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annotate src/testdir/test_buffer.vim @ 23847:b0e7fa957cd1 v8.2.2465

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patch 8.2.2465: using freed memory in :psearch Commit: https://github.com/vim/vim/commit/92bb83e41ca42d0d00d21753810d92485c808a50 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 3 23:04:46 2021 +0100 patch 8.2.2465: using freed memory in :psearch Problem: Using freed memory in :psearch. (houyunsong) Solution: Check the current window is still valid. Fix flaky test.
author Bram Moolenaar <Bram@vim.org>
date Wed, 03 Feb 2021 23:15:04 +0100
parents 7c1e2e3f2d8d
children d7644bffe128
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rev   line source
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1 " Tests for Vim buffer
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2
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3 source check.vim
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4
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5 " Test for the :bunload command with an offset
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6 func Test_bunload_with_offset()
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7 %bwipe!
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8 call writefile(['B1'], 'b1')
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9 call writefile(['B2'], 'b2')
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10 call writefile(['B3'], 'b3')
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11 call writefile(['B4'], 'b4')
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12
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13 " Load four buffers. Unload the second and third buffers and then
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14 " execute .+3bunload to unload the last buffer.
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15 edit b1
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16 new b2
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17 new b3
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18 new b4
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19
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20 bunload b2
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21 bunload b3
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22 exe bufwinnr('b1') . 'wincmd w'
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23 .+3bunload
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24 call assert_equal(0, getbufinfo('b4')[0].loaded)
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25 call assert_equal('b1',
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26 \ fnamemodify(getbufinfo({'bufloaded' : 1})[0].name, ':t'))
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27
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28 " Load four buffers. Unload the third and fourth buffers. Execute .+3bunload
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29 " and check whether the second buffer is unloaded.
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30 ball
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31 bunload b3
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32 bunload b4
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33 exe bufwinnr('b1') . 'wincmd w'
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34 .+3bunload
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35 call assert_equal(0, getbufinfo('b2')[0].loaded)
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36 call assert_equal('b1',
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37 \ fnamemodify(getbufinfo({'bufloaded' : 1})[0].name, ':t'))
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38
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39 " Load four buffers. Unload the second and third buffers and from the last
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40 " buffer execute .-3bunload to unload the first buffer.
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41 ball
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42 bunload b2
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43 bunload b3
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44 exe bufwinnr('b4') . 'wincmd w'
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45 .-3bunload
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46 call assert_equal(0, getbufinfo('b1')[0].loaded)
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47 call assert_equal('b4',
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48 \ fnamemodify(getbufinfo({'bufloaded' : 1})[0].name, ':t'))
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49
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50 " Load four buffers. Unload the first and second buffers. Execute .-3bunload
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51 " from the last buffer and check whether the third buffer is unloaded.
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52 ball
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53 bunload b1
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54 bunload b2
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55 exe bufwinnr('b4') . 'wincmd w'
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56 .-3bunload
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57 call assert_equal(0, getbufinfo('b3')[0].loaded)
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58 call assert_equal('b4',
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59 \ fnamemodify(getbufinfo({'bufloaded' : 1})[0].name, ':t'))
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60
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61 %bwipe!
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62 call delete('b1')
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63 call delete('b2')
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64 call delete('b3')
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65 call delete('b4')
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66
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67 call assert_fails('1,4bunload', 'E16:')
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68 call assert_fails(',100bunload', 'E16:')
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69
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70 call assert_fails('$bunload', 'E90:')
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71 endfunc
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72
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73 " Test for :buffer, :bnext, :bprevious, :brewind, :blast and :bmodified
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74 " commands
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75 func Test_buflist_browse()
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76 %bwipe!
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77 call assert_fails('buffer 1000', 'E86:')
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78
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79 call writefile(['foo1', 'foo2', 'foo3', 'foo4'], 'Xfile1')
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80 call writefile(['bar1', 'bar2', 'bar3', 'bar4'], 'Xfile2')
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81 call writefile(['baz1', 'baz2', 'baz3', 'baz4'], 'Xfile3')
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82 edit Xfile1
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83 let b1 = bufnr()
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84 edit Xfile2
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85 let b2 = bufnr()
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86 edit +/baz4 Xfile3
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87 let b3 = bufnr()
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88
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89 call assert_fails('buffer ' .. b1 .. ' abc', 'E488:')
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90 call assert_equal(b3, bufnr())
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91 call assert_equal(4, line('.'))
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92 exe 'buffer +/bar2 ' .. b2
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93 call assert_equal(b2, bufnr())
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94 call assert_equal(2, line('.'))
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95 exe 'buffer +/bar1'
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96 call assert_equal(b2, bufnr())
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97 call assert_equal(1, line('.'))
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98
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99 brewind +
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100 call assert_equal(b1, bufnr())
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101 call assert_equal(4, line('.'))
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102
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103 blast +/baz2
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104 call assert_equal(b3, bufnr())
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105 call assert_equal(2, line('.'))
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106
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107 bprevious +/bar4
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108 call assert_equal(b2, bufnr())
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109 call assert_equal(4, line('.'))
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110
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111 bnext +/baz3
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112 call assert_equal(b3, bufnr())
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113 call assert_equal(3, line('.'))
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114
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115 call assert_fails('bmodified', 'E84:')
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116 call setbufvar(b2, '&modified', 1)
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117 exe 'bmodified +/bar3'
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118 call assert_equal(b2, bufnr())
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119 call assert_equal(3, line('.'))
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120
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121 " With no listed buffers in the list, :bnext and :bprev should fail
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122 %bwipe!
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123 set nobuflisted
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124 call assert_fails('bnext', 'E85:')
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125 call assert_fails('bprev', 'E85:')
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126 set buflisted
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127
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128 call assert_fails('sandbox bnext', 'E48:')
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129
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130 call delete('Xfile1')
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131 call delete('Xfile2')
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132 call delete('Xfile3')
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133 %bwipe!
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134 endfunc
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135
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136 " Test for :bdelete
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137 func Test_bdelete_cmd()
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138 %bwipe!
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139 call assert_fails('bdelete 5', 'E516:')
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140 call assert_fails('1,1bdelete 1 2', 'E488:')
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141 call assert_fails('bdelete \)', 'E55:')
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142
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143 " Deleting a unlisted and unloaded buffer
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144 edit Xfile1
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145 let bnr = bufnr()
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146 set nobuflisted
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147 enew
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148 call assert_fails('bdelete ' .. bnr, 'E516:')
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149
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150 " Deleting more than one buffer
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151 new Xbuf1
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152 new Xbuf2
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153 exe 'bdel ' .. bufnr('Xbuf2') .. ' ' .. bufnr('Xbuf1')
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154 call assert_equal(1, winnr('$'))
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155 call assert_equal(0, getbufinfo('Xbuf1')[0].loaded)
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156 call assert_equal(0, getbufinfo('Xbuf2')[0].loaded)
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157
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158 " Deleting more than one buffer and an invalid buffer
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159 new Xbuf1
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160 new Xbuf2
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161 let cmd = "exe 'bdel ' .. bufnr('Xbuf2') .. ' xxx ' .. bufnr('Xbuf1')"
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162 call assert_fails(cmd, 'E94:')
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163 call assert_equal(2, winnr('$'))
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164 call assert_equal(1, getbufinfo('Xbuf1')[0].loaded)
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165 call assert_equal(0, getbufinfo('Xbuf2')[0].loaded)
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166
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167 %bwipe!
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168 endfunc
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169
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170 func Test_buffer_error()
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171 new foo1
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172 new foo2
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173
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174 call assert_fails('buffer foo', 'E93:')
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175 call assert_fails('buffer bar', 'E94:')
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176 call assert_fails('buffer 0', 'E939:')
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177
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178 %bwipe
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179 endfunc
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180
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181 " Test for the status messages displayed when unloading, deleting or wiping
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182 " out buffers
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183 func Test_buffer_statusmsg()
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184 CheckEnglish
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185 set report=1
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186 new Xbuf1
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187 new Xbuf2
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188 let bnr = bufnr()
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189 exe "normal 2\<C-G>"
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190 call assert_match('buf ' .. bnr .. ':', v:statusmsg)
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191 bunload Xbuf1 Xbuf2
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192 call assert_equal('2 buffers unloaded', v:statusmsg)
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193 bdel Xbuf1 Xbuf2
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194 call assert_equal('2 buffers deleted', v:statusmsg)
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195 bwipe Xbuf1 Xbuf2
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196 call assert_equal('2 buffers wiped out', v:statusmsg)
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197 set report&
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198 endfunc
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199
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200 " Test for quitting the 'swapfile exists' dialog with the split buffer
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201 " command.
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202 func Test_buffer_sbuf_cleanup()
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203 call writefile([], 'Xfile')
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204 " first open the file in a buffer
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205 new Xfile
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206 let bnr = bufnr()
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207 close
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208 " create the swap file
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209 call writefile([], '.Xfile.swp')
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210 " Remove the catch-all that runtest.vim adds
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211 au! SwapExists
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212 augroup BufTest
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213 au!
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214 autocmd SwapExists Xfile let v:swapchoice='q'
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215 augroup END
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216 exe 'sbuf ' . bnr
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217 call assert_equal(1, winnr('$'))
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218 call assert_equal(0, getbufinfo('Xfile')[0].loaded)
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219
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220 " test for :sball
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221 sball
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222 call assert_equal(1, winnr('$'))
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223 call assert_equal(0, getbufinfo('Xfile')[0].loaded)
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224
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225 %bw!
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226 set shortmess+=F
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227 let v:statusmsg = ''
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228 edit Xfile
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229 call assert_equal('', v:statusmsg)
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230 call assert_equal(1, winnr('$'))
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231 call assert_equal(0, getbufinfo('Xfile')[0].loaded)
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232 set shortmess&
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233
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234 call delete('Xfile')
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235 call delete('.Xfile.swp')
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236 augroup BufTest
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237 au!
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238 augroup END
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239 augroup! BufTest
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240 endfunc
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241
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242 " Test for deleting a modified buffer with :confirm
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243 func Test_bdel_with_confirm()
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244 CheckUnix
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245 CheckNotGui
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246 CheckFeature dialog_con
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247 new
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248 call setline(1, 'test')
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249 call assert_fails('bdel', 'E89:')
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250 call feedkeys('c', 'L')
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251 confirm bdel
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252 call assert_equal(2, winnr('$'))
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253 call assert_equal(1, &modified)
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diff changeset
254 call feedkeys('n', 'L')
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diff changeset
255 confirm bdel
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diff changeset
256 call assert_equal(1, winnr('$'))
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257 endfunc
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258
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diff changeset
259 " Test for editing another buffer from a modified buffer with :confirm
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260 func Test_goto_buf_with_confirm()
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261 CheckUnix
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diff changeset
262 CheckNotGui
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diff changeset
263 CheckFeature dialog_con
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diff changeset
264 new Xfile
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diff changeset
265 enew
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diff changeset
266 call setline(1, 'test')
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diff changeset
267 call assert_fails('b Xfile', 'E37:')
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diff changeset
268 call feedkeys('c', 'L')
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diff changeset
269 call assert_fails('confirm b Xfile', 'E37:')
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diff changeset
270 call assert_equal(1, &modified)
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271 call assert_equal('', @%)
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diff changeset
272 call feedkeys('y', 'L')
21265
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diff changeset
273 call assert_fails('confirm b Xfile', ['', 'E37:'])
20990
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diff changeset
274 call assert_equal(1, &modified)
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275 call assert_equal('', @%)
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diff changeset
276 call feedkeys('n', 'L')
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diff changeset
277 confirm b Xfile
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diff changeset
278 call assert_equal('Xfile', @%)
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diff changeset
279 close!
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280 endfunc
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281
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diff changeset
282 " Test for splitting buffer with 'switchbuf'
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diff changeset
283 func Test_buffer_switchbuf()
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diff changeset
284 new Xfile
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285 wincmd w
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286 set switchbuf=useopen
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287 sbuf Xfile
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288 call assert_equal(1, winnr())
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289 call assert_equal(2, winnr('$'))
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290 set switchbuf=usetab
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diff changeset
291 tabnew
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diff changeset
292 sbuf Xfile
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diff changeset
293 call assert_equal(1, tabpagenr())
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294 call assert_equal(2, tabpagenr('$'))
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295 set switchbuf&
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diff changeset
296 %bw
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297 endfunc
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diff changeset
298
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diff changeset
299 " Test for BufAdd autocommand wiping out the buffer
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diff changeset
300 func Test_bufadd_autocmd_bwipe()
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301 %bw!
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302 augroup BufAdd_Wipe
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303 au!
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diff changeset
304 autocmd BufAdd Xfile %bw!
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diff changeset
305 augroup END
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diff changeset
306 edit Xfile
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diff changeset
307 call assert_equal('', @%)
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diff changeset
308 call assert_equal(0, bufexists('Xfile'))
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diff changeset
309 augroup BufAdd_Wipe
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310 au!
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311 augroup END
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diff changeset
312 augroup! BufAdd_Wipe
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313 endfunc
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diff changeset
314
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diff changeset
315 " Test for trying to load a buffer with text locked
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diff changeset
316 " <C-\>e in the command line is used to lock the text
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diff changeset
317 func Test_load_buf_with_text_locked()
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diff changeset
318 new Xfile1
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diff changeset
319 edit Xfile2
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diff changeset
320 let cmd = ":\<C-\>eexecute(\"normal \<C-O>\")\<CR>\<C-C>"
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diff changeset
321 call assert_fails("call feedkeys(cmd, 'xt')", 'E565:')
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diff changeset
322 %bw!
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diff changeset
323 endfunc
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diff changeset
324
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diff changeset
325 " Test for using CTRL-^ to edit the alternative file keeping the cursor
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diff changeset
326 " position with 'nostartofline'. Also test using the 'buf' command.
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diff changeset
327 func Test_buffer_edit_altfile()
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diff changeset
328 call writefile(repeat(['one two'], 50), 'Xfile1')
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diff changeset
329 call writefile(repeat(['five six'], 50), 'Xfile2')
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diff changeset
330 set nosol
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diff changeset
331 edit Xfile1
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diff changeset
332 call cursor(25, 5)
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diff changeset
333 edit Xfile2
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diff changeset
334 call cursor(30, 4)
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diff changeset
335 exe "normal \<C-^>"
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diff changeset
336 call assert_equal([0, 25, 5, 0], getpos('.'))
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diff changeset
337 exe "normal \<C-^>"
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diff changeset
338 call assert_equal([0, 30, 4, 0], getpos('.'))
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diff changeset
339 buf Xfile1
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diff changeset
340 call assert_equal([0, 25, 5, 0], getpos('.'))
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diff changeset
341 buf Xfile2
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diff changeset
342 call assert_equal([0, 30, 4, 0], getpos('.'))
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diff changeset
343 set sol&
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diff changeset
344 call delete('Xfile1')
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diff changeset
345 call delete('Xfile2')
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diff changeset
346 endfunc
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diff changeset
347
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diff changeset
348 " Test for running the :sball command with a maximum window count and a
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diff changeset
349 " modified buffer
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diff changeset
350 func Test_sball_with_count()
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diff changeset
351 %bw!
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diff changeset
352 edit Xfile1
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diff changeset
353 call setline(1, ['abc'])
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diff changeset
354 new Xfile2
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diff changeset
355 new Xfile3
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diff changeset
356 new Xfile4
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diff changeset
357 2sball
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diff changeset
358 call assert_equal(bufnr('Xfile4'), winbufnr(1))
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diff changeset
359 call assert_equal(bufnr('Xfile1'), winbufnr(2))
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diff changeset
360 call assert_equal(0, getbufinfo('Xfile2')[0].loaded)
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diff changeset
361 call assert_equal(0, getbufinfo('Xfile3')[0].loaded)
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diff changeset
362 %bw!
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diff changeset
363 endfunc
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diff changeset
364
22707
9ff187b1652e patch 8.2.1902: default option values changed with :badd for existing buffer
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diff changeset
365 func Test_badd_options()
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diff changeset
366 new SomeNewBuffer
22709
ecf0a8d6d4df patch 8.2.1903: buffer test fails with normal features
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diff changeset
367 setlocal numberwidth=3
22707
9ff187b1652e patch 8.2.1902: default option values changed with :badd for existing buffer
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diff changeset
368 wincmd p
22711
92f221ad267c patch 8.2.1904: still using default option values after using ":badd +1"
Bram Moolenaar <Bram@vim.org>
parents: 22709
diff changeset
369 badd +1 SomeNewBuffer
22707
9ff187b1652e patch 8.2.1902: default option values changed with :badd for existing buffer
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diff changeset
370 new SomeNewBuffer
22709
ecf0a8d6d4df patch 8.2.1903: buffer test fails with normal features
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diff changeset
371 call assert_equal(3, &numberwidth)
22707
9ff187b1652e patch 8.2.1902: default option values changed with :badd for existing buffer
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diff changeset
372 close
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diff changeset
373 close
9ff187b1652e patch 8.2.1902: default option values changed with :badd for existing buffer
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diff changeset
374 bwipe! SomeNewBuffer
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diff changeset
375 endfunc
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diff changeset
376
22840
7c1e2e3f2d8d patch 8.2.1967: the session file does not restore the alternate file
Bram Moolenaar <Bram@vim.org>
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diff changeset
377 func Test_balt()
7c1e2e3f2d8d patch 8.2.1967: the session file does not restore the alternate file
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diff changeset
378 new SomeNewBuffer
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diff changeset
379 balt +3 OtherBuffer
7c1e2e3f2d8d patch 8.2.1967: the session file does not restore the alternate file
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parents: 22711
diff changeset
380 e #
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diff changeset
381 call assert_equal('OtherBuffer', bufname())
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diff changeset
382 endfunc
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diff changeset
383
19370
02111977dd05 patch 8.2.0243: insufficient code coverage for ex_docmd.c functions
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
384 " vim: shiftwidth=2 sts=2 expandtab