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annotate src/testdir/test_signals.vim @ 30912:f22e31128548 v9.0.0790

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patch 9.0.0790: test for dummy buffer does not always produce the E86 error Commit: https://github.com/vim/vim/commit/53c5c9f50ca68d3ed559eebb2c5f7d23f39a768c Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 18 17:25:03 2022 +0100 patch 9.0.0790: test for dummy buffer does not always produce the E86 error Problem: Test for dummy buffer does not always produce the E86 error. Solution: Do not check if the error is produced.
author Bram Moolenaar <Bram@vim.org>
date Tue, 18 Oct 2022 18:30:03 +0200
parents ae10b91ac6b3
children dbec60b8c253
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 " Test signal handling.
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2
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3 source check.vim
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4 source term_util.vim
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5
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6 CheckUnix
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7
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8 source shared.vim
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9
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10 " Check whether a signal is available on this system.
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11 func HasSignal(signal)
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12 let signals = system('kill -l')
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13 return signals =~# '\<' .. a:signal .. '\>'
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14 endfunc
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15
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16 " Test signal WINCH (window resize signal)
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17 func Test_signal_WINCH()
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18 CheckNotGui
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19 if !HasSignal('WINCH')
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20 throw 'Skipped: WINCH signal not supported'
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21 endif
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22
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23 " We do not actually want to change the size of the terminal.
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24 let old_WS = ''
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25 if exists('&t_WS')
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26 let old_WS = &t_WS
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27 let &t_WS = ''
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28 endif
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29
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30 let old_lines = &lines
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31 let old_columns = &columns
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32 let new_lines = &lines - 2
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33 let new_columns = &columns - 2
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34
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35 exe 'set lines=' .. new_lines
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36 exe 'set columns=' .. new_columns
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37 call assert_equal(new_lines, &lines)
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38 call assert_equal(new_columns, &columns)
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39
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40 " Send signal and wait for signal to be processed.
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41 " 'lines' and 'columns' should have been restored
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42 " after handing signal WINCH.
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43 exe 'silent !kill -s WINCH ' .. getpid()
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44 call WaitForAssert({-> assert_equal(old_lines, &lines)})
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45 call assert_equal(old_columns, &columns)
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46
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47 if old_WS != ''
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48 let &t_WS = old_WS
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49 endif
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50 endfunc
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51
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52 " Test signal PWR, which should update the swap file.
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53 func Test_signal_PWR()
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54 if !HasSignal('PWR')
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55 throw 'Skipped: PWR signal not supported'
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56 endif
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57
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58 " Set a very large 'updatetime' and 'updatecount', so that we can be sure
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59 " that swap file is updated as a result of sending PWR signal, and not
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60 " because of exceeding 'updatetime' or 'updatecount' when changing buffer.
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61 set updatetime=100000 updatecount=100000
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62 new Xtest_signal_PWR
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63 let swap_name = swapname('%')
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64 call setline(1, '123')
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65 preserve
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66 let swap_content = readfile(swap_name, 'b')
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67
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68 " Update the buffer and check that the swap file is not yet updated,
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69 " since we set 'updatetime' and 'updatecount' to large values.
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70 call setline(1, 'abc')
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71 call assert_equal(swap_content, readfile(swap_name, 'b'))
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72
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73 " Sending PWR signal should update the swap file.
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74 exe 'silent !kill -s PWR ' .. getpid()
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75 call WaitForAssert({-> assert_notequal(swap_content, readfile(swap_name, 'b'))})
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76
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77 bwipe!
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78 set updatetime& updatecount&
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79 endfunc
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80
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81 " Test signal INT. Handler sets got_int. It should be like typing CTRL-C.
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82 func Test_signal_INT()
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83 CheckRunVimInTerminal
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84 if !HasSignal('INT')
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85 throw 'Skipped: INT signal not supported'
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86 endif
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87
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88 let buf = RunVimInTerminal('', {'rows': 6})
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89 let pid_vim = term_getjob(buf)->job_info().process
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90
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91 " Check that an endless loop in Vim is interrupted by signal INT.
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92 call term_sendkeys(buf, ":call setline(1, 'running')\n")
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93 call term_sendkeys(buf, ":while 1 | endwhile\n")
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94 call WaitForAssert({-> assert_equal(':while 1 | endwhile', term_getline(buf, 6))})
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95 exe 'silent !kill -s INT ' .. pid_vim
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96 sleep 50m
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97 call term_sendkeys(buf, ":call setline(1, 'INTERRUPTED')\n")
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98 call WaitForAssert({-> assert_equal('INTERRUPTED', term_getline(buf, 1))})
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99
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100 call StopVimInTerminal(buf)
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101 endfunc
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102
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103 " Test signal TSTP. Handler sets got_tstp.
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104 func Test_signal_TSTP()
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105 CheckRunVimInTerminal
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106 if !HasSignal('TSTP')
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107 throw 'Skipped: TSTP signal not supported'
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108 endif
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109
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110 " If test fails once, it can leave temporary files and trying to rerun
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111 " the test would then fail again if they are not deleted first.
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112 call delete('.Xsig_TERM.swp')
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113 call delete('XsetupAucmd')
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114 call delete('XautoOut1')
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115 call delete('XautoOut2')
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116 let lines =<< trim END
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117 au VimSuspend * call writefile(["VimSuspend triggered"], "XautoOut1", "as")
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118 au VimResume * call writefile(["VimResume triggered"], "XautoOut2", "as")
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119 END
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120 call writefile(lines, 'XsetupAucmd', 'D')
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121
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122 let buf = RunVimInTerminal('-S XsetupAucmd Xsig_TERM', {'rows': 6})
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123 let pid_vim = term_getjob(buf)->job_info().process
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124
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125 call term_sendkeys(buf, ":call setline(1, 'foo')\n")
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126 call WaitForAssert({-> assert_equal('foo', term_getline(buf, 1))})
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127
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128 call assert_false(filereadable('Xsig_TERM'))
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129
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130 " After TSTP the file is not saved (same function as ^Z)
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131 exe 'silent !kill -s TSTP ' .. pid_vim
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132 call WaitForAssert({-> assert_true(filereadable('.Xsig_TERM.swp'))})
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133 sleep 100m
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134
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135 " We resume after the suspend. Sleep a bit for the signal to take effect,
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136 " also when running under valgrind.
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137 exe 'silent !kill -s CONT ' .. pid_vim
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138 call WaitForAssert({-> assert_true(filereadable('XautoOut2'))})
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139 sleep 10m
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140
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141 call StopVimInTerminal(buf)
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142
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143 let result = readfile('XautoOut1')
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144 call assert_equal(["VimSuspend triggered"], result)
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145 let result = readfile('XautoOut2')
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146 call assert_equal(["VimResume triggered"], result)
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147
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148 %bwipe!
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149 call delete('.Xsig_TERM.swp')
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150 call delete('XautoOut1')
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151 call delete('XautoOut2')
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152 endfunc
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153
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154 " Test a deadly signal.
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155 "
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156 " There are several deadly signals: SISEGV, SIBUS, SIGTERM...
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157 " Test uses signal SIGTERM as it does not create a core
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158 " dump file unlike SIGSEGV, SIGBUS, etc. See "man 7 signals.
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159 "
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160 " Vim should exit with a deadly signal and unsaved changes
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161 " should be recoverable from the swap file preserved as a
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162 " result of the deadly signal handler.
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163 func Test_deadly_signal_TERM()
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164 if !HasSignal('TERM')
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165 throw 'Skipped: TERM signal not supported'
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166 endif
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167 CheckRunVimInTerminal
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168
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169 " If test fails once, it can leave temporary files and trying to rerun
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170 " the test would then fail again if they are not deleted first.
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171 call delete('.Xsig_TERM.swp')
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172 call delete('XsetupAucmd')
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173 call delete('XautoOut')
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174 let lines =<< trim END
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175 au VimLeave * call writefile(["VimLeave triggered"], "XautoOut", "as")
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176 au VimLeavePre * call writefile(["VimLeavePre triggered"], "XautoOut", "as")
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177 END
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178 call writefile(lines, 'XsetupAucmd', 'D')
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179
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180 let buf = RunVimInTerminal('-S XsetupAucmd Xsig_TERM', {'rows': 6})
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181 let pid_vim = term_getjob(buf)->job_info().process
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182
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183 call term_sendkeys(buf, ":call setline(1, 'foo')\n")
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184 call WaitForAssert({-> assert_equal('foo', term_getline(buf, 1))})
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185
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186 call assert_false(filereadable('Xsig_TERM'))
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187 exe 'silent !kill -s TERM ' .. pid_vim
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188 call WaitForAssert({-> assert_true(filereadable('.Xsig_TERM.swp'))})
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189
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190 " Don't call StopVimInTerminal() as it expects job to be still running.
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191 call WaitForAssert({-> assert_equal("finished", term_getstatus(buf))})
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192
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193 new
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194 silent recover .Xsig_TERM.swp
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195 call assert_equal(['foo'], getline(1, '$'))
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196
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197 let result = readfile('XautoOut')
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198 call assert_equal(["VimLeavePre triggered", "VimLeave triggered"], result)
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199
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200 %bwipe!
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201 call delete('.Xsig_TERM.swp')
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202 call delete('XautoOut')
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203 endfunc
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204
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205 " vim: ts=8 sw=2 sts=2 tw=80 fdm=marker