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annotate src/testdir/test_undo.vim @ 10865:1a18c0f93ffa v8.0.0322

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patch 8.0.0322: possible overflow with corrupted spell file commit https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 9 21:07:12 2017 +0100 patch 8.0.0322: possible overflow with corrupted spell file Problem: Possible overflow with spell file where the tree length is corrupted. Solution: Check for an invalid length (suggested by shqking)
author Christian Brabandt <cb@256bit.org>
date Thu, 09 Feb 2017 21:15:04 +0100
parents cbf17371627c
children ae45d497868f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9674
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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 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
10049
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132 func Test_undolist()
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133 new
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134 set ul=100
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135
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136 let a=execute('undolist')
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137 call assert_equal("\nNothing to undo", a)
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138
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139 " 1 leaf (2 changes).
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140 call feedkeys('achange1', 'xt')
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141 call feedkeys('achange2', 'xt')
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142 let a=execute('undolist')
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143 call assert_match("^\nnumber changes when *saved\n *2 *2 .*$", a)
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144
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145 " 2 leaves.
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146 call feedkeys('u', 'xt')
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147 call feedkeys('achange3\<Esc>', 'xt')
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148 let a=execute('undolist')
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149 call assert_match("^\nnumber changes when *saved\n *2 *2 *.*\n *3 *2 .*$", a)
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150 close!
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151 endfunc
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152
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153 func Test_U_command()
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154 new
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155 set ul=100
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156 call feedkeys("achange1\<Esc>", 'xt')
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157 call feedkeys("achange2\<Esc>", 'xt')
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158 norm! U
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159 call assert_equal('', getline(1))
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160 norm! U
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161 call assert_equal('change1change2', getline(1))
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162 close!
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163 endfunc
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164
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165 func Test_undojoin()
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166 new
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167 call feedkeys("Goaaaa\<Esc>", 'xt')
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168 call feedkeys("obbbb\<Esc>", 'xt')
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169 call assert_equal(['aaaa', 'bbbb'], getline(2, '$'))
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170 call feedkeys("u", 'xt')
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171 call assert_equal(['aaaa'], getline(2, '$'))
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172 call feedkeys("obbbb\<Esc>", 'xt')
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173 undojoin
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174 " Note: next change must not be as if typed
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175 call feedkeys("occcc\<Esc>", 'x')
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176 call assert_equal(['aaaa', 'bbbb', 'cccc'], getline(2, '$'))
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177 call feedkeys("u", 'xt')
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178 call assert_equal(['aaaa'], getline(2, '$'))
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179 bwipe!
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180 endfunc
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181
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182 func Test_undojoin_redo()
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183 new
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184 call setline(1, ['first line', 'second line'])
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185 call feedkeys("ixx\<Esc>", 'xt')
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186 call feedkeys(":undojoin | redo\<CR>", 'xt')
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187 call assert_equal('xxfirst line', getline(1))
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188 call assert_equal('second line', getline(2))
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189 bwipe!
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190 endfunc
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191
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192 func Test_undo_write()
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193 split Xtest
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194 call feedkeys("ione one one\<Esc>", 'xt')
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195 w!
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196 call feedkeys("otwo\<Esc>", 'xt')
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197 call feedkeys("otwo\<Esc>", 'xt')
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198 w
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199 call feedkeys("othree\<Esc>", 'xt')
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200 call assert_equal(['one one one', 'two', 'two', 'three'], getline(1, '$'))
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201 earlier 1f
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202 call assert_equal(['one one one', 'two', 'two'], getline(1, '$'))
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203 earlier 1f
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204 call assert_equal(['one one one'], getline(1, '$'))
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205 earlier 1f
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206 call assert_equal([''], getline(1, '$'))
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207 later 1f
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208 call assert_equal(['one one one'], getline(1, '$'))
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209 later 1f
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210 call assert_equal(['one one one', 'two', 'two'], getline(1, '$'))
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211 later 1f
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212 call assert_equal(['one one one', 'two', 'two', 'three'], getline(1, '$'))
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213
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214 close!
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215 call delete('Xtest')
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216 bwipe! Xtest
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217 endfunc
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218
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219 func Test_insert_expr()
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220 new
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221 " calling setline() triggers undo sync
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222 call feedkeys("oa\<Esc>", 'xt')
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223 call feedkeys("ob\<Esc>", 'xt')
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224 set ul=100
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225 call feedkeys("o1\<Esc>a2\<C-R>=setline('.','1234')\<CR>\<CR>\<Esc>", 'x')
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226 call assert_equal(['a', 'b', '120', '34'], getline(2, '$'))
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227 call feedkeys("u", 'x')
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228 call assert_equal(['a', 'b', '12'], getline(2, '$'))
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229 call feedkeys("u", 'x')
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230 call assert_equal(['a', 'b'], getline(2, '$'))
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231
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232 call feedkeys("oc\<Esc>", 'xt')
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233 set ul=100
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234 call feedkeys("o1\<Esc>a2\<C-R>=setline('.','1234')\<CR>\<CR>\<Esc>", 'x')
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235 call assert_equal(['a', 'b', 'c', '120', '34'], getline(2, '$'))
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236 call feedkeys("u", 'x')
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237 call assert_equal(['a', 'b', 'c', '12'], getline(2, '$'))
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238
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239 call feedkeys("od\<Esc>", 'xt')
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240 set ul=100
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241 call feedkeys("o1\<Esc>a2\<C-R>=string(123)\<CR>\<Esc>", 'x')
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242 call assert_equal(['a', 'b', 'c', '12', 'd', '12123'], getline(2, '$'))
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243 call feedkeys("u", 'x')
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244 call assert_equal(['a', 'b', 'c', '12', 'd'], getline(2, '$'))
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245
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246 close!
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247 endfunc
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248
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249 func Test_undofile_earlier()
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250 " Issue #1254
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251 " create undofile with timestamps older than Vim startup time.
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252 let t0 = localtime() - 43200
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253 call test_settime(t0)
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254 new Xfile
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255 call feedkeys("ione\<Esc>", 'xt')
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256 set ul=100
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257 call test_settime(t0 + 1)
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258 call feedkeys("otwo\<Esc>", 'xt')
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259 set ul=100
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260 call test_settime(t0 + 2)
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261 call feedkeys("othree\<Esc>", 'xt')
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262 set ul=100
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263 w
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264 wundo Xundofile
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265 bwipe!
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266 " restore normal timestamps.
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267 call test_settime(0)
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268 new Xfile
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269 rundo Xundofile
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270 earlier 1d
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271 call assert_equal('', getline(1))
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272 bwipe!
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273 call delete('Xfile')
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274 call delete('Xundofile')
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275 endfunc