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annotate src/testdir/test_undo.vim @ 9674:adc7212951ee v7.4.2113

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commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 29 16:15:27 2016 +0200 patch 7.4.2113 Problem: Test for undo is flaky. Solution: Turn it into a new style test. Use test_settime() to avoid flakyness.
author Christian Brabandt <cb@256bit.org>
date Fri, 29 Jul 2016 16:30:06 +0200
parents
children efc8a434f38f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9674
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
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1 " Tests for the undo tree.
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
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2 " Since this script is sourced we need to explicitly break changes up in
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
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3 " undo-able pieces. Do that by setting 'undolevels'.
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4 " Also tests :earlier and :later.
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5
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6 func Test_undotree()
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7 exe "normal Aabc\<Esc>"
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8 set ul=100
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9 exe "normal Adef\<Esc>"
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10 set ul=100
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11 undo
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12 let d = undotree()
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13 call assert_true(d.seq_last > 0)
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14 call assert_true(d.seq_cur > 0)
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15 call assert_true(d.seq_cur < d.seq_last)
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16 call assert_true(len(d.entries) > 0)
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17 " TODO: check more members of d
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18
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19 w! Xtest
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20 call assert_equal(d.save_last + 1, undotree().save_last)
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21 call delete('Xtest')
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22 bwipe Xtest
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23 endfunc
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24
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25 func FillBuffer()
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26 for i in range(1,13)
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27 put=i
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28 " Set 'undolevels' to split undo.
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29 exe "setg ul=" . &g:ul
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30 endfor
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31 endfunc
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32
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33 func Test_global_local_undolevels()
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34 new one
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35 set undolevels=5
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36 call FillBuffer()
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37 " will only undo the last 5 changes, end up with 13 - (5 + 1) = 7 lines
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38 earlier 10
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39 call assert_equal(5, &g:undolevels)
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40 call assert_equal(-123456, &l:undolevels)
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41 call assert_equal('7', getline('$'))
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42
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43 new two
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44 setlocal undolevels=2
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45 call FillBuffer()
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46 " will only undo the last 2 changes, end up with 13 - (2 + 1) = 10 lines
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47 earlier 10
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48 call assert_equal(5, &g:undolevels)
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49 call assert_equal(2, &l:undolevels)
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50 call assert_equal('10', getline('$'))
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51
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52 setlocal ul=10
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53 call assert_equal(5, &g:undolevels)
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54 call assert_equal(10, &l:undolevels)
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55
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56 " Setting local value in "two" must not change local value in "one"
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57 wincmd p
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58 call assert_equal(5, &g:undolevels)
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59 call assert_equal(-123456, &l:undolevels)
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60
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61 new three
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62 setglobal ul=50
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63 call assert_equal(50, &g:undolevels)
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64 call assert_equal(-123456, &l:undolevels)
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65
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66 " Drop created windows
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67 set ul&
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68 new
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69 only!
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70 endfunc
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71
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72 func BackOne(expected)
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73 call feedkeys('g-', 'xt')
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74 call assert_equal(a:expected, getline(1))
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75 endfunc
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76
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77 func Test_undo_del_chars()
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78 " Setup a buffer without creating undo entries
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79 new
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80 set ul=-1
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81 call setline(1, ['123-456'])
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82 set ul=100
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83 1
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84 call test_settime(100)
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85
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86 " Delete three characters and undo with g-
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87 call feedkeys('x', 'xt')
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88 call feedkeys('x', 'xt')
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89 call feedkeys('x', 'xt')
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90 call assert_equal('-456', getline(1))
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91 call BackOne('3-456')
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92 call BackOne('23-456')
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93 call BackOne('123-456')
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94 call assert_fails("BackOne('123-456')")
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95
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96 :" Delete three other characters and go back in time with g-
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97 call feedkeys('$x', 'xt')
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98 call feedkeys('x', 'xt')
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99 call feedkeys('x', 'xt')
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100 call assert_equal('123-', getline(1))
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101 call test_settime(101)
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102
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103 call BackOne('123-4')
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104 call BackOne('123-45')
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105 " skips '123-456' because it's older
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106 call BackOne('-456')
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107 call BackOne('3-456')
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108 call BackOne('23-456')
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109 call BackOne('123-456')
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110 call assert_fails("BackOne('123-456')")
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111 normal 10g+
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112 call assert_equal('123-', getline(1))
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113
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114 :" Jump two seconds and go some seconds forward and backward
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115 call test_settime(103)
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116 call feedkeys("Aa\<Esc>", 'xt')
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117 call feedkeys("Ab\<Esc>", 'xt')
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118 call feedkeys("Ac\<Esc>", 'xt')
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119 call assert_equal('123-abc', getline(1))
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120 earlier 1s
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121 call assert_equal('123-', getline(1))
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122 earlier 3s
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123 call assert_equal('123-456', getline(1))
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124 later 1s
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125 call assert_equal('123-', getline(1))
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126 later 1h
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127 call assert_equal('123-abc', getline(1))
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128
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129 close!
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130 endfunc
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131
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132 func Test_undojoin()
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133 new
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134 call feedkeys("Goaaaa\<Esc>", 'xt')
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135 call feedkeys("obbbb\<Esc>", 'xt')
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136 call assert_equal(['aaaa', 'bbbb'], getline(2, '$'))
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137 call feedkeys("u", 'xt')
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138 call assert_equal(['aaaa'], getline(2, '$'))
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139 call feedkeys("obbbb\<Esc>", 'xt')
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140 undojoin
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141 " Note: next change must not be as if typed
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142 call feedkeys("occcc\<Esc>", 'x')
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143 call assert_equal(['aaaa', 'bbbb', 'cccc'], getline(2, '$'))
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144 call feedkeys("u", 'xt')
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145 call assert_equal(['aaaa'], getline(2, '$'))
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146 close!
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147 endfunc
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148
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149 func Test_undo_write()
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150 split Xtest
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151 call feedkeys("ione one one\<Esc>", 'xt')
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152 w!
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153 call feedkeys("otwo\<Esc>", 'xt')
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154 call feedkeys("otwo\<Esc>", 'xt')
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155 w
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156 call feedkeys("othree\<Esc>", 'xt')
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157 call assert_equal(['one one one', 'two', 'two', 'three'], getline(1, '$'))
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158 earlier 1f
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159 call assert_equal(['one one one', 'two', 'two'], getline(1, '$'))
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160 earlier 1f
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161 call assert_equal(['one one one'], getline(1, '$'))
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162 earlier 1f
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163 call assert_equal([''], getline(1, '$'))
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164 later 1f
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165 call assert_equal(['one one one'], getline(1, '$'))
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166 later 1f
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167 call assert_equal(['one one one', 'two', 'two'], getline(1, '$'))
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168 later 1f
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169 call assert_equal(['one one one', 'two', 'two', 'three'], getline(1, '$'))
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170
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171 close!
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172 call delete('Xtest')
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173 bwipe! Xtest
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174 endfunc
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175
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176 func Test_insert_expr()
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177 new
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178 " calling setline() triggers undo sync
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179 call feedkeys("oa\<Esc>", 'xt')
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180 call feedkeys("ob\<Esc>", 'xt')
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181 set ul=100
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182 call feedkeys("o1\<Esc>a2\<C-R>=setline('.','1234')\<CR>\<CR>\<Esc>", 'x')
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183 call assert_equal(['a', 'b', '120', '34'], getline(2, '$'))
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184 call feedkeys("u", 'x')
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185 call assert_equal(['a', 'b', '12'], getline(2, '$'))
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186 call feedkeys("u", 'x')
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187 call assert_equal(['a', 'b'], getline(2, '$'))
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188
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189 call feedkeys("oc\<Esc>", 'xt')
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190 set ul=100
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191 call feedkeys("o1\<Esc>a2\<C-R>=setline('.','1234')\<CR>\<CR>\<Esc>", 'x')
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192 call assert_equal(['a', 'b', 'c', '120', '34'], getline(2, '$'))
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193 call feedkeys("u", 'x')
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194 call assert_equal(['a', 'b', 'c', '12'], getline(2, '$'))
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195
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196 call feedkeys("od\<Esc>", 'xt')
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197 set ul=100
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198 call feedkeys("o1\<Esc>a2\<C-R>=string(123)\<CR>\<Esc>", 'x')
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199 call assert_equal(['a', 'b', 'c', '12', 'd', '12123'], getline(2, '$'))
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
200 call feedkeys("u", 'x')
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
201 call assert_equal(['a', 'b', 'c', '12', 'd'], getline(2, '$'))
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
202
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
203 close!
adc7212951ee commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
204 endfunc