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annotate src/testdir/test_listener.vim @ 17984:2ea47dee7ddd v8.1.1988

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patch 8.1.1988: :startinsert! does not work the same way as "A" Commit: https://github.com/vim/vim/commit/8d3b51084a5bdcd2ee9e31bc03cba0d16c43d428 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 5 21:29:01 2019 +0200 patch 8.1.1988: :startinsert! does not work the same way as "A" Problem: :startinsert! does not work the same way as "A". Solution: Use the same code to move the cursor. (closes https://github.com/vim/vim/issues/4896)
author Bram Moolenaar <Bram@vim.org>
date Thu, 05 Sep 2019 21:30:03 +0200
parents 2e53305f2239
children d19caa851682
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " tests for listener_add() and listener_remove()
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2
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3 func s:StoreList(s, l)
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4 let s:start = a:s
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5 let s:text = getline(a:s)
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6 let s:list = a:l
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7 endfunc
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8
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9 func s:AnotherStoreList(l)
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10 let s:list2 = a:l
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11 endfunc
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12
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13 func s:EvilStoreList(l)
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14 let s:list3 = a:l
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15 call assert_fails("call add(a:l, 'myitem')", "E742:")
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16 endfunc
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17
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18 func Test_listening()
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19 new
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20 call setline(1, ['one', 'two'])
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21 let s:list = []
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22 let id = listener_add({b, s, e, a, l -> s:StoreList(s, l)})
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23 call setline(1, 'one one')
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24 call listener_flush()
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25 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
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26
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27 " Undo is also a change
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28 set undolevels& " start new undo block
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29 call append(2, 'two two')
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30 undo
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31 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1}], s:list)
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32 redraw
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33 " the two changes are not merged
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34 call assert_equal([{'lnum': 3, 'end': 4, 'col': 1, 'added': -1}], s:list)
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35 1
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36
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37 " Two listeners, both get called. Also check column.
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38 call setline(1, ['one one', 'two'])
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39 call listener_flush()
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40 let id2 = listener_add({b, s, e, a, l -> s:AnotherStoreList(l)})
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41 let s:list = []
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42 let s:list2 = []
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43 exe "normal $asome\<Esc>"
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44 redraw
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45 call assert_equal([{'lnum': 1, 'end': 2, 'col': 8, 'added': 0}], s:list)
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46 call assert_equal([{'lnum': 1, 'end': 2, 'col': 8, 'added': 0}], s:list2)
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47
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48 " removing listener works
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49 call listener_remove(id2)
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50 call setline(1, ['one one', 'two'])
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51 call listener_flush()
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52 let s:list = []
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53 let s:list2 = []
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54 call setline(3, 'three')
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55 redraw
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56 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1}], s:list)
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57 call assert_equal([], s:list2)
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58
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59 " a change above a previous change without a line number change is reported
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60 " together
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61 call setline(1, ['one one', 'two'])
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62 call listener_flush(bufnr())
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63 call append(2, 'two two')
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64 call setline(1, 'something')
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65 call bufnr()->listener_flush()
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66 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1},
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67 \ {'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
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68
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69 " an insert just above a previous change that was the last one does not get
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70 " merged
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71 call setline(1, ['one one', 'two'])
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72 call listener_flush()
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73 let s:list = []
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74 call setline(2, 'something')
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75 call append(1, 'two two')
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76 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': 0}], s:list)
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77 call listener_flush()
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78 call assert_equal([{'lnum': 2, 'end': 2, 'col': 1, 'added': 1}], s:list)
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79
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80 " an insert above a previous change causes a flush
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81 call setline(1, ['one one', 'two'])
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82 call listener_flush()
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83 call setline(2, 'something')
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84 call append(0, 'two two')
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85 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': 0}], s:list)
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86 call assert_equal('something', s:text)
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87 call listener_flush()
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88 call assert_equal([{'lnum': 1, 'end': 1, 'col': 1, 'added': 1}], s:list)
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89 call assert_equal('two two', s:text)
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90
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91 " a delete at a previous change that was the last one does not get merged
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92 call setline(1, ['one one', 'two'])
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93 call listener_flush()
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94 let s:list = []
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95 call setline(2, 'something')
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96 2del
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97 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': 0}], s:list)
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98 call listener_flush()
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99 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': -1}], s:list)
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100
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101 " a delete above a previous change causes a flush
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102 call setline(1, ['one one', 'two'])
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103 call listener_flush()
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104 call setline(2, 'another')
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105 1del
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106 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': 0}], s:list)
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107 call assert_equal(2, s:start)
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108 call assert_equal('another', s:text)
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109 call listener_flush()
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110 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': -1}], s:list)
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111 call assert_equal('another', s:text)
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112
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113 " the "o" command first adds an empty line and then changes it
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114 %del
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115 call setline(1, ['one one', 'two'])
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116 call listener_flush()
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117 let s:list = []
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118 exe "normal Gofour\<Esc>"
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119 redraw
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120 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1},
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121 \ {'lnum': 3, 'end': 4, 'col': 1, 'added': 0}], s:list)
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122
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123 " Remove last listener
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124 let s:list = []
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125 call listener_remove(id)
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126 call setline(1, 'asdfasdf')
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127 redraw
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128 call assert_equal([], s:list)
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129
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130 " Trying to change the list fails
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131 let id = listener_add({b, s, e, a, l -> s:EvilStoreList(l)})
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132 let s:list3 = []
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133 call setline(1, 'asdfasdf')
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134 redraw
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135 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list3)
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136
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137 eval id->listener_remove()
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138 bwipe!
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139 endfunc
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140
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141 func s:StoreListArgs(buf, start, end, added, list)
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142 let s:buf = a:buf
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143 let s:start = a:start
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144 let s:end = a:end
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145 let s:added = a:added
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146 let s:list = a:list
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147 endfunc
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148
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149 func Test_listener_args()
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150 new
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151 call setline(1, ['one', 'two'])
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152 let s:list = []
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153 let id = listener_add('s:StoreListArgs')
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154
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155 " just one change
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156 call setline(1, 'one one')
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157 call listener_flush()
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158 call assert_equal(bufnr(''), s:buf)
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159 call assert_equal(1, s:start)
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160 call assert_equal(2, s:end)
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161 call assert_equal(0, s:added)
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162 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
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163
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164 " two disconnected changes
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165 call setline(1, ['one', 'two', 'three', 'four'])
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166 call listener_flush()
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167 call setline(1, 'one one')
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168 call setline(3, 'three three')
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169 call listener_flush()
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170 call assert_equal(bufnr(''), s:buf)
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171 call assert_equal(1, s:start)
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172 call assert_equal(4, s:end)
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173 call assert_equal(0, s:added)
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174 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0},
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175 \ {'lnum': 3, 'end': 4, 'col': 1, 'added': 0}], s:list)
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176
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177 " add and remove lines
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178 call setline(1, ['one', 'two', 'three', 'four', 'five', 'six'])
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179 call listener_flush()
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180 call append(2, 'two two')
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181 4del
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182 call append(5, 'five five')
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183 call listener_flush()
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184 call assert_equal(bufnr(''), s:buf)
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185 call assert_equal(3, s:start)
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186 call assert_equal(6, s:end)
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187 call assert_equal(1, s:added)
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188 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1},
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189 \ {'lnum': 4, 'end': 5, 'col': 1, 'added': -1},
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190 \ {'lnum': 6, 'end': 6, 'col': 1, 'added': 1}], s:list)
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191
16774
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192 " split a line then insert one, should get two disconnected change lists
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193 call setline(1, 'split here')
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194 call listener_flush()
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195 let s:list = []
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196 exe "normal 1ggwi\<CR>\<Esc>"
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197 1
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198 normal o
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199 call assert_equal([{'lnum': 1, 'end': 2, 'col': 7, 'added': 1}], s:list)
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200 call listener_flush()
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201 call assert_equal([{'lnum': 2, 'end': 2, 'col': 1, 'added': 1}], s:list)
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202
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203 call listener_remove(id)
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204 bwipe!
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205 endfunc
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206
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207 func s:StoreBufList(buf, start, end, added, list)
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208 let s:bufnr = a:buf
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209 let s:list = a:list
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210 endfunc
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211
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212 func Test_listening_other_buf()
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213 new
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214 call setline(1, ['one', 'two'])
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215 let bufnr = bufnr('')
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216 normal ww
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217 let id = bufnr->listener_add(function('s:StoreBufList'))
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218 let s:list = []
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219 call setbufline(bufnr, 1, 'hello')
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220 redraw
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221 call assert_equal(bufnr, s:bufnr)
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222 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
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223
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224 call listener_remove(id)
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225 exe "buf " .. bufnr
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226 bwipe!
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227 endfunc
17151
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228
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229 func Test_listener_garbage_collect()
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230 func MyListener(x, bufnr, start, end, added, changes)
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231 " NOP
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232 endfunc
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233
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234 new
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235 let id = listener_add(function('MyListener', [{}]), bufnr(''))
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236 call test_garbagecollect_now()
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237 " must not crach caused by invalid memory access
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238 normal ia
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239 call assert_true(v:true)
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240
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241 call listener_remove(id)
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242 delfunc MyListener
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243 bwipe!
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244 endfunc
17364
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245
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246 " This verifies the fix for issue #4455
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247 func Test_listener_caches_buffer_line()
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248 new
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249 inoremap <silent> <CR> <CR><Esc>O
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250
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251 function EchoChanges(bufnr, start, end, added, changes)
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252 for l:change in a:changes
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253 let text = getbufline(a:bufnr, l:change.lnum, l:change.end-1+l:change.added)
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254 endfor
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255 endfunction
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256 let lid = listener_add("EchoChanges")
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257 set autoindent
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258 set cindent
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259
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260 call setline(1, ["{", "\tif true {}", "}"])
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261 exe "normal /{}\nl"
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262 call feedkeys("i\r\e", 'xt')
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263 call assert_equal(["{", "\tif true {", "", "\t}", "}"], getline(1, 5))
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264
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265 bwipe!
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266 delfunc EchoChanges
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267 call listener_remove(lid)
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268 iunmap <CR>
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269 set nocindent
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270 endfunc