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annotate src/testdir/test_listener.vim @ 16774:0cc3f459237b v8.1.1389

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patch 8.1.1389: changes are not flushed when end and start overlap commit https://github.com/vim/vim/commit/7b31a181c84ec6b9050892e80f3132907569f8d8 Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 24 21:39:27 2019 +0200 patch 8.1.1389: changes are not flushed when end and start overlap Problem: Changes are not flushed when end and start overlap. (Paul Jolly) Solution: When end of a previous changes overlaps with start of a new change, first flush listeners.
author Bram Moolenaar <Bram@vim.org>
date Fri, 24 May 2019 21:45:05 +0200
parents 978bcd70883d
children 5493e31010e1
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 redraw
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32 " the two changes get merged
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33 call assert_equal([{'lnum': 3, 'end': 4, 'col': 1, 'added': 0}], s:list)
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34 1
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35
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36 " Two listeners, both get called. Also check column.
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37 call setline(1, ['one one', 'two'])
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38 call listener_flush()
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39 let id2 = listener_add({b, s, e, a, l -> s:AnotherStoreList(l)})
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40 let s:list = []
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41 let s:list2 = []
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42 exe "normal $asome\<Esc>"
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43 redraw
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44 call assert_equal([{'lnum': 1, 'end': 2, 'col': 8, 'added': 0}], s:list)
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45 call assert_equal([{'lnum': 1, 'end': 2, 'col': 8, 'added': 0}], s:list2)
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46
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47 " removing listener works
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48 call listener_remove(id2)
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49 call setline(1, ['one one', 'two'])
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50 call listener_flush()
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51 let s:list = []
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52 let s:list2 = []
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53 call setline(3, 'three')
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54 redraw
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55 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1}], s:list)
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56 call assert_equal([], s:list2)
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57
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58 " a change above a previous change without a line number change is reported
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59 " together
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60 call setline(1, ['one one', 'two'])
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61 call listener_flush()
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62 call append(2, 'two two')
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63 call setline(1, 'something')
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64 call listener_flush()
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65 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1},
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66 \ {'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
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67
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68 " an insert just above a previous change that was the last one gets merged
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69 call setline(1, ['one one', 'two'])
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70 call listener_flush()
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71 let s:list = []
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72 call setline(2, 'something')
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73 call append(1, 'two two')
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74 call assert_equal([], s:list)
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75 call listener_flush()
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76 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': 1}], s:list)
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77
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78 " an insert above a previous change causes a flush
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79 call setline(1, ['one one', 'two'])
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80 call listener_flush()
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81 call setline(2, 'something')
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82 call append(0, 'two two')
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83 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': 0}], s:list)
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84 call assert_equal('something', s:text)
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85 call listener_flush()
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86 call assert_equal([{'lnum': 1, 'end': 1, 'col': 1, 'added': 1}], s:list)
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87 call assert_equal('two two', s:text)
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88
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89 " a delete at a previous change that was the last one gets merged
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90 call setline(1, ['one one', 'two'])
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91 call listener_flush()
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92 let s:list = []
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93 call setline(2, 'something')
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94 2del
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95 call assert_equal([], s:list)
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96 call listener_flush()
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97 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': -1}], s:list)
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98
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99 " a delete above a previous change causes a flush
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100 call setline(1, ['one one', 'two'])
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101 call listener_flush()
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102 call setline(2, 'another')
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103 1del
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104 call assert_equal([{'lnum': 2, 'end': 3, 'col': 1, 'added': 0}], s:list)
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105 call assert_equal(2, s:start)
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106 call assert_equal('another', s:text)
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107 call listener_flush()
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108 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': -1}], s:list)
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109 call assert_equal('another', s:text)
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110
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111 " the "o" command first adds an empty line and then changes it
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112 %del
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113 call setline(1, ['one one', 'two'])
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114 call listener_flush()
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115 let s:list = []
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116 exe "normal Gofour\<Esc>"
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117 redraw
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118 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1},
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119 \ {'lnum': 3, 'end': 4, 'col': 1, 'added': 0}], s:list)
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120
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121 " Remove last listener
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122 let s:list = []
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123 call listener_remove(id)
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124 call setline(1, 'asdfasdf')
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125 redraw
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126 call assert_equal([], s:list)
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127
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128 " Trying to change the list fails
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129 let id = listener_add({b, s, e, a, l -> s:EvilStoreList(l)})
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130 let s:list3 = []
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131 call setline(1, 'asdfasdf')
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132 redraw
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133 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list3)
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134
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135 call listener_remove(id)
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136 bwipe!
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137 endfunc
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138
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139 func s:StoreListArgs(buf, start, end, added, list)
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140 let s:buf = a:buf
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141 let s:start = a:start
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142 let s:end = a:end
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143 let s:added = a:added
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144 let s:list = a:list
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145 endfunc
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146
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147 func Test_listener_args()
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148 new
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149 call setline(1, ['one', 'two'])
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150 let s:list = []
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151 let id = listener_add('s:StoreListArgs')
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152
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153 " just one change
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154 call setline(1, 'one one')
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155 call listener_flush()
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156 call assert_equal(bufnr(''), s:buf)
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157 call assert_equal(1, s:start)
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158 call assert_equal(2, s:end)
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159 call assert_equal(0, s:added)
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160 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
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161
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162 " two disconnected changes
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163 call setline(1, ['one', 'two', 'three', 'four'])
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164 call listener_flush()
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165 call setline(1, 'one one')
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166 call setline(3, 'three three')
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167 call listener_flush()
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168 call assert_equal(bufnr(''), s:buf)
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169 call assert_equal(1, s:start)
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170 call assert_equal(4, s:end)
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171 call assert_equal(0, s:added)
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172 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0},
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173 \ {'lnum': 3, 'end': 4, 'col': 1, 'added': 0}], s:list)
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174
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175 " add and remove lines
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176 call setline(1, ['one', 'two', 'three', 'four', 'five', 'six'])
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177 call listener_flush()
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178 call append(2, 'two two')
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179 4del
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180 call append(5, 'five five')
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181 call listener_flush()
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182 call assert_equal(bufnr(''), s:buf)
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183 call assert_equal(3, s:start)
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184 call assert_equal(6, s:end)
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185 call assert_equal(1, s:added)
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186 call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1},
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187 \ {'lnum': 4, 'end': 5, 'col': 1, 'added': -1},
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188 \ {'lnum': 6, 'end': 6, 'col': 1, 'added': 1}], s:list)
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189
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190 " split a line then insert one, should get two disconnected change lists
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191 call setline(1, 'split here')
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192 call listener_flush()
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193 let s:list = []
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194 exe "normal 1ggwi\<CR>\<Esc>"
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195 1
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196 normal o
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197 call assert_equal([{'lnum': 1, 'end': 2, 'col': 7, 'added': 1}], s:list)
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198 call listener_flush()
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199 call assert_equal([{'lnum': 2, 'end': 2, 'col': 1, 'added': 1}], s:list)
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200
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201 call listener_remove(id)
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202 bwipe!
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203 endfunc
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204
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205 func s:StoreBufList(buf, start, end, added, list)
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206 let s:bufnr = a:buf
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207 let s:list = a:list
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208 endfunc
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209
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210 func Test_listening_other_buf()
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211 new
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212 call setline(1, ['one', 'two'])
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213 let bufnr = bufnr('')
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214 normal ww
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215 let id = listener_add(function('s:StoreBufList'), bufnr)
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216 let s:list = []
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217 call setbufline(bufnr, 1, 'hello')
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218 redraw
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219 call assert_equal(bufnr, s:bufnr)
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220 call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
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221
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222 call listener_remove(id)
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223 exe "buf " .. bufnr
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224 bwipe!
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225 endfunc