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annotate src/testdir/test_undo.vim @ 14455:f713e016097d v8.1.0241

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patch 8.1.0241: effect of ":tabmove N" is not clear commit https://github.com/vim/vim/commit/7cc596547a582e7bc18d91312eb674906ebdc5c2 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 7 13:14:46 2018 +0200 patch 8.1.0241: effect of ":tabmove N" is not clear Problem: Effect of ":tabmove N" is not clear. Solution: Add a test that shows the behavior. (Christian Brabandt, closes #3288)
author Christian Brabandt <cb@256bit.org>
date Tue, 07 Aug 2018 13:15:04 +0200
parents 9709d783261f
children 83a366325158
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Tests for the undo tree.
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2 " Since this script is sourced we need to explicitly break changes up in
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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 new
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8
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9 normal! Aabc
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10 set ul=100
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11 let d = undotree()
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12 call assert_equal(1, d.seq_last)
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13 call assert_equal(1, d.seq_cur)
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14 call assert_equal(0, d.save_last)
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15 call assert_equal(0, d.save_cur)
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16 call assert_equal(1, len(d.entries))
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17 call assert_equal(1, d.entries[0].newhead)
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18 call assert_equal(1, d.entries[0].seq)
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19 call assert_true(d.entries[0].time <= d.time_cur)
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20
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21 normal! Adef
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22 set ul=100
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23 let d = undotree()
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24 call assert_equal(2, d.seq_last)
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25 call assert_equal(2, d.seq_cur)
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26 call assert_equal(0, d.save_last)
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27 call assert_equal(0, d.save_cur)
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28 call assert_equal(2, len(d.entries))
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29 call assert_equal(1, d.entries[0].seq)
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30 call assert_equal(1, d.entries[1].newhead)
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31 call assert_equal(2, d.entries[1].seq)
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32 call assert_true(d.entries[1].time <= d.time_cur)
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33
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34 undo
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35 set ul=100
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36 let d = undotree()
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37 call assert_equal(2, d.seq_last)
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38 call assert_equal(1, d.seq_cur)
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39 call assert_equal(0, d.save_last)
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40 call assert_equal(0, d.save_cur)
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41 call assert_equal(2, len(d.entries))
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42 call assert_equal(1, d.entries[0].seq)
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43 call assert_equal(1, d.entries[1].curhead)
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44 call assert_equal(1, d.entries[1].newhead)
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45 call assert_equal(2, d.entries[1].seq)
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46 call assert_true(d.entries[1].time == d.time_cur)
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47
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48 normal! Aghi
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49 set ul=100
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50 let d = undotree()
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51 call assert_equal(3, d.seq_last)
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52 call assert_equal(3, d.seq_cur)
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53 call assert_equal(0, d.save_last)
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54 call assert_equal(0, d.save_cur)
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55 call assert_equal(2, len(d.entries))
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56 call assert_equal(1, d.entries[0].seq)
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57 call assert_equal(2, d.entries[1].alt[0].seq)
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58 call assert_equal(1, d.entries[1].newhead)
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59 call assert_equal(3, d.entries[1].seq)
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60 call assert_true(d.entries[1].time <= d.time_cur)
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61
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62 undo
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63 set ul=100
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64 let d = undotree()
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65 call assert_equal(3, d.seq_last)
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66 call assert_equal(1, d.seq_cur)
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67 call assert_equal(0, d.save_last)
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68 call assert_equal(0, d.save_cur)
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69 call assert_equal(2, len(d.entries))
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70 call assert_equal(1, d.entries[0].seq)
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71 call assert_equal(2, d.entries[1].alt[0].seq)
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72 call assert_equal(1, d.entries[1].curhead)
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73 call assert_equal(1, d.entries[1].newhead)
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74 call assert_equal(3, d.entries[1].seq)
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75 call assert_true(d.entries[1].time == d.time_cur)
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76
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77 w! Xtest
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78 let d = undotree()
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79 call assert_equal(1, d.save_cur)
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80 call assert_equal(1, d.save_last)
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81 call delete('Xtest')
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82 bwipe! Xtest
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83 endfunc
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84
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85 func FillBuffer()
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86 for i in range(1,13)
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87 put=i
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88 " Set 'undolevels' to split undo.
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89 exe "setg ul=" . &g:ul
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90 endfor
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91 endfunc
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92
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93 func Test_global_local_undolevels()
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94 new one
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95 set undolevels=5
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96 call FillBuffer()
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97 " will only undo the last 5 changes, end up with 13 - (5 + 1) = 7 lines
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98 earlier 10
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99 call assert_equal(5, &g:undolevels)
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100 call assert_equal(-123456, &l:undolevels)
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101 call assert_equal('7', getline('$'))
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102
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103 new two
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104 setlocal undolevels=2
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105 call FillBuffer()
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106 " will only undo the last 2 changes, end up with 13 - (2 + 1) = 10 lines
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107 earlier 10
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108 call assert_equal(5, &g:undolevels)
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109 call assert_equal(2, &l:undolevels)
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110 call assert_equal('10', getline('$'))
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111
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112 setlocal ul=10
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113 call assert_equal(5, &g:undolevels)
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114 call assert_equal(10, &l:undolevels)
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115
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116 " Setting local value in "two" must not change local value in "one"
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117 wincmd p
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118 call assert_equal(5, &g:undolevels)
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119 call assert_equal(-123456, &l:undolevels)
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120
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121 new three
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122 setglobal ul=50
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123 call assert_equal(50, &g:undolevels)
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124 call assert_equal(-123456, &l:undolevels)
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125
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126 " Drop created windows
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127 set ul&
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128 new
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129 only!
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130 endfunc
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131
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132 func BackOne(expected)
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133 call feedkeys('g-', 'xt')
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134 call assert_equal(a:expected, getline(1))
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135 endfunc
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136
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137 func Test_undo_del_chars()
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138 " Setup a buffer without creating undo entries
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139 new
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140 set ul=-1
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141 call setline(1, ['123-456'])
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142 set ul=100
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143 1
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144 call test_settime(100)
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145
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146 " Delete three characters and undo with g-
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147 call feedkeys('x', 'xt')
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148 call feedkeys('x', 'xt')
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149 call feedkeys('x', 'xt')
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150 call assert_equal('-456', getline(1))
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151 call BackOne('3-456')
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152 call BackOne('23-456')
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153 call BackOne('123-456')
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154 call assert_fails("BackOne('123-456')")
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155
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156 :" Delete three other characters and go back in time with g-
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157 call feedkeys('$x', 'xt')
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158 call feedkeys('x', 'xt')
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159 call feedkeys('x', 'xt')
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160 call assert_equal('123-', getline(1))
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161 call test_settime(101)
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162
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163 call BackOne('123-4')
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164 call BackOne('123-45')
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165 " skips '123-456' because it's older
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166 call BackOne('-456')
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167 call BackOne('3-456')
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168 call BackOne('23-456')
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169 call BackOne('123-456')
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170 call assert_fails("BackOne('123-456')")
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171 normal 10g+
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172 call assert_equal('123-', getline(1))
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173
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174 :" Jump two seconds and go some seconds forward and backward
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175 call test_settime(103)
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176 call feedkeys("Aa\<Esc>", 'xt')
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177 call feedkeys("Ab\<Esc>", 'xt')
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178 call feedkeys("Ac\<Esc>", 'xt')
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179 call assert_equal('123-abc', getline(1))
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180 earlier 1s
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181 call assert_equal('123-', getline(1))
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182 earlier 3s
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183 call assert_equal('123-456', getline(1))
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184 later 1s
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185 call assert_equal('123-', getline(1))
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186 later 1h
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187 call assert_equal('123-abc', getline(1))
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188
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189 close!
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190 endfunc
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191
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192 func Test_undolist()
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193 new
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194 set ul=100
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195
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196 let a = execute('undolist')
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197 call assert_equal("\nNothing to undo", a)
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198
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199 " 1 leaf (2 changes).
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200 call feedkeys('achange1', 'xt')
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201 call feedkeys('achange2', 'xt')
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202 let a = execute('undolist')
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203 call assert_match("^\nnumber changes when *saved\n *2 *2 .*$", a)
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204
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205 " 2 leaves.
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206 call feedkeys('u', 'xt')
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207 call feedkeys('achange3\<Esc>', 'xt')
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208 let a = execute('undolist')
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209 call assert_match("^\nnumber changes when *saved\n *2 *2 *.*\n *3 *2 .*$", a)
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210 close!
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211 endfunc
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212
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213 func Test_U_command()
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214 new
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215 set ul=100
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216 call feedkeys("achange1\<Esc>", 'xt')
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217 call feedkeys("achange2\<Esc>", 'xt')
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218 norm! U
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219 call assert_equal('', getline(1))
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220 norm! U
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221 call assert_equal('change1change2', getline(1))
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222 close!
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223 endfunc
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224
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225 func Test_undojoin()
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226 new
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227 call feedkeys("Goaaaa\<Esc>", 'xt')
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228 call feedkeys("obbbb\<Esc>", 'xt')
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229 call assert_equal(['aaaa', 'bbbb'], getline(2, '$'))
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230 call feedkeys("u", 'xt')
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231 call assert_equal(['aaaa'], getline(2, '$'))
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232 call feedkeys("obbbb\<Esc>", 'xt')
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233 undojoin
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234 " Note: next change must not be as if typed
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235 call feedkeys("occcc\<Esc>", 'x')
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236 call assert_equal(['aaaa', 'bbbb', 'cccc'], getline(2, '$'))
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237 call feedkeys("u", 'xt')
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238 call assert_equal(['aaaa'], getline(2, '$'))
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239 bwipe!
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240 endfunc
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241
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242 func Test_undojoin_redo()
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243 new
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244 call setline(1, ['first line', 'second line'])
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245 call feedkeys("ixx\<Esc>", 'xt')
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246 call feedkeys(":undojoin | redo\<CR>", 'xt')
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247 call assert_equal('xxfirst line', getline(1))
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248 call assert_equal('second line', getline(2))
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249 bwipe!
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250 endfunc
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251
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252 func Test_undo_write()
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253 call delete('Xtest')
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254 split Xtest
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255 call feedkeys("ione one one\<Esc>", 'xt')
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256 w!
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257 call feedkeys("otwo\<Esc>", 'xt')
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258 call feedkeys("otwo\<Esc>", 'xt')
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259 w
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260 call feedkeys("othree\<Esc>", 'xt')
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261 call assert_equal(['one one one', 'two', 'two', 'three'], getline(1, '$'))
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262 earlier 1f
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263 call assert_equal(['one one one', 'two', 'two'], getline(1, '$'))
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264 earlier 1f
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265 call assert_equal(['one one one'], getline(1, '$'))
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266 earlier 1f
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267 call assert_equal([''], getline(1, '$'))
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268 later 1f
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269 call assert_equal(['one one one'], getline(1, '$'))
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270 later 1f
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271 call assert_equal(['one one one', 'two', 'two'], getline(1, '$'))
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272 later 1f
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273 call assert_equal(['one one one', 'two', 'two', 'three'], getline(1, '$'))
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274
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275 close!
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276 call delete('Xtest')
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277 bwipe! Xtest
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278 endfunc
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279
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280 func Test_insert_expr()
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281 new
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282 " calling setline() triggers undo sync
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283 call feedkeys("oa\<Esc>", 'xt')
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284 call feedkeys("ob\<Esc>", 'xt')
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285 set ul=100
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286 call feedkeys("o1\<Esc>a2\<C-R>=setline('.','1234')\<CR>\<CR>\<Esc>", 'x')
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287 call assert_equal(['a', 'b', '120', '34'], getline(2, '$'))
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288 call feedkeys("u", 'x')
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289 call assert_equal(['a', 'b', '12'], getline(2, '$'))
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290 call feedkeys("u", 'x')
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291 call assert_equal(['a', 'b'], getline(2, '$'))
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292
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293 call feedkeys("oc\<Esc>", 'xt')
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294 set ul=100
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295 call feedkeys("o1\<Esc>a2\<C-R>=setline('.','1234')\<CR>\<CR>\<Esc>", 'x')
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296 call assert_equal(['a', 'b', 'c', '120', '34'], getline(2, '$'))
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297 call feedkeys("u", 'x')
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298 call assert_equal(['a', 'b', 'c', '12'], getline(2, '$'))
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299
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300 call feedkeys("od\<Esc>", 'xt')
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301 set ul=100
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302 call feedkeys("o1\<Esc>a2\<C-R>=string(123)\<CR>\<Esc>", 'x')
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303 call assert_equal(['a', 'b', 'c', '12', 'd', '12123'], getline(2, '$'))
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304 call feedkeys("u", 'x')
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305 call assert_equal(['a', 'b', 'c', '12', 'd'], getline(2, '$'))
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306
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307 close!
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308 endfunc
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309
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310 func Test_undofile_earlier()
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311 " Issue #1254
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312 " create undofile with timestamps older than Vim startup time.
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313 let t0 = localtime() - 43200
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314 call test_settime(t0)
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parents: 10049
diff changeset
315 new Xfile
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parents: 10049
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316 call feedkeys("ione\<Esc>", 'xt')
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317 set ul=100
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parents: 10049
diff changeset
318 call test_settime(t0 + 1)
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319 call feedkeys("otwo\<Esc>", 'xt')
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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320 set ul=100
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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parents: 10049
diff changeset
321 call test_settime(t0 + 2)
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parents: 10049
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322 call feedkeys("othree\<Esc>", 'xt')
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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parents: 10049
diff changeset
323 set ul=100
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parents: 10049
diff changeset
324 w
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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325 wundo Xundofile
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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diff changeset
326 bwipe!
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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diff changeset
327 " restore normal timestamps.
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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328 call test_settime(0)
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329 new Xfile
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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330 rundo Xundofile
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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331 earlier 1d
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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332 call assert_equal('', getline(1))
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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333 bwipe!
de77fa909414 commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
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334 call delete('Xfile')
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335 call delete('Xundofile')
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336 endfunc
12686
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337
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338 " Test for undo working properly when executing commands from a register.
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339 " Also test this in an empty buffer.
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340 func Test_cmd_in_reg_undo()
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341 enew!
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342 let @a = "Ox\<Esc>jAy\<Esc>kdd"
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343 edit +/^$ test_undo.vim
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344 normal @au
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345 call assert_equal(0, &modified)
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346 return
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347 new
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348 normal @au
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349 call assert_equal(0, &modified)
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350 only!
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351 let @a = ''
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352 endfunc
13117
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353
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354 " This used to cause an illegal memory access
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355 func Test_undo_append()
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356 new
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357 call feedkeys("axx\<Esc>v", 'xt')
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358 undo
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359 norm o
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360 quit
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361 endfunc
13134
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362
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363 func Test_undo_0()
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364 new
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365 set ul=100
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366 normal i1
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367 undo
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368 normal i2
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369 undo
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370 normal i3
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371
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372 undo 0
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373 let d = undotree()
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374 call assert_equal('', getline(1))
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375 call assert_equal(0, d.seq_cur)
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376
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377 redo
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378 let d = undotree()
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379 call assert_equal('3', getline(1))
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380 call assert_equal(3, d.seq_cur)
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381
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382 undo 2
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383 undo 0
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384 let d = undotree()
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385 call assert_equal('', getline(1))
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386 call assert_equal(0, d.seq_cur)
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387
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388 redo
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389 let d = undotree()
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390 call assert_equal('2', getline(1))
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391 call assert_equal(2, d.seq_cur)
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392
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393 undo 1
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394 undo 0
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395 let d = undotree()
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396 call assert_equal('', getline(1))
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397 call assert_equal(0, d.seq_cur)
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398
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399 redo
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400 let d = undotree()
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401 call assert_equal('1', getline(1))
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402 call assert_equal(1, d.seq_cur)
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diff changeset
403
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404 bwipe!
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405 endfunc
13202
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406
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407 func Test_redo_empty_line()
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408 new
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409 exe "norm\x16r\x160"
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410 exe "norm."
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411 bwipe!
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412 endfunc
14015
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413
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414 funct Test_undofile()
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415 " Test undofile() without setting 'undodir'.
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416 if has('persistent_undo')
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417 call assert_equal(fnamemodify('.Xundofoo.un~', ':p'), undofile('Xundofoo'))
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diff changeset
418 else
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419 call assert_equal('', undofile('Xundofoo'))
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420 endif
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421 call assert_equal('', undofile(''))
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diff changeset
422
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diff changeset
423 " Test undofile() with 'undodir' set to to an existing directory.
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424 call mkdir('Xundodir')
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diff changeset
425 set undodir=Xundodir
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diff changeset
426 let cwd = getcwd()
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diff changeset
427 if has('win32')
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diff changeset
428 " Replace windows drive such as C:... into C%...
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diff changeset
429 let cwd = substitute(cwd, '^\([A-Z]\):', '\1%', 'g')
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diff changeset
430 endif
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diff changeset
431 let cwd = substitute(cwd . '/Xundofoo', '/', '%', 'g')
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diff changeset
432 if has('persistent_undo')
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diff changeset
433 call assert_equal('Xundodir/' . cwd, undofile('Xundofoo'))
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diff changeset
434 else
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diff changeset
435 call assert_equal('', undofile('Xundofoo'))
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diff changeset
436 endif
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parents: 13202
diff changeset
437 call assert_equal('', undofile(''))
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diff changeset
438 call delete('Xundodir', 'd')
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Christian Brabandt <cb@256bit.org>
parents: 13202
diff changeset
439
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diff changeset
440 " Test undofile() with 'undodir' set to a non-existing directory.
9709d783261f patch 8.1.0025: no test for the undofile() function
Christian Brabandt <cb@256bit.org>
parents: 13202
diff changeset
441 call assert_equal('', undofile('Xundofoo'))
9709d783261f patch 8.1.0025: no test for the undofile() function
Christian Brabandt <cb@256bit.org>
parents: 13202
diff changeset
442
9709d783261f patch 8.1.0025: no test for the undofile() function
Christian Brabandt <cb@256bit.org>
parents: 13202
diff changeset
443 set undodir&
9709d783261f patch 8.1.0025: no test for the undofile() function
Christian Brabandt <cb@256bit.org>
parents: 13202
diff changeset
444 endfunc