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annotate src/testdir/test_crypt.vim @ 27222:20f098f8b3e6

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Added tag v8.2.4139 for changeset 165a799b4129a922e3bbd97277a06538af75b616
author Bram Moolenaar <Bram@vim.org>
date Tue, 18 Jan 2022 21:45:03 +0100
parents 8b34c216a523
children b4c111ea83b1
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rev   line source
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1 " Tests for encryption.
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2
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3 source check.vim
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4 CheckFeature cryptv
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5
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6 let s:xxd_cmd = ''
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7 if empty($XXDPROG) && executable('..\xxd\xxd.exe')
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8 let s:xxd_cmd = '..\xxd\xxd.exe'
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9 elseif !empty($XXDPROG) && executable($XXDPROG)
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10 let s:xxd_cmd = $XXDPROG
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11 endif
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12
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13 func Common_head_only(text)
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14 " This was crashing Vim
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15 split Xtest.txt
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16 call setline(1, a:text)
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17 wq
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18 call feedkeys(":split Xtest.txt\<CR>foobar\<CR>", "tx")
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19 call delete('Xtest.txt')
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20 call assert_match('VimCrypt', getline(1))
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21 bwipe!
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22 endfunc
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24 func Test_head_only_2()
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25 call Common_head_only('VimCrypt~02!abc')
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26 endfunc
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28 func Test_head_only_3()
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29 call Common_head_only('VimCrypt~03!abc')
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30 endfunc
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31
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32 func Test_head_only_4()
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33 CheckFeature sodium
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34 call Common_head_only('VimCrypt~04!abc')
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35 endfunc
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36
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37 func Crypt_uncrypt(method)
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38 exe "set cryptmethod=" . a:method
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39 " If the blowfish test fails 'cryptmethod' will be 'zip' now.
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40 call assert_equal(a:method, &cryptmethod)
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41
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42 split Xtest.txt
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43 let text = ['01234567890123456789012345678901234567',
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44 \ 'line 2 foo bar blah',
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45 \ 'line 3 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx']
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46 call setline(1, text)
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47 call feedkeys(":X\<CR>foobar\<CR>foobar\<CR>", 'xt')
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48 call assert_equal('*****', &key)
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49 w!
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50 bwipe!
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51 call feedkeys(":split Xtest.txt\<CR>foobar\<CR>", 'xt')
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52 call assert_equal(text, getline(1, 3))
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53 set key= cryptmethod&
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54 bwipe!
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55 call delete('Xtest.txt')
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56 endfunc
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57
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58 func Test_crypt_zip()
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59 call Crypt_uncrypt('zip')
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60 endfunc
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61
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62 func Test_crypt_blowfish()
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63 call Crypt_uncrypt('blowfish')
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64 endfunc
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65
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66 func Test_crypt_blowfish2()
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67 call Crypt_uncrypt('blowfish2')
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68 endfunc
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69
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70 func Test_crypt_sodium()
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71 CheckFeature sodium
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72 call Crypt_uncrypt('xchacha20')
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73 endfunc
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74
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75 func Uncrypt_stable(method, crypted_text, key, uncrypted_text)
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76 split Xtest.txt
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77 set bin noeol key= fenc=latin1
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78 exe "set cryptmethod=" . a:method
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79 call setline(1, a:crypted_text)
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80 w!
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81 bwipe!
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82 set nobin
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83 call feedkeys(":split Xtest.txt\<CR>" . a:key . "\<CR>", 'xt')
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84 call assert_equal(a:uncrypted_text, getline(1, len(a:uncrypted_text)))
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85 bwipe!
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86 call delete('Xtest.txt')
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87 set key=
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88 endfunc
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89
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90 func Uncrypt_stable_xxd(method, hex, key, uncrypted_text)
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91 if empty(s:xxd_cmd)
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92 throw 'Skipped: xxd program missing'
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93 endif
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94 " use xxd to write the binary content
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95 call system(s:xxd_cmd .. ' -r >Xtest.txt', a:hex)
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96 call feedkeys(":split Xtest.txt\<CR>" . a:key . "\<CR>", 'xt')
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97 call assert_equal(a:uncrypted_text, getline(1, len(a:uncrypted_text)))
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98 bwipe!
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99 call delete('Xtest.txt')
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100 set key=
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101 endfunc
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102
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103 func Test_uncrypt_zip()
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104 call Uncrypt_stable('zip', "VimCrypt~01!\u0006\u001clV'\u00de}Mg\u00a0\u00ea\u00a3V\u00a9\u00e7\u0007E#3\u008e2U\u00e9\u0097", "foofoo", ["1234567890", "aábbccddeëff"])
ebbc8d21105b commit https://github.com/vim/vim/commit/177778575148e265c0e32ec2abf2d2c615f5ead5
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105 endfunc
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106
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107 func Test_uncrypt_blowfish()
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108 call Uncrypt_stable('blowfish', "VimCrypt~02!k)\u00be\u0017\u0097#\u0016\u00ddS\u009c\u00f5=\u00ba\u00e0\u00c8#\u00a5M\u00b4\u0086J\u00c3A\u00cd\u00a5M\u00b4\u0086!\u0080\u0015\u009b\u00f5\u000f\u00e1\u00d2\u0019\u0082\u0016\u0098\u00f7\u000d\u00da", "barbar", ["asdfasdfasdf", "0001112223333"])
ebbc8d21105b commit https://github.com/vim/vim/commit/177778575148e265c0e32ec2abf2d2c615f5ead5
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109 endfunc
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110
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111 func Test_uncrypt_blowfish2a()
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112 call Uncrypt_stable('blowfish', "VimCrypt~03!\u001e\u00d1N\u00e3;\u00d3\u00c0\u00a0^C)\u0004\u00f7\u007f.\u00b6\u00abF\u000eS\u0019\u00e0\u008b6\u00d2[T\u00cb\u00a7\u0085\u00d8\u00be9\u000b\u00812\u000bQ\u00b3\u00cc@\u0097\u000f\u00df\u009a\u00adIv\u00aa.\u00d8\u00c9\u00ee\u009e`\u00bd$\u00af%\u00d0", "barburp", ["abcdefghijklmnopqrstuvwxyz", "!@#$%^&*()_+=-`~"])
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113 endfunc
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114
10239
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115 func Test_uncrypt_blowfish2()
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116 call Uncrypt_stable('blowfish2', "VimCrypt~03!\u001e\u00d1N\u00e3;\u00d3\u00c0\u00a0^C)\u0004\u00f7\u007f.\u00b6\u00abF\u000eS\u0019\u00e0\u008b6\u00d2[T\u00cb\u00a7\u0085\u00d8\u00be9\u000b\u00812\u000bQ\u00b3\u00cc@\u0097\u000f\u00df\u009a\u00adIv\u00aa.\u00d8\u00c9\u00ee\u009e`\u00bd$\u00af%\u00d0", "barburp", ["abcdefghijklmnopqrstuvwxyz", "!@#$%^&*()_+=-`~"])
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117 endfunc
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118
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119 func Test_uncrypt_xchacha20()
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120 CheckFeature sodium
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121 let hex=['00000000: 5669 6d43 7279 7074 7e30 3421 6b7d e607 vimCrypt~04!k}..',
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122 \ '00000010: 4ea4 e99f 923e f67f 7b59 a80d 3bca 2f06 N....>..{Y..;./.',
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123 \ '00000020: fa11 b951 8d09 0dc9 470f e7cf 8b90 4310 ...Q....G.....C.',
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124 \ '00000030: 653b b83b e493 378b 0390 0e38 f912 626b e;.;..7....8..bk',
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125 \ '00000040: a02e 4697 0254 2625 2d8e 3a0b 784b e89c ..F..T&%-.:.xK..',
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126 \ '00000050: 0c67 a975 3c17 9319 8ffd 1463 7783 a1f3 .g.u<......cw...',
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127 \ '00000060: d917 dcb3 8b3e ecd7 c7d4 086b 6059 7ead .....>.....k`Y~.',
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128 \ '00000070: 9b07 f96b 5c1b 4d08 cd91 f208 5221 7484 ...k\.M.....R!t.',
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129 \ '00000080: 72be 0136 84a1 d3 r..6...']
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130 " the file should be in latin1 encoding, this makes sure that readfile()
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131 " retries several times converting the multi-byte characters
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132 call Uncrypt_stable_xxd('xchacha20', hex, "sodium_crypt", ["abcdefghijklmnopqrstuvwxyzäöü", "ZZZ_äüöÄÜÖ_!@#$%^&*()_+=-`~"])
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133 endfunc
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134
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135 func Test_uncrypt_xchacha20_invalid()
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136 CheckFeature sodium
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137
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138 " load an invalid encrypted file and verify it can be decrypted with an
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139 " error message
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140 try
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141 call feedkeys(":split samples/crypt_sodium_invalid.txt\<CR>sodium\<CR>", 'xt')
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142 call assert_false(1, 'should not happen')
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143 catch
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144 call assert_exception('pre-mature')
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145 endtry
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146 call assert_match("Note: Encryption of swapfile not supported, disabling swap file", execute(':5messages'))
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147
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148 call assert_equal(0, &swapfile)
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149 call assert_equal("xchacha20", &cryptmethod)
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150 call assert_equal('311111111111111111111111', getline('$'))
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151 bw!
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152 endfunc
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153
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154 func Test_uncrypt_xchacha20_2()
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155 CheckFeature sodium
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156
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157 sp Xcrypt_sodium.txt
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158 " Create a larger file, so that Vim will write in several blocks
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159 call setline(1, range(1,4000))
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160 call assert_equal(1, &swapfile)
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161 set cryptmethod=xchacha20
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162 call feedkeys(":X\<CR>sodium\<CR>sodium\<CR>", 'xt')
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163 " swapfile disabled
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164 call assert_equal(0, &swapfile)
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165 call assert_match("Note: Encryption of swapfile not supported, disabling swap file", execute(':messages'))
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166 w!
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167 " encrypted using xchacha20
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168 call assert_match("\[xchacha20\]", execute(':messages'))
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169 bw!
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170 call feedkeys(":sp Xcrypt_sodium.txt\<CR>sodium\<CR>", 'xt')
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171 " successfully decrypted
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172 call assert_equal(range(1, 4000)->map( {_, v -> string(v)}), getline(1,'$'))
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173 set key=
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174 w! ++ff=unix
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175 " enryption removed (on MS-Windows the .* matches [unix])
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176 call assert_match('"Xcrypt_sodium.txt".*4000L, 18893B written', execute(':message'))
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177 bw!
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178 call delete('Xcrypt_sodium.txt')
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179 set cryptmethod&vim
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180 endfunc
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181
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182 func Test_uncrypt_xchacha20_3_persistent_undo()
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183 CheckFeature sodium
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184 CheckFeature persistent_undo
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185
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186 sp Xcrypt_sodium_undo.txt
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187 set cryptmethod=xchacha20 undofile
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188 call feedkeys(":X\<CR>sodium\<CR>sodium\<CR>", 'xt')
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189 call assert_equal(1, &undofile)
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190 let ufile=undofile(@%)
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191 call append(0, ['monday', 'tuesday', 'wednesday', 'thursday', 'friday'])
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192 call cursor(1, 1)
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193
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194 set undolevels=100
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195 normal dd
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196 set undolevels=100
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197 normal dd
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198 set undolevels=100
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199 normal dd
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200 set undolevels=100
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201 w!
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202 call assert_equal(0, &undofile)
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203 bw!
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204 call feedkeys(":sp Xcrypt_sodium_undo.txt\<CR>sodium\<CR>", 'xt')
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205 " should fail
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206 norm! u
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207 call assert_match('Already at oldest change', execute(':1mess'))
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diff changeset
208 call assert_fails('verbose rundo ' .. fnameescape(ufile), 'E822')
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209 bw!
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210 set undolevels& cryptmethod& undofile&
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211 call delete('Xcrypt_sodium_undo.txt')
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212 endfunc
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213
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214 func Test_encrypt_xchacha20_missing()
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215 if has("sodium")
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216 return
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217 endif
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218 sp Xcrypt_sodium_undo.txt
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219 call assert_fails(':set cryptmethod=xchacha20', 'E474')
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220 bw!
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221 set cm&
10239
ebbc8d21105b commit https://github.com/vim/vim/commit/177778575148e265c0e32ec2abf2d2c615f5ead5
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222 endfunc
15531
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223
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224 func Test_uncrypt_unknown_method()
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225 split Xuncrypt_unknown.txt
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226 set bin noeol key= fenc=latin1
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227 call setline(1, "VimCrypt~93!\u001e\u00d1")
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228 w!
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229 bwipe!
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230 set nobin
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231 call assert_fails(":split Xuncrypt_unknown.txt", 'E821:')
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232
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233 bwipe!
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234 call delete('Xuncrypt_unknown.txt')
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235 set key=
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236 endfunc
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237
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238 func Test_crypt_key_mismatch()
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239 set cryptmethod=blowfish
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240
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241 split Xtest.txt
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242 call setline(1, 'nothing')
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243 call feedkeys(":X\<CR>foobar\<CR>nothing\<CR>", 'xt')
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244 call assert_match("Keys don't match!", execute(':2messages'))
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245 call assert_equal('', &key)
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246 call feedkeys("\<CR>\<CR>", 'xt')
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247
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248 set cryptmethod&
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249 bwipe!
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250 endfunc
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251
20415
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252 func Test_crypt_set_key_changes_buffer()
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253
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254 new Xtest1.txt
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255 call setline(1, 'nothing')
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256 set cryptmethod=blowfish2
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257 call feedkeys(":X\<CR>foobar\<CR>foobar\<CR>", 'xt')
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258 call assert_fails(":q", "E37:")
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259 w
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260 set key=anotherkey
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261 call assert_fails(":bw")
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262 w
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263 call feedkeys(":X\<CR>foobar\<CR>foobar\<CR>", 'xt')
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264 call assert_fails(":bw")
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diff changeset
265 w
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266 let winnr = winnr()
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267 wincmd p
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268 call setwinvar(winnr, '&key', 'yetanotherkey')
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269 wincmd p
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270 call assert_fails(":bw")
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diff changeset
271 w
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diff changeset
272
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273 set cryptmethod&
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274 set key=
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275 bwipe!
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276 call delete('Xtest1.txt')
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diff changeset
277 endfunc
21765
08940efa6b4e patch 8.2.1432: various inconsistencies in test files
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278
08940efa6b4e patch 8.2.1432: various inconsistencies in test files
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diff changeset
279 " vim: shiftwidth=2 sts=2 expandtab