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annotate src/testdir/test_tabline.vim @ 26841:48d6f187e9c0 v8.2.3949

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patch 8.2.3949: using freed memory with /%V Commit: https://github.com/vim/vim/commit/4c13e5e6763c6eb36a343a2b8235ea227202e952 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 30 14:49:43 2021 +0000 patch 8.2.3949: using freed memory with /\%V Problem: Using freed memory with /\%V. Solution: Get the line again after getvvcol().
author Bram Moolenaar <Bram@vim.org>
date Thu, 30 Dec 2021 16:00:05 +0100
parents 08940efa6b4e
children fa675efa1e75
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Test for tabline
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2
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3 source shared.vim
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4
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5 func TablineWithCaughtError()
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6 let s:func_in_tabline_called = 1
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7 try
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8 call eval('unknown expression')
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9 catch
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10 endtry
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11 return ''
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12 endfunc
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13
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14 func TablineWithError()
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15 let s:func_in_tabline_called = 1
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16 call eval('unknown expression')
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17 return ''
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18 endfunc
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19
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20 func Test_caught_error_in_tabline()
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21 if has('gui')
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22 set guioptions-=e
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23 endif
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24 let showtabline_save = &showtabline
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25 set showtabline=2
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26 let s:func_in_tabline_called = 0
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27 let tabline = '%{TablineWithCaughtError()}'
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28 let &tabline = tabline
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29 redraw!
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30 call assert_true(s:func_in_tabline_called)
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31 call assert_equal(tabline, &tabline)
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32 set tabline=
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33 let &showtabline = showtabline_save
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34 endfunc
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35
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36 func Test_tabline_will_be_disabled_with_error()
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37 if has('gui')
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38 set guioptions-=e
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39 endif
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40 let showtabline_save = &showtabline
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41 set showtabline=2
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42 let s:func_in_tabline_called = 0
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43 let tabline = '%{TablineWithError()}'
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44 try
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45 let &tabline = tabline
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46 redraw!
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47 catch
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48 endtry
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49 call assert_true(s:func_in_tabline_called)
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50 call assert_equal('', &tabline)
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51 set tabline=
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52 let &showtabline = showtabline_save
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53 endfunc
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54
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55 func Test_redrawtabline()
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56 if has('gui')
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57 set guioptions-=e
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58 endif
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59 let showtabline_save = &showtabline
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60 set showtabline=2
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61 set tabline=%{bufnr('$')}
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62 edit Xtabline1
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63 edit Xtabline2
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64 redraw
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65 call assert_match(bufnr('$') . '', Screenline(1))
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66 au BufAdd * redrawtabline
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67 badd Xtabline3
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68 call assert_match(bufnr('$') . '', Screenline(1))
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69
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70 set tabline=
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71 let &showtabline = showtabline_save
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72 au! Bufadd
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73 endfunc
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74
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75 " Test for the "%T" and "%X" flags in the 'tabline' option
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76 func MyTabLine()
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77 let s = ''
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78 for i in range(tabpagenr('$'))
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79 " set the tab page number (for mouse clicks)
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80 let s .= '%' . (i + 1) . 'T'
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81
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82 " the label is made by MyTabLabel()
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83 let s .= ' %{MyTabLabel(' . (i + 1) . ')} '
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84 endfor
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85
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86 " after the last tab fill with TabLineFill and reset tab page nr
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87 let s .= '%T'
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88
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89 " right-align the label to close the current tab page
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90 if tabpagenr('$') > 1
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91 let s .= '%=%Xclose'
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92 endif
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93
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94 return s
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95 endfunc
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96
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97 func MyTabLabel(n)
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98 let buflist = tabpagebuflist(a:n)
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99 let winnr = tabpagewinnr(a:n)
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100 return bufname(buflist[winnr - 1])
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101 endfunc
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102
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103 func Test_tabline_flags()
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104 if has('gui')
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105 set guioptions-=e
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106 endif
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107 set tabline=%!MyTabLine()
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108 edit Xtabline1
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109 tabnew Xtabline2
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110 redrawtabline
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111 call assert_match('^ Xtabline1 Xtabline2\s\+close$', Screenline(1))
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112 set tabline=
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113 %bw!
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114 endfunc
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115
21417
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116 function EmptyTabname()
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117 return ""
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118 endfunction
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119
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120 function MakeTabLine() abort
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121 let titles = map(range(1, tabpagenr('$')), '"%( %" . v:val . "T%{EmptyTabname()}%T %)"')
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122 let sep = 'あ'
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123 let tabpages = join(titles, sep)
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124 return tabpages .. sep .. '%=%999X X'
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125 endfunction
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126
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127 func Test_tabline_empty_group()
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128 " this was reading invalid memory
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129 set tabline=%!MakeTabLine()
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130 tabnew
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131 redraw!
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132
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133 tabclose
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134 set tabline=
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135 endfunc
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136
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137
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138
21004
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139 " vim: shiftwidth=2 sts=2 expandtab