e', 7.0/3.0))
! 
!     " Float zero can be signed.
!     call assert_equal('+0.000000', printf('%+f', 0.0))
!     call assert_equal('0.000000', printf('%f', 1.0/(1.0/0.0)))
!     call assert_equal('-0.000000', printf('%f', 1.0/(-1.0/0.0)))
!     call assert_equal('0.0', printf('%s', 1.0/(1.0/0.0)))
!     call assert_equal('-0.0', printf('%s', 1.0/(-1.0/0.0)))
!     call assert_equal('0.0', printf('%S', 1.0/(1.0/0.0)))
!     call assert_equal('-0.0', printf('%S', 1.0/(-1.0/0.0)))
! 
!     " Float infinity can be signed.
!     call assert_equal('inf', printf('%f', 1.0/0.0))
!     call assert_equal('-inf', printf('%f', -1.0/0.0))
!     call assert_equal('inf', printf('%g', 1.0/0.0))
!     call assert_equal('-inf', printf('%g', -1.0/0.0))
!     call assert_equal('inf', printf('%e', 1.0/0.0))
!     call assert_equal('-inf', printf('%e', -1.0/0.0))
!     call assert_equal('INF', printf('%F', 1.0/0.0))
!     call assert_equal('-INF', printf('%F', -1.0/0.0))
!     call assert_equal('INF', printf('%E', 1.0/0.0))
!     call assert_equal('-INF', printf('%E', -1.0/0.0))
!     call assert_equal('INF', printf('%E', 1.0/0.0))
!     call assert_equal('-INF', printf('%G', -1.0/0.0))
!     call assert_equal('+inf', printf('%+f', 1.0/0.0))
!     call assert_equal('-inf', printf('%+f', -1.0/0.0))
!     call assert_equal(' inf', printf('% f',  1.0/0.0))
!     call assert_equal('   inf', printf('%6f', 1.0/0.0))
!     call assert_equal('  -inf', printf('%6f', -1.0/0.0))
!     call assert_equal('   inf', printf('%6g', 1.0/0.0))
!     call assert_equal('  -inf', printf('%6g', -1.0/0.0))
!     call assert_equal('  +inf', printf('%+6f', 1.0/0.0))
!     call assert_equal('   inf', printf('% 6f', 1.0/0.0))
!     call assert_equal('  +inf', printf('%+06f', 1.0/0.0))
!     call assert_equal('inf   ', printf('%-6f', 1.0/0.0))
!     call assert_equal('-inf  ', printf('%-6f', -1.0/0.0))
!     call assert_equal('+inf  ', printf('%-+6f', 1.0/0.0))
!     call assert_equal(' inf  ', printf('%- 6f', 1.0/0.0))
!     call assert_equal('-INF  ', printf('%-6F', -1.0/0.0))
!     call assert_equal('+INF  ', printf('%-+6F', 1.0/0.0))
!     call assert_equal(' INF  ', printf('%- 6F', 1.0/0.0))
!     call assert_equal('INF   ', printf('%-6G', 1.0/0.0))
!     call assert_equal('-INF  ', printf('%-6G', -1.0/0.0))
!     call assert_equal('INF   ', printf('%-6E', 1.0/0.0))
!     call assert_equal('-INF  ', printf('%-6E', -1.0/0.0))
!     call assert_equal('inf', printf('%s', 1.0/0.0))
!     call assert_equal('-inf', printf('%s', -1.0/0.0))
! 
!     " Test special case where max precision is truncated at 340.
!     call 
assert_equal('1.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
 printf('%.330f', 1.0))
!     call 
assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
 printf('%.340f', 1.0))
!     call 
assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
 printf('%.350f', 1.0))
! 
!     " Float nan (not a number) has no sign.
!     call assert_equal('nan', printf('%f', sqrt(-1.0)))
!     call assert_equal('nan', printf('%f', 0.0/0.0))
!     call assert_equal('nan', printf('%f', -0.0/0.0))
!     call assert_equal('nan', printf('%g', 0.0/0.0))
!     call assert_equal('nan', printf('%e', 0.0/0.0))
!     call assert_equal('NAN', printf('%F', 0.0/0.0))
!     call assert_equal('NAN', printf('%G', 0.0/0.0))
!     call assert_equal('NAN', printf('%E', 0.0/0.0))
!     call assert_equal('NAN', printf('%F', -0.0/0.0))
!     call assert_equal('NAN', printf('%G', -0.0/0.0))
!     call assert_equal('NAN', printf('%E', -0.0/0.0))
!     call assert_equal('   nan', printf('%6f', 0.0/0.0))
!     call assert_equal('   nan', printf('%06f', 0.0/0.0))
!     call assert_equal('nan   ', printf('%-6f', 0.0/0.0))
!     call assert_equal('nan   ', printf('%- 6f', 0.0/0.0))
!     call assert_equal('nan', printf('%s', 0.0/0.0))
!     call assert_equal('nan', printf('%s', -0.0/0.0))
!     call assert_equal('nan', printf('%S', 0.0/0.0))
!     call assert_equal('nan', printf('%S', -0.0/0.0))
  
!     call assert_fails('echo printf("%f", "a")', 'E807:')
    endif
  endfunc
  
! function Test_printf_errors()
!   call assert_fails('echo printf("%d", {})', 'E728:')
!   call assert_fails('echo printf("%d", [])', 'E745:')
!   call assert_fails('echo printf("%d", 1, 2)', 'E767:')
!   call assert_fails('echo printf("%*d", 1)', 'E766:')
!   call assert_fails('echo printf("%s")', 'E766:')
    if has('float')
!     call assert_fails('echo printf("%d", 1.2)', 'E805:')
!     call assert_fails('echo printf("%f")')
    endif
  endfunc
  
! function Test_max_min_errors()
!   call assert_fails('call max(v:true)', 'E712:')
!   call assert_fails('call max(v:true)', 'max()')
!   call assert_fails('call min(v:true)', 'E712:')
!   call assert_fails('call min(v:true)', 'min()')
! endfunc
! 
! function Test_printf_64bit()
!   call assert_equal("123456789012345", printf('%d', 123456789012345))
! endfunc
! 
! function Test_printf_spec_s()
!   " number
!   call assert_equal("1234567890", printf('%s', 1234567890))
! 
!   " string
!   call assert_equal("abcdefgi", printf('%s', "abcdefgi"))
! 
!   " float
!   if has('float')
!     call assert_equal("1.23", printf('%s', 1.23))
!   endif
! 
!   " list
!   let value = [1, 'two', ['three', 4]]
!   call assert_equal(string(value), printf('%s', value))
! 
!   " dict
!   let value = {'key1' : 'value1', 'key2' : ['list', 'value'], 'key3' : 
{'dict' : 'value'}}
!   call assert_equal(string(value), printf('%s', value))
! 
!   " funcref
!   call assert_equal('printf', printf('%s', 'printf'->function()))
! 
!   " partial
!   call assert_equal(string(function('printf', ['%s'])), printf('%s', 
function('printf', ['%s'])))
! endfunc
! 
! function Test_printf_spec_b()
!   call assert_equal("0", printf('%b', 0))
!   call assert_equal("00001100", printf('%08b', 12))
!   call assert_equal("11111111", printf('%08b', 0xff))
!   call assert_equal("   1111011", printf('%10b', 123))
!   call assert_equal("0001111011", printf('%010b', 123))
!   call assert_equal(" 0b1111011", printf('%#10b', 123))
!   call assert_equal("0B01111011", printf('%#010B', 123))
!   call assert_equal("1001001100101100000001011010010", printf('%b', 
1234567890))
!   call assert_equal("11100000100100010000110000011011101111101111001", 
printf('%b', 123456789012345))
!   call 
assert_equal("1111111111111111111111111111111111111111111111111111111111111111",
 printf('%b', -1))
  endfunc
  
  func Test_function_with_funcref()
!   let s:f = function('type')
!   let s:fref = function(s:f)
!   call assert_equal(v:t_string, s:fref('x'))
!   call assert_fails("call function('s:f')", 'E700:')
! 
!   call assert_fails("call function('foo()')", 'E475:')
!   call assert_fails("call function('foo()')", 'foo()')
!   call assert_fails("function('')", 'E129:')
! 
!   let Len = {s -> strlen(s)}
!   call assert_equal(6, Len('foobar'))
!   let name = string(Len)
!   " can evaluate "function('<lambda>99')"
!   call execute('let Ref = ' .. name)
!   call assert_equal(4, Ref('text'))
  endfunc
  
  func Test_funcref()
--- 44,622 ----
  endfunc
  
  func Test_op_trinary()
!   let lines =<< trim END
!       call assert_equal('yes', 1 ? 'yes' : 'no')
!       call assert_equal('no', 0 ? 'yes' : 'no')
! 
!       call assert_fails('echo [1] ? "yes" : "no"', 'E745:')
!       call assert_fails('echo {} ? "yes" : "no"', 'E728:')
!   END
!   call CheckLegacyAndVim9Success(lines)
! 
    call assert_equal('no', 'x' ? 'yes' : 'no')
+   call CheckDefAndScriptFailure(["'x' ? 'yes' : 'no'"], 'E1135:')
    call assert_equal('yes', '1x' ? 'yes' : 'no')
!   call CheckDefAndScriptFailure(["'1x' ? 'yes' : 'no'"], 'E1135:')
  endfunc
  
  func Test_op_falsy()
!   let lines =<< trim END
!       call assert_equal(v:true, v:true ?? 456)
!       call assert_equal(123, 123 ?? 456)
!       call assert_equal('yes', 'yes' ?? 456)
!       call assert_equal(0z00, 0z00 ?? 456)
!       call assert_equal([1], [1] ?? 456)
!       call assert_equal({'one': 1}, {'one': 1} ?? 456)
!       if has('float')
!         call assert_equal(0.1, 0.1 ?? 456)
!       endif
! 
!       call assert_equal(456, v:false ?? 456)
!       call assert_equal(456, 0 ?? 456)
!       call assert_equal(456, '' ?? 456)
!       call assert_equal(456, 0z ?? 456)
!       call assert_equal(456, [] ?? 456)
!       call assert_equal(456, {} ?? 456)
!       if has('float')
!         call assert_equal(456, 0.0 ?? 456)
!       endif
!   END
!   call CheckLegacyAndVim9Success(lines)
  endfunc
  
  func Test_dict()
!   let lines =<< trim END
!       VAR d = {'': 'empty', 'a': 'a', 0: 'zero'}
!       call assert_equal('empty', d[''])
!       call assert_equal('a', d['a'])
!       call assert_equal('zero', d[0])
!       call assert_true(has_key(d, ''))
!       call assert_true(has_key(d, 'a'))
! 
!       LET d[''] = 'none'
!       LET d['a'] = 'aaa'
!       call assert_equal('none', d[''])
!       call assert_equal('aaa', d['a'])
! 
!       LET d[ 'b' ] = 'bbb'
!       call assert_equal('bbb', d[ 'b' ])
!   END
!   call CheckLegacyAndVim9Success(lines)
  
!   call CheckLegacyAndVim9Failure(["VAR i = has_key([], 'a')"], ['E715:', 
'E1013:', 'E1206:'])
  endfunc
  
  func Test_strgetchar()
!   let lines =<< trim END
!       call assert_equal(char2nr('a'), strgetchar('axb', 0))
!       call assert_equal(char2nr('x'), 'axb'->strgetchar(1))
!       call assert_equal(char2nr('b'), strgetchar('axb', 2))
! 
!       call assert_equal(-1, strgetchar('axb', -1))
!       call assert_equal(-1, strgetchar('axb', 3))
!       call assert_equal(-1, strgetchar('', 0))
!   END
!   call CheckLegacyAndVim9Success(lines)
! 
!   call CheckLegacyAndVim9Failure(["VAR c = strgetchar([], 1)"], ['E730:', 
'E1013:', 'E1174:'])
!   call CheckLegacyAndVim9Failure(["VAR c = strgetchar('axb', [])"], ['E745:', 
'E1013:', 'E1210:'])
  endfunc
  
  func Test_strcharpart()
!   let lines =<< trim END
!       call assert_equal('a', strcharpart('axb', 0, 1))
!       call assert_equal('x', 'axb'->strcharpart(1, 1))
!       call assert_equal('b', strcharpart('axb', 2, 1))
!       call assert_equal('xb', strcharpart('axb', 1))
! 
!       call assert_equal('', strcharpart('axb', 1, 0))
!       call assert_equal('', strcharpart('axb', 1, -1))
!       call assert_equal('', strcharpart('axb', -1, 1))
!       call assert_equal('', strcharpart('axb', -2, 2))
! 
!       call assert_equal('a', strcharpart('axb', -1, 2))
! 
!       call assert_equal('edit', "editor"[-10 : 3])
!   END
!   call CheckLegacyAndVim9Success(lines)
  endfunc
  
  func Test_getreg_empty_list()
!   let lines =<< trim END
!       call assert_equal('', getreg('x'))
!       call assert_equal([], getreg('x', 1, 1))
!       VAR x = getreg('x', 1, 1)
!       VAR y = x
!       call add(x, 'foo')
!       call assert_equal(['foo'], y)
!   END
!   call CheckLegacyAndVim9Success(lines)
! 
!   call CheckLegacyAndVim9Failure(['call getreg([])'], ['E730:', 'E1013:', 
'E1174:'])
  endfunc
  
  func Test_loop_over_null_list()
!   let lines =<< trim END
!       VAR null_list = test_null_list()
!       for i in null_list
!         call assert_report('should not get here')
!       endfor
!   END
!   call CheckLegacyAndVim9Success(lines)
  endfunc
  
  func Test_setreg_null_list()
!   let lines =<< trim END
!       call setreg('x', test_null_list())
!   END
!   call CheckLegacyAndVim9Success(lines)
  endfunc
  
  func Test_special_char()
    " The failure is only visible using valgrind.
!   call CheckLegacyAndVim9Failure(['echo "\<C-">'], ['E15:', 'E1004:', 
'E1004:'])
  endfunc
  
  func Test_method_with_prefix()
!   let lines =<< trim END
!       call assert_equal(TRUE, !range(5)->empty())
!       call assert_equal(FALSE, !-3)
!   END
!   call CheckLegacyAndVim9Success(lines)
! 
    call assert_equal([0, 1, 2], --3->range())
!   call CheckDefAndScriptFailure(['eval --3->range()'], 'E15')
! 
    call assert_equal(1, !+-+0)
+   call CheckDefAndScriptFailure(['eval !+-+0'], 'E15')
  endfunc
  
  func Test_option_value()
!   let lines =<< trim END
!       #" boolean
!       set bri
!       call assert_equal(TRUE, &bri)
!       set nobri
!       call assert_equal(FALSE, &bri)
! 
!       #" number
!       set ts=1
!       call assert_equal(1, &ts)
!       set ts=8
!       call assert_equal(8, &ts)
! 
!       #" string
!       exe "set cedit=\<Esc>"
!       call assert_equal("\<Esc>", &cedit)
!       set cpo=
!       call assert_equal("", &cpo)
!       set cpo=abcdefgi
!       call assert_equal("abcdefgi", &cpo)
!       set cpo&vim
!   END
!   call CheckLegacyAndVim9Success(lines)
! endfunc
! 
! func Test_printf_misc()
!   let lines =<< trim END
!       call assert_equal('123', printf('123'))
! 
!       call assert_equal('123', printf('%d', 123))
!       call assert_equal('123', printf('%i', 123))
!       call assert_equal('123', printf('%D', 123))
!       call assert_equal('123', printf('%U', 123))
!       call assert_equal('173', printf('%o', 123))
!       call assert_equal('173', printf('%O', 123))
!       call assert_equal('7b', printf('%x', 123))
!       call assert_equal('7B', printf('%X', 123))
! 
!       call assert_equal('123', printf('%hd', 123))
!       call assert_equal('-123', printf('%hd', -123))
!       call assert_equal('-1', printf('%hd', 0xFFFF))
!       call assert_equal('-1', printf('%hd', 0x1FFFFF))
! 
!       call assert_equal('123', printf('%hu', 123))
!       call assert_equal('65413', printf('%hu', -123))
!       call assert_equal('65535', printf('%hu', 0xFFFF))
!       call assert_equal('65535', printf('%hu', 0x1FFFFF))
! 
!       call assert_equal('123', printf('%ld', 123))
!       call assert_equal('-123', printf('%ld', -123))
!       call assert_equal('65535', printf('%ld', 0xFFFF))
!       call assert_equal('131071', printf('%ld', 0x1FFFF))
! 
!       if has('ebcdic')
!         call assert_equal('#', printf('%c', 123))
!       else
!         call assert_equal('{', printf('%c', 123))
!       endif
!       call assert_equal('abc', printf('%s', 'abc'))
!       call assert_equal('abc', printf('%S', 'abc'))
! 
!       call assert_equal('+123', printf('%+d', 123))
!       call assert_equal('-123', printf('%+d', -123))
!       call assert_equal('+123', printf('%+ d', 123))
!       call assert_equal(' 123', printf('% d', 123))
!       call assert_equal(' 123', printf('%  d', 123))
!       call assert_equal('-123', printf('% d', -123))
! 
!       call assert_equal('123', printf('%2d', 123))
!       call assert_equal('   123', printf('%6d', 123))
!       call assert_equal('000123', printf('%06d', 123))
!       call assert_equal('+00123', printf('%+06d', 123))
!       call assert_equal(' 00123', printf('% 06d', 123))
!       call assert_equal('  +123', printf('%+6d', 123))
!       call assert_equal('   123', printf('% 6d', 123))
!       call assert_equal('  -123', printf('% 6d', -123))
! 
!       #" Test left adjusted.
!       call assert_equal('123   ', printf('%-6d', 123))
!       call assert_equal('+123  ', printf('%-+6d', 123))
!       call assert_equal(' 123  ', printf('%- 6d', 123))
!       call assert_equal('-123  ', printf('%- 6d', -123))
! 
!       call assert_equal('  00123', printf('%7.5d', 123))
!       call assert_equal(' -00123', printf('%7.5d', -123))
!       call assert_equal(' +00123', printf('%+7.5d', 123))
! 
!       #" Precision field should not be used when combined with %0
!       call assert_equal('  00123', printf('%07.5d', 123))
!       call assert_equal(' -00123', printf('%07.5d', -123))
! 
!       call assert_equal('  123', printf('%*d', 5, 123))
!       call assert_equal('123  ', printf('%*d', -5, 123))
!       call assert_equal('00123', printf('%.*d', 5, 123))
!       call assert_equal('  123', printf('% *d', 5, 123))
!       call assert_equal(' +123', printf('%+ *d', 5, 123))
! 
!       call assert_equal('foobar', printf('%.*s',  9, 'foobar'))
!       call assert_equal('foo',    printf('%.*s',  3, 'foobar'))
!       call assert_equal('',       printf('%.*s',  0, 'foobar'))
!       call assert_equal('foobar', printf('%.*s', -1, 'foobar'))
! 
!       #" Simple quote (thousand grouping char) is ignored.
!       call assert_equal('+00123456', printf("%+'09d", 123456))
! 
!       #" Unrecognized format specifier kept as-is.
!       call assert_equal('_123', printf("%_%d", 123))
! 
!       #" Test alternate forms.
!       call assert_equal('0x7b', printf('%#x', 123))
!       call assert_equal('0X7B', printf('%#X', 123))
!       call assert_equal('0173', printf('%#o', 123))
!       call assert_equal('0173', printf('%#O', 123))
!       call assert_equal('abc', printf('%#s', 'abc'))
!       call assert_equal('abc', printf('%#S', 'abc'))
!       call assert_equal('  0173', printf('%#6o', 123))
!       call assert_equal(' 00173', printf('%#6.5o', 123))
!       call assert_equal('  0173', printf('%#6.2o', 123))
!       call assert_equal('  0173', printf('%#6.2o', 123))
!       call assert_equal('0173', printf('%#2.2o', 123))
! 
!       call assert_equal(' 00123', printf('%6.5d', 123))
!       call assert_equal(' 0007b', printf('%6.5x', 123))
! 
!       call assert_equal('123', printf('%.2d', 123))
!       call assert_equal('0123', printf('%.4d', 123))
!       call assert_equal('0000000123', printf('%.10d', 123))
!       call assert_equal('123', printf('%.0d', 123))
! 
!       call assert_equal('abc', printf('%2s', 'abc'))
!       call assert_equal('abc', printf('%2S', 'abc'))
!       call assert_equal('abc', printf('%.4s', 'abc'))
!       call assert_equal('abc', printf('%.4S', 'abc'))
!       call assert_equal('ab', printf('%.2s', 'abc'))
!       call assert_equal('ab', printf('%.2S', 'abc'))
!       call assert_equal('', printf('%.0s', 'abc'))
!       call assert_equal('', printf('%.s', 'abc'))
!       call assert_equal(' abc', printf('%4s', 'abc'))
!       call assert_equal(' abc', printf('%4S', 'abc'))
!       call assert_equal('0abc', printf('%04s', 'abc'))
!       call assert_equal('0abc', printf('%04S', 'abc'))
!       call assert_equal('abc ', printf('%-4s', 'abc'))
!       call assert_equal('abc ', printf('%-4S', 'abc'))
! 
!       call assert_equal('🐍', printf('%.2S', '🐍🐍'))
!       call assert_equal('', printf('%.1S', '🐍🐍'))
! 
!       call assert_equal('[    あいう]', printf('[%10.6S]', 'あいうえお'))
!       call assert_equal('[  あいうえ]', printf('[%10.8S]', 'あいうえお'))
!       call assert_equal('[あいうえお]', printf('[%10.10S]', 'あいうえお'))
!       call assert_equal('[あいうえお]', printf('[%10.12S]', 'あいうえお'))
! 
!       call assert_equal('あいう', printf('%S', 'あいう'))
!       call assert_equal('あいう', printf('%#S', 'あいう'))
! 
!       call assert_equal('あb', printf('%2S', 'あb'))
!       call assert_equal('あb', printf('%.4S', 'あb'))
!       call assert_equal('あ', printf('%.2S', 'あb'))
!       call assert_equal(' あb', printf('%4S', 'あb'))
!       call assert_equal('0あb', printf('%04S', 'あb'))
!       call assert_equal('あb ', printf('%-4S', 'あb'))
!       call assert_equal('あ  ', printf('%-4.2S', 'あb'))
! 
!       call assert_equal('aい', printf('%2S', 'aい'))
!       call assert_equal('aい', printf('%.4S', 'aい'))
!       call assert_equal('a', printf('%.2S', 'aい'))
!       call assert_equal(' aい', printf('%4S', 'aい'))
!       call assert_equal('0aい', printf('%04S', 'aい'))
!       call assert_equal('aい ', printf('%-4S', 'aい'))
!       call assert_equal('a   ', printf('%-4.2S', 'aい'))
! 
!       call assert_equal('[あいう]', printf('[%05S]', 'あいう'))
!       call assert_equal('[あいう]', printf('[%06S]', 'あいう'))
!       call assert_equal('[0あいう]', printf('[%07S]', 'あいう'))
! 
!       call assert_equal('[あiう]', printf('[%05S]', 'あiう'))
!       call assert_equal('[0あiう]', printf('[%06S]', 'あiう'))
!       call assert_equal('[00あiう]', printf('[%07S]', 'あiう'))
! 
!       call assert_equal('[0あい]', printf('[%05.4S]', 'あいう'))
!       call assert_equal('[00あい]', printf('[%06.4S]', 'あいう'))
!       call assert_equal('[000あい]', printf('[%07.4S]', 'あいう'))
! 
!       call assert_equal('[00あi]', printf('[%05.4S]', 'あiう'))
!       call assert_equal('[000あi]', printf('[%06.4S]', 'あiう'))
!       call assert_equal('[0000あi]', printf('[%07.4S]', 'あiう'))
! 
!       call assert_equal('[0あい]', printf('[%05.5S]', 'あいう'))
!       call assert_equal('[00あい]', printf('[%06.5S]', 'あいう'))
!       call assert_equal('[000あい]', printf('[%07.5S]', 'あいう'))
! 
!       call assert_equal('[あiう]', printf('[%05.5S]', 'あiう'))
!       call assert_equal('[0あiう]', printf('[%06.5S]', 'あiう'))
!       call assert_equal('[00あiう]', printf('[%07.5S]', 'あiう'))
! 
!       call assert_equal('[0000000000]', printf('[%010.0S]', 'あいう'))
!       call assert_equal('[0000000000]', printf('[%010.1S]', 'あいう'))
!       call assert_equal('[00000000あ]', printf('[%010.2S]', 'あいう'))
!       call assert_equal('[00000000あ]', printf('[%010.3S]', 'あいう'))
!       call assert_equal('[000000あい]', printf('[%010.4S]', 'あいう'))
!       call assert_equal('[000000あい]', printf('[%010.5S]', 'あいう'))
!       call assert_equal('[0000あいう]', printf('[%010.6S]', 'あいう'))
!       call assert_equal('[0000あいう]', printf('[%010.7S]', 'あいう'))
! 
!       call assert_equal('[0000000000]', printf('[%010.1S]', 'あiう'))
!       call assert_equal('[00000000あ]', printf('[%010.2S]', 'あiう'))
!       call assert_equal('[0000000あi]', printf('[%010.3S]', 'あiう'))
!       call assert_equal('[0000000あi]', printf('[%010.4S]', 'あiう'))
!       call assert_equal('[00000あiう]', printf('[%010.5S]', 'あiう'))
!       call assert_equal('[00000あiう]', printf('[%010.6S]', 'あiう'))
!       call assert_equal('[00000あiう]', printf('[%010.7S]', 'あiう'))
! 
!       call assert_equal('1%', printf('%d%%', 1))
!   END
!   call CheckLegacyAndVim9Success(lines)
  
!   call CheckLegacyAndVim9Failure(["call printf('123', 3)"], "E767:")
  endfunc
  
! func Test_printf_float()
    if has('float')
!     let lines =<< trim END
!         call assert_equal('1.000000', printf('%f', 1))
!         call assert_equal('1.230000', printf('%f', 1.23))
!         call assert_equal('1.230000', printf('%F', 1.23))
!         call assert_equal('9999999.9', printf('%g', 9999999.9))
!         call assert_equal('9999999.9', printf('%G', 9999999.9))
!         call assert_equal('1.00000001e7', printf('%.8g', 10000000.1))
!         call assert_equal('1.00000001E7', printf('%.8G', 10000000.1))
!         call assert_equal('1.230000e+00', printf('%e', 1.23))
!         call assert_equal('1.230000E+00', printf('%E', 1.23))
!         call assert_equal('1.200000e-02', printf('%e', 0.012))
!         call assert_equal('-1.200000e-02', printf('%e', -0.012))
!         call assert_equal('0.33', printf('%.2f', 1.0 / 3.0))
!         call assert_equal('  0.33', printf('%6.2f', 1.0 / 3.0))
!         call assert_equal(' -0.33', printf('%6.2f', -1.0 / 3.0))
!         call assert_equal('000.33', printf('%06.2f', 1.0 / 3.0))
!         call assert_equal('-00.33', printf('%06.2f', -1.0 / 3.0))
!         call assert_equal('-00.33', printf('%+06.2f', -1.0 / 3.0))
!         call assert_equal('+00.33', printf('%+06.2f', 1.0 / 3.0))
!         call assert_equal(' 00.33', printf('% 06.2f', 1.0 / 3.0))
!         call assert_equal('000.33', printf('%06.2g', 1.0 / 3.0))
!         call assert_equal('-00.33', printf('%06.2g', -1.0 / 3.0))
!         call assert_equal('0.33', printf('%3.2f', 1.0 / 3.0))
!         call assert_equal('003.33e-01', printf('%010.2e', 1.0 / 3.0))
!         call assert_equal(' 03.33e-01', printf('% 010.2e', 1.0 / 3.0))
!         call assert_equal('+03.33e-01', printf('%+010.2e', 1.0 / 3.0))
!         call assert_equal('-03.33e-01', printf('%010.2e', -1.0 / 3.0))
! 
!         #" When precision is 0, the dot should be omitted.
!         call assert_equal('  2', printf('%3.f', 7.0 / 3.0))
!         call assert_equal('  2', printf('%3.g', 7.0 / 3.0))
!         call assert_equal('  2e+00', printf('%7.e', 7.0 / 3.0))
! 
!         #" Float zero can be signed.
!         call assert_equal('+0.000000', printf('%+f', 0.0))
!         call assert_equal('0.000000', printf('%f', 1.0 / (1.0 / 0.0)))
!         call assert_equal('-0.000000', printf('%f', 1.0 / (-1.0 / 0.0)))
!         call assert_equal('0.0', printf('%s', 1.0 / (1.0 / 0.0)))
!         call assert_equal('-0.0', printf('%s', 1.0 / (-1.0 / 0.0)))
!         call assert_equal('0.0', printf('%S', 1.0 / (1.0 / 0.0)))
!         call assert_equal('-0.0', printf('%S', 1.0 / (-1.0 / 0.0)))
! 
!         #" Float infinity can be signed.
!         call assert_equal('inf', printf('%f', 1.0 / 0.0))
!         call assert_equal('-inf', printf('%f', -1.0 / 0.0))
!         call assert_equal('inf', printf('%g', 1.0 / 0.0))
!         call assert_equal('-inf', printf('%g', -1.0 / 0.0))
!         call assert_equal('inf', printf('%e', 1.0 / 0.0))
!         call assert_equal('-inf', printf('%e', -1.0 / 0.0))
!         call assert_equal('INF', printf('%F', 1.0 / 0.0))
!         call assert_equal('-INF', printf('%F', -1.0 / 0.0))
!         call assert_equal('INF', printf('%E', 1.0 / 0.0))
!         call assert_equal('-INF', printf('%E', -1.0 / 0.0))
!         call assert_equal('INF', printf('%E', 1.0 / 0.0))
!         call assert_equal('-INF', printf('%G', -1.0 / 0.0))
!         call assert_equal('+inf', printf('%+f', 1.0 / 0.0))
!         call assert_equal('-inf', printf('%+f', -1.0 / 0.0))
!         call assert_equal(' inf', printf('% f',  1.0 / 0.0))
!         call assert_equal('   inf', printf('%6f', 1.0 / 0.0))
!         call assert_equal('  -inf', printf('%6f', -1.0 / 0.0))
!         call assert_equal('   inf', printf('%6g', 1.0 / 0.0))
!         call assert_equal('  -inf', printf('%6g', -1.0 / 0.0))
!         call assert_equal('  +inf', printf('%+6f', 1.0 / 0.0))
!         call assert_equal('   inf', printf('% 6f', 1.0 / 0.0))
!         call assert_equal('  +inf', printf('%+06f', 1.0 / 0.0))
!         call assert_equal('inf   ', printf('%-6f', 1.0 / 0.0))
!         call assert_equal('-inf  ', printf('%-6f', -1.0 / 0.0))
!         call assert_equal('+inf  ', printf('%-+6f', 1.0 / 0.0))
!         call assert_equal(' inf  ', printf('%- 6f', 1.0 / 0.0))
!         call assert_equal('-INF  ', printf('%-6F', -1.0 / 0.0))
!         call assert_equal('+INF  ', printf('%-+6F', 1.0 / 0.0))
!         call assert_equal(' INF  ', printf('%- 6F', 1.0 / 0.0))
!         call assert_equal('INF   ', printf('%-6G', 1.0 / 0.0))
!         call assert_equal('-INF  ', printf('%-6G', -1.0 / 0.0))
!         call assert_equal('INF   ', printf('%-6E', 1.0 / 0.0))
!         call assert_equal('-INF  ', printf('%-6E', -1.0 / 0.0))
!         call assert_equal('inf', printf('%s', 1.0 / 0.0))
!         call assert_equal('-inf', printf('%s', -1.0 / 0.0))
! 
!         #" Test special case where max precision is truncated at 340.
!         call 
assert_equal('1.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
 printf('%.330f', 1.0))
!         call 
assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
 printf('%.340f', 1.0))
!         call 
assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
 printf('%.350f', 1.0))
! 
!         #" Float nan (not a number) has no sign.
!         call assert_equal('nan', printf('%f', sqrt(-1.0)))
!         call assert_equal('nan', printf('%f', 0.0 / 0.0))
!         call assert_equal('nan', printf('%f', -0.0 / 0.0))
!         call assert_equal('nan', printf('%g', 0.0 / 0.0))
!         call assert_equal('nan', printf('%e', 0.0 / 0.0))
!         call assert_equal('NAN', printf('%F', 0.0 / 0.0))
!         call assert_equal('NAN', printf('%G', 0.0 / 0.0))
!         call assert_equal('NAN', printf('%E', 0.0 / 0.0))
!         call assert_equal('NAN', printf('%F', -0.0 / 0.0))
!         call assert_equal('NAN', printf('%G', -0.0 / 0.0))
!         call assert_equal('NAN', printf('%E', -0.0 / 0.0))
!         call assert_equal('   nan', printf('%6f', 0.0 / 0.0))
!         call assert_equal('   nan', printf('%06f', 0.0 / 0.0))
!         call assert_equal('nan   ', printf('%-6f', 0.0 / 0.0))
!         call assert_equal('nan   ', printf('%- 6f', 0.0 / 0.0))
!         call assert_equal('nan', printf('%s', 0.0 / 0.0))
!         call assert_equal('nan', printf('%s', -0.0 / 0.0))
!         call assert_equal('nan', printf('%S', 0.0 / 0.0))
!         call assert_equal('nan', printf('%S', -0.0 / 0.0))
!     END
!     call CheckLegacyAndVim9Success(lines)
  
!     call CheckLegacyAndVim9Failure(['echo printf("%f", "a")'], 'E807:')
    endif
  endfunc
  
! func Test_printf_errors()
!   call CheckLegacyAndVim9Failure(['echo printf("%d", {})'], 'E728:')
!   call CheckLegacyAndVim9Failure(['echo printf("%d", [])'], 'E745:')
!   call CheckLegacyAndVim9Failure(['echo printf("%d", 1, 2)'], 'E767:')
!   call CheckLegacyAndVim9Failure(['echo printf("%*d", 1)'], 'E766:')
!   call CheckLegacyAndVim9Failure(['echo printf("%s")'], 'E766:')
    if has('float')
!     call CheckLegacyAndVim9Failure(['echo printf("%d", 1.2)'], 'E805:')
!     call CheckLegacyAndVim9Failure(['echo printf("%f")'], 'E766:')
    endif
  endfunc
  
! func Test_printf_64bit()
!   let lines =<< trim END
!       call assert_equal("123456789012345", printf('%d', 123456789012345))
!   END
!   call CheckLegacyAndVim9Success(lines)
! endfunc
! 
! func Test_printf_spec_s()
!   let lines =<< trim END
!       #" number
!       call assert_equal("1234567890", printf('%s', 1234567890))
! 
!       #" string
!       call assert_equal("abcdefgi", printf('%s', "abcdefgi"))
! 
!       #" float
!       if has('float')
!         call assert_equal("1.23", printf('%s', 1.23))
!       endif
! 
!       #" list
!       VAR lvalue = [1, 'two', ['three', 4]]
!       call assert_equal(string(lvalue), printf('%s', lvalue))
! 
!       #" dict
!       VAR dvalue = {'key1': 'value1', 'key2': ['list', 'lvalue'], 'key3': 
{'dict': 'lvalue'}}
!       call assert_equal(string(dvalue), printf('%s', dvalue))
! 
!       #" funcref
!       call assert_equal('printf', printf('%s', 'printf'->function()))
! 
!       #" partial
!       call assert_equal(string(function('printf', ['%s'])), printf('%s', 
function('printf', ['%s'])))
!   END
!   call CheckLegacyAndVim9Success(lines)
! endfunc
! 
! func Test_printf_spec_b()
!   let lines =<< trim END
!       call assert_equal("0", printf('%b', 0))
!       call assert_equal("00001100", printf('%08b', 12))
!       call assert_equal("11111111", printf('%08b', 0xff))
!       call assert_equal("   1111011", printf('%10b', 123))
!       call assert_equal("0001111011", printf('%010b', 123))
!       call assert_equal(" 0b1111011", printf('%#10b', 123))
!       call assert_equal("0B01111011", printf('%#010B', 123))
!       call assert_equal("1001001100101100000001011010010", printf('%b', 
1234567890))
!       call assert_equal("11100000100100010000110000011011101111101111001", 
printf('%b', 123456789012345))
!       call 
assert_equal("1111111111111111111111111111111111111111111111111111111111111111",
 printf('%b', -1))
!   END
!   call CheckLegacyAndVim9Success(lines)
! endfunc
! 
! func Test_max_min_errors()
!   call CheckLegacyAndVim9Failure(['call max(v:true)'], ['E712:', 'E1013:', 
'E1227:'])
!   call CheckLegacyAndVim9Failure(['call max(v:true)'], ['max()', 'E1013:', 
'E1227:'])
!   call CheckLegacyAndVim9Failure(['call min(v:true)'], ['E712:', 'E1013:', 
'E1227:'])
!   call CheckLegacyAndVim9Failure(['call min(v:true)'], ['min()', 'E1013:', 
'E1227:'])
  endfunc
  
  func Test_function_with_funcref()
!   let lines =<< trim END
!       VAR s:F = function('type')
!       VAR s:Fref = function(s:F)
!       call assert_equal(v:t_string, s:Fref('x'))
!       call assert_fails("call function('s:F')", 'E700:')
! 
!       call assert_fails("call function('foo()')", 'E475:')
!       call assert_fails("call function('foo()')", 'foo()')
!       call assert_fails("function('')", 'E129:')
! 
!       legacy let s:Len = {s -> strlen(s)}
!       call assert_equal(6, s:Len('foobar'))
!       VAR name = string(s:Len)
!       #" can evaluate "function('<lambda>99')"
!       call execute('VAR Ref = ' .. name)
!       call assert_equal(4, Ref('text'))
!   END
!   call CheckTransLegacySuccess(lines)
!   " cannot create s: variable in :def function
!   call CheckTransVim9Success(lines)
  endfunc
  
  func Test_funcref()
***************
*** 577,609 ****
  endfunc
  
  func Test_setmatches()
!   hi def link 1 Comment
!   hi def link 2 PreProc
!   let set = [{"group": 1, "pattern": 2, "id": 3, "priority": 4}]
!   let exp = [{"group": '1', "pattern": '2', "id": 3, "priority": 4}]
!   if has('conceal')
!     let set[0]['conceal'] = 5
!     let exp[0]['conceal'] = '5'
!   endif
!   eval set->setmatches()
!   call assert_equal(exp, getmatches())
!   call assert_fails('let m = setmatches([], [])', 'E745:')
  endfunc
  
  func Test_empty_concatenate()
!   call assert_equal('b', 'a'[4:0] . 'b')
!   call assert_equal('b', 'b' . 'a'[4:0])
  endfunc
  
  func Test_broken_number()
!   let X = 'bad'
!   call assert_fails('echo 1X', 'E15:')
!   call assert_fails('echo 0b1X', 'E15:')
!   call assert_fails('echo 0b12', 'E15:')
!   call assert_fails('echo 0x1X', 'E15:')
!   call assert_fails('echo 011X', 'E15:')
!   call assert_equal(2, str2nr('2a'))
!   call assert_fails('inoremap <Char-0b1z> b', 'E474:')
  endfunc
  
  func Test_eval_after_if()
--- 640,680 ----
  endfunc
  
  func Test_setmatches()
!   let lines =<< trim END
!       hi def link 1 Comment
!       hi def link 2 PreProc
!       VAR set = [{"group": 1, "pattern": 2, "id": 3, "priority": 4}]
!       VAR exp = [{"group": '1', "pattern": '2', "id": 3, "priority": 4}]
!       if has('conceal')
!         LET set[0]['conceal'] = 5
!         LET exp[0]['conceal'] = '5'
!       endif
!       eval set->setmatches()
!       call assert_equal(exp, getmatches())
!   END
!   call CheckLegacyAndVim9Success(lines)
! 
!   call CheckLegacyAndVim9Failure(['VAR m = setmatches([], [])'], ['E745:', 
'E1013:', 'E1210:'])
  endfunc
  
  func Test_empty_concatenate()
!   let lines =<< trim END
!       call assert_equal('b', 'a'[4 : 0] .. 'b')
!       call assert_equal('b', 'b' .. 'a'[4 : 0])
!   END
!   call CheckLegacyAndVim9Success(lines)
  endfunc
  
  func Test_broken_number()
!   call CheckLegacyAndVim9Failure(['VAR X = "bad"', 'echo 1X'], 'E15:')
!   call CheckLegacyAndVim9Failure(['VAR X = "bad"', 'echo 0b1X'], 'E15:')
!   call CheckLegacyAndVim9Failure(['echo 0b12'], 'E15:')
!   call CheckLegacyAndVim9Failure(['VAR X = "bad"', 'echo 0x1X'], 'E15:')
!   call CheckLegacyAndVim9Failure(['VAR X = "bad"', 'echo 011X'], 'E15:')
! 
!   call CheckLegacyAndVim9Success(['call assert_equal(2, str2nr("2a"))'])
! 
!   call CheckLegacyAndVim9Failure(['inoremap <Char-0b1z> b'], 'E474:')
  endfunc
  
  func Test_eval_after_if()
***************
*** 696,731 ****
  
  " Test for errors in expression evaluation
  func Test_expr_eval_error()
!   call assert_fails("let i = 'abc' . []", 'E730:')
!   call assert_fails("let l = [] + 10", 'E745:')
!   call assert_fails("let v = 10 + []", 'E745:')
!   call assert_fails("let v = 10 / []", 'E745:')
!   call assert_fails("let v = -{}", 'E728:')
  endfunc
  
  func Test_white_in_function_call()
!   let text = substitute ( 'some text' , 't' , 'T' , 'g' )
!   call assert_equal('some TexT', text)
  endfunc
  
  " Test for float value comparison
  func Test_float_compare()
    CheckFeature float
!   call assert_true(1.2 == 1.2)
!   call assert_true(1.0 != 1.2)
!   call assert_true(1.2 > 1.0)
!   call assert_true(1.2 >= 1.2)
!   call assert_true(1.0 < 1.2)
!   call assert_true(1.2 <= 1.2)
!   call assert_true(+0.0 == -0.0)
!   " two NaNs (not a number) are not equal
!   call assert_true(sqrt(-4.01) != (0.0 / 0.0))
!   " two inf (infinity) are equal
!   call assert_true((1.0 / 0) == (2.0 / 0))
!   " two -inf (infinity) are equal
!   call assert_true(-(1.0 / 0) == -(2.0 / 0))
!   " +infinity != -infinity
!   call assert_true((1.0 / 0) != -(2.0 / 0))
  endfunc
  
  " vim: shiftwidth=2 sts=2 expandtab
--- 767,815 ----
  
  " Test for errors in expression evaluation
  func Test_expr_eval_error()
!   call CheckLegacyAndVim9Failure(["VAR i = 'abc' .. []"], ['E730:', 'E1105:', 
'E730:'])
!   call CheckLegacyAndVim9Failure(["VAR l = [] + 10"], ['E745:', 'E1051:', 
'E745'])
!   call CheckLegacyAndVim9Failure(["VAR v = 10 + []"], ['E745:', 'E1051:', 
'E745:'])
!   call CheckLegacyAndVim9Failure(["VAR v = 10 / []"], ['E745:', 'E1036:', 
'E745:'])
!   call CheckLegacyAndVim9Failure(["VAR v = -{}"], ['E728:', 'E1012:', 
'E728:'])
  endfunc
  
  func Test_white_in_function_call()
!   let lines =<< trim END
!       VAR text = substitute ( 'some text' , 't' , 'T' , 'g' )
!       call assert_equal('some TexT', text)
!   END
!   call CheckTransLegacySuccess(lines)
! 
!   let lines =<< trim END
!       var text = substitute ( 'some text' , 't' , 'T' , 'g' )
!       call assert_equal('some TexT', text)
!   END
!   call CheckDefAndScriptFailure(lines, ['E1001:', 'E121:'])
  endfunc
  
  " Test for float value comparison
  func Test_float_compare()
    CheckFeature float
! 
!   let lines =<< trim END
!       call assert_true(1.2 == 1.2)
!       call assert_true(1.0 != 1.2)
!       call assert_true(1.2 > 1.0)
!       call assert_true(1.2 >= 1.2)
!       call assert_true(1.0 < 1.2)
!       call assert_true(1.2 <= 1.2)
!       call assert_true(+0.0 == -0.0)
!       #" two NaNs (not a number) are not equal
!       call assert_true(sqrt(-4.01) != (0.0 / 0.0))
!       #" two inf (infinity) are equal
!       call assert_true((1.0 / 0) == (2.0 / 0))
!       #" two -inf (infinity) are equal
!       call assert_true(-(1.0 / 0) == -(2.0 / 0))
!       #" +infinity != -infinity
!       call assert_true((1.0 / 0) != -(2.0 / 0))
!   END
!   call CheckLegacyAndVim9Success(lines)
  endfunc
  
  " vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.3855/src/testdir/vim9.vim        2021-12-19 18:33:17.317954818 
+0000
--- src/testdir/vim9.vim        2021-12-19 20:21:18.291245750 +0000
***************
*** 185,216 ****
                                 ->substitute('\<LSTART\>', '{', 'g')
                                 ->substitute('\<LMIDDLE\>', '->', 'g')
                                 ->substitute('\<LEND\>', '}', 'g')
                                 ->substitute('#"', ' "', 'g'))
    CheckLegacySuccess(legacylines)
  enddef
  
  " Execute "lines" in a :def function, translated as in
  " CheckLegacyAndVim9Success()
  def CheckTransDefSuccess(lines: list<string>)
!   var vim9lines = lines->mapnew((_, v) =>
!                               v->substitute('\<VAR\>', 'var', 'g')
!                                ->substitute('\<LET ', '', 'g')
!                                ->substitute('\<LSTART\>', '(', 'g')
!                                ->substitute('\<LMIDDLE\>', ') =>', 'g')
!                                ->substitute(' *\<LEND\> *', '', 'g'))
!   CheckDefSuccess(vim9lines)
  enddef
  
  " Execute "lines" in a Vim9 script, translated as in
  " CheckLegacyAndVim9Success()
  def CheckTransVim9Success(lines: list<string>)
!   var vim9lines = lines->mapnew((_, v) =>
!                               v->substitute('\<VAR\>', 'var', 'g')
!                                ->substitute('\<LET ', '', 'g')
!                                ->substitute('\<LSTART\>', '(', 'g')
!                                ->substitute('\<LMIDDLE\>', ') =>', 'g')
!                                ->substitute(' *\<LEND\> *', '', 'g'))
!   CheckScriptSuccess(['vim9script'] + vim9lines)
  enddef
  
  " Execute "lines" in a legacy function, :def function and Vim9 script.
--- 185,217 ----
                                 ->substitute('\<LSTART\>', '{', 'g')
                                 ->substitute('\<LMIDDLE\>', '->', 'g')
                                 ->substitute('\<LEND\>', '}', 'g')
+                                ->substitute('\<TRUE\>', '1', 'g')
+                                ->substitute('\<FALSE\>', '0', 'g')
                                 ->substitute('#"', ' "', 'g'))
    CheckLegacySuccess(legacylines)
  enddef
  
+ def Vim9Trans(lines: list<string>): list<string>
+   return lines->mapnew((_, v) =>
+           v->substitute('\<VAR\>', 'var', 'g')
+           ->substitute('\<LET ', '', 'g')
+           ->substitute('\<LSTART\>', '(', 'g')
+           ->substitute('\<LMIDDLE\>', ') =>', 'g')
+           ->substitute(' *\<LEND\> *', '', 'g')
+           ->substitute('\<TRUE\>', 'true', 'g')
+           ->substitute('\<FALSE\>', 'false', 'g'))
+ enddef
+ 
  " Execute "lines" in a :def function, translated as in
  " CheckLegacyAndVim9Success()
  def CheckTransDefSuccess(lines: list<string>)
!   CheckDefSuccess(Vim9Trans(lines))
  enddef
  
  " Execute "lines" in a Vim9 script, translated as in
  " CheckLegacyAndVim9Success()
  def CheckTransVim9Success(lines: list<string>)
!   CheckScriptSuccess(['vim9script'] + Vim9Trans(lines))
  enddef
  
  " Execute "lines" in a legacy function, :def function and Vim9 script.
***************
*** 218,223 ****
--- 219,226 ----
  " Use 'LET' for an assignment
  " Use ' #"' for a comment
  " Use LSTART arg LMIDDLE expr LEND for lambda
+ " Use 'TRUE' for 1 in legacy, true in Vim9
+ " Use 'FALSE' for 0 in legacy, false in Vim9
  def CheckLegacyAndVim9Success(lines: list<string>)
    CheckTransLegacySuccess(lines)
    CheckTransDefSuccess(lines)
*** ../vim-8.2.3855/src/version.c       2021-12-19 19:19:27.818424761 +0000
--- src/version.c       2021-12-19 19:44:26.234959667 +0000
***************
*** 751,752 ****
--- 751,754 ----
  {   /* Add new patch number below this line */
+ /**/
+     3856,
  /**/

-- 
hundred-and-one symptoms of being an internet addict:
83. Batteries in the TV remote now last for months.

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///                                                                      \\\
\\\        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

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