Mercurial > vim

annotate src/testdir/test_channel.vim @ 8094:18a3f0f05244 v7.4.1341

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commit https://github.com/vim/vim/commit/910b8aac5dc4693c4508b7acd2cef0bbfac04242 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 16 21:03:07 2016 +0100 patch 7.4.1341 Problem: It's difficult to add more arguments to ch_sendraw() and ch_sendexpr(). Solution: Make the third option a dictionary.
author Christian Brabandt <cb@256bit.org>
date Tue, 16 Feb 2016 21:15:05 +0100
parents 3ea56a74077f
children 882ba5080c5c
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1 " Test for channel functions.
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2 scriptencoding utf-8
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3
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4 if !has('channel')
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5 finish
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6 endif
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7
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8 " This test requires the Python command to run the test server.
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9 " This most likely only works on Unix and Windows.
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10 if has('unix')
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11 " We also need the job feature or the pkill command to make sure the server
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12 " can be stopped.
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13 if !(executable('python') && (has('job') || executable('pkill')))
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14 finish
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15 endif
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16 let s:python = 'python'
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17 elseif has('win32')
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18 " Use Python Launcher for Windows (py.exe) if available.
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19 if executable('py.exe')
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20 let s:python = 'py.exe'
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21 elseif executable('python.exe')
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22 let s:python = 'python.exe'
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23 else
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24 finish
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25 endif
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26 else
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27 " Can't run this test.
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28 finish
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29 endif
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31 let s:chopt = has('osx') ? {'waittime' : 1} : {}
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32
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33 " Run "testfunc" after sarting the server and stop the server afterwards.
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34 func s:run_server(testfunc)
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35 " The Python program writes the port number in Xportnr.
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36 call delete("Xportnr")
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37
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38 try
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39 if has('job')
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40 let s:job = job_start(s:python . " test_channel.py")
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41 elseif has('win32')
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42 exe 'silent !start cmd /c start "test_channel" ' . s:python . ' test_channel.py'
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43 else
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44 exe 'silent !' . s:python . ' test_channel.py&'
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45 endif
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46
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47 " Wait for up to 2 seconds for the port number to be there.
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48 let cnt = 20
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49 let l = []
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50 while cnt > 0
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51 try
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52 let l = readfile("Xportnr")
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53 catch
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54 endtry
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55 if len(l) >= 1
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56 break
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57 endif
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58 sleep 100m
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59 let cnt -= 1
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60 endwhile
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61 call delete("Xportnr")
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62
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63 if len(l) == 0
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64 " Can't make the connection, give up.
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65 call assert_false(1, "Can't start test_channel.py")
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66 return -1
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67 endif
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68 let port = l[0]
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69
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70 call call(function(a:testfunc), [port])
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71 catch
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72 call assert_false(1, "Caught exception: " . v:exception)
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73 finally
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74 call s:kill_server()
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75 endtry
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76 endfunc
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77
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78 func s:kill_server()
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79 if has('job')
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80 if exists('s:job')
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81 call job_stop(s:job)
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82 unlet s:job
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83 endif
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84 elseif has('win32')
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85 call system('taskkill /IM ' . s:python . ' /T /F /FI "WINDOWTITLE eq test_channel"')
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86 else
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87 call system("pkill -f test_channel.py")
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88 endif
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89 endfunc
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90
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91 let s:responseMsg = ''
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92 func s:RequestHandler(handle, msg)
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93 let s:responseHandle = a:handle
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94 let s:responseMsg = a:msg
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95 endfunc
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96
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97 func s:communicate(port)
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98 let handle = ch_open('localhost:' . a:port, s:chopt)
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99 if ch_status(handle) == "fail"
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100 call assert_false(1, "Can't open channel")
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101 return
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102 endif
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103
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104 " Simple string request and reply.
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105 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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106
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107 " Request that triggers sending two ex commands. These will usually be
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108 " handled before getting the response, but it's not guaranteed, thus wait a
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109 " tiny bit for the commands to get executed.
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110 call assert_equal('ok', ch_sendexpr(handle, 'make change'))
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111 sleep 10m
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112 call assert_equal('added1', getline(line('$') - 1))
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113 call assert_equal('added2', getline('$'))
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114
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115 call assert_equal('ok', ch_sendexpr(handle, 'do normal'))
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116 sleep 10m
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117 call assert_equal('added more', getline('$'))
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118
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119 " Send a request with a specific handler.
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120 call ch_sendexpr(handle, 'hello!', {'callback': 's:RequestHandler'})
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121 sleep 10m
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122 if !exists('s:responseHandle')
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123 call assert_false(1, 's:responseHandle was not set')
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124 else
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125 call assert_equal(handle, s:responseHandle)
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126 endif
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127 call assert_equal('got it', s:responseMsg)
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128
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129 unlet s:responseHandle
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130 let s:responseMsg = ''
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131 call ch_sendexpr(handle, 'hello!', {'callback': function('s:RequestHandler')})
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132 sleep 10m
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133 if !exists('s:responseHandle')
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134 call assert_false(1, 's:responseHandle was not set')
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135 else
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136 call assert_equal(handle, s:responseHandle)
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137 endif
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138 call assert_equal('got it', s:responseMsg)
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139
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140 " Send an eval request that works.
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141 call assert_equal('ok', ch_sendexpr(handle, 'eval-works'))
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142 sleep 10m
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143 call assert_equal([-1, 'foo123'], ch_sendexpr(handle, 'eval-result'))
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144
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145 " Send an eval request that fails.
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146 call assert_equal('ok', ch_sendexpr(handle, 'eval-fails'))
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147 sleep 10m
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148 call assert_equal([-2, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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149
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150 " Send an eval request that works but can't be encoded.
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151 call assert_equal('ok', ch_sendexpr(handle, 'eval-error'))
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152 sleep 10m
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153 call assert_equal([-3, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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154
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155 " Send a bad eval request. There will be no response.
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156 call assert_equal('ok', ch_sendexpr(handle, 'eval-bad'))
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157 sleep 10m
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158 call assert_equal([-3, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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159
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160 " Send an expr request
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161 call assert_equal('ok', ch_sendexpr(handle, 'an expr'))
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162 sleep 10m
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163 call assert_equal('one', getline(line('$') - 2))
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164 call assert_equal('two', getline(line('$') - 1))
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165 call assert_equal('three', getline('$'))
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166
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167 " Request a redraw, we don't check for the effect.
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168 call assert_equal('ok', ch_sendexpr(handle, 'redraw'))
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169 call assert_equal('ok', ch_sendexpr(handle, 'redraw!'))
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170
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171 call assert_equal('ok', ch_sendexpr(handle, 'empty-request'))
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172
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173 " make the server quit, can't check if this works, should not hang.
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174 call ch_sendexpr(handle, '!quit!', {'callback': 0})
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175 endfunc
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176
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177 func Test_communicate()
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178 call s:run_server('s:communicate')
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179 endfunc
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180
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181 " Test that we can open two channels.
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182 func s:two_channels(port)
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183 let handle = ch_open('localhost:' . a:port, s:chopt)
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184 if ch_status(handle) == "fail"
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185 call assert_false(1, "Can't open channel")
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186 return
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187 endif
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188
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189 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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190
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191 let newhandle = ch_open('localhost:' . a:port, s:chopt)
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192 if ch_status(newhandle) == "fail"
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193 call assert_false(1, "Can't open second channel")
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194 return
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195 endif
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196 call assert_equal('got it', ch_sendexpr(newhandle, 'hello!'))
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197 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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198
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199 call ch_close(handle)
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200 call assert_equal('got it', ch_sendexpr(newhandle, 'hello!'))
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201
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202 call ch_close(newhandle)
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203 endfunc
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204
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205 func Test_two_channels()
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206 call s:run_server('s:two_channels')
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207 endfunc
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208
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209 " Test that a server crash is handled gracefully.
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210 func s:server_crash(port)
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211 let handle = ch_open('localhost:' . a:port, s:chopt)
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212 if ch_status(handle) == "fail"
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213 call assert_false(1, "Can't open channel")
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214 return
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215 endif
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216
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217 call ch_sendexpr(handle, '!crash!')
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218
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219 sleep 10m
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220 endfunc
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221
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222 func Test_server_crash()
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223 call s:run_server('s:server_crash')
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224 endfunc
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225
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226 let s:reply = ""
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227 func s:Handler(chan, msg)
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228 unlet s:reply
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229 let s:reply = a:msg
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230 endfunc
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231
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232 func s:channel_handler(port)
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233 let handle = ch_open('localhost:' . a:port, s:chopt)
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234 if ch_status(handle) == "fail"
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235 call assert_false(1, "Can't open channel")
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236 return
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237 endif
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238
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239 " Test that it works while waiting on a numbered message.
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240 call assert_equal('ok', ch_sendexpr(handle, 'call me'))
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241 sleep 10m
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242 call assert_equal('we called you', s:reply)
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243
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244 " Test that it works while not waiting on a numbered message.
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245 call ch_sendexpr(handle, 'call me again', {'callback': 0})
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246 sleep 10m
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247 call assert_equal('we did call you', s:reply)
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248 endfunc
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249
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250 func Test_channel_handler()
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251 let s:chopt.callback = 's:Handler'
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252 call s:run_server('s:channel_handler')
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253 let s:chopt.callback = function('s:Handler')
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254 call s:run_server('s:channel_handler')
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255 unlet s:chopt.callback
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256 endfunc
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257
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258 " Test that trying to connect to a non-existing port fails quickly.
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259 func Test_connect_waittime()
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260 if !has('unix')
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261 " TODO: Make this work again for MS-Windows.
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262 return
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263 endif
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264 let start = reltime()
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265 let handle = ch_open('localhost:9876', s:chopt)
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266 if ch_status(handle) == "fail"
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267 " Oops, port does exists.
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268 call ch_close(handle)
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269 else
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270 let elapsed = reltime(start)
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271 call assert_true(reltimefloat(elapsed) < 1.0)
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272 endif
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273
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274 let start = reltime()
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275 let handle = ch_open('localhost:9867', {'waittime': 2000})
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276 if ch_status(handle) != "fail"
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277 " Oops, port does exists.
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278 call ch_close(handle)
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279 else
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280 " Failed connection doesn't wait the full time on Unix.
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281 " TODO: why is MS-Windows different?
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282 let elapsed = reltime(start)
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283 call assert_true(reltimefloat(elapsed) < (has('unix') ? 1.0 : 3.0))
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284 endif
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285 endfunc
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286
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287 func Test_raw_pipe()
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288 if !has('job')
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289 return
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290 endif
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291 let job = job_start(s:python . " test_channel_pipe.py", {'mode': 'raw'})
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292 call assert_equal("run", job_status(job))
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293 try
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294 let handle = job_getchannel(job)
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295 call ch_sendraw(handle, "echo something\n", {'callback': 0})
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296 let msg = ch_readraw(handle)
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297 call assert_equal("something\n", substitute(msg, "\r", "", 'g'))
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298
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299 call ch_sendraw(handle, "double this\n", {'callback': 0})
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300 let msg = ch_readraw(handle)
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301 call assert_equal("this\nAND this\n", substitute(msg, "\r", "", 'g'))
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302
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303 let reply = ch_sendraw(handle, "quit\n")
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304 call assert_equal("Goodbye!\n", substitute(reply, "\r", "", 'g'))
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305 finally
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306 call job_stop(job)
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307 endtry
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308 endfunc
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309
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310 func Test_nl_pipe()
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311 if !has('job')
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312 return
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313 endif
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314 let job = job_start(s:python . " test_channel_pipe.py")
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315 call assert_equal("run", job_status(job))
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316 try
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317 let handle = job_getchannel(job)
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318 call ch_sendraw(handle, "echo something\n", {'callback': 0})
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319 call assert_equal("something", ch_readraw(handle))
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320
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321 call ch_sendraw(handle, "double this\n", {'callback': 0})
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322 call assert_equal("this", ch_readraw(handle))
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323 call assert_equal("AND this", ch_readraw(handle))
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324
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325 let reply = ch_sendraw(handle, "quit\n")
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326 call assert_equal("Goodbye!", reply)
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327 finally
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328 call job_stop(job)
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329 endtry
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330 endfunc
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331
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332 """"""""""
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333
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334 let s:unletResponse = ''
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335 func s:UnletHandler(handle, msg)
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336 let s:unletResponse = a:msg
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337 unlet s:channelfd
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338 endfunc
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339
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340 " Test that "unlet handle" in a handler doesn't crash Vim.
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341 func s:unlet_handle(port)
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342 let s:channelfd = ch_open('localhost:' . a:port, s:chopt)
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343 call ch_sendexpr(s:channelfd, "test", {'callback': function('s:UnletHandler')})
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344 sleep 10m
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345 call assert_equal('what?', s:unletResponse)
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346 endfunc
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347
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348 func Test_unlet_handle()
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349 call s:run_server('s:unlet_handle')
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350 endfunc
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351
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352 """"""""""
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353
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354 let s:unletResponse = ''
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355 func s:CloseHandler(handle, msg)
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356 let s:unletResponse = a:msg
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357 call ch_close(s:channelfd)
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358 endfunc
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359
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360 " Test that "unlet handle" in a handler doesn't crash Vim.
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361 func s:close_handle(port)
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362 let s:channelfd = ch_open('localhost:' . a:port, s:chopt)
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363 call ch_sendexpr(s:channelfd, "test", {'callback': function('s:CloseHandler')})
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364 sleep 10m
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365 call assert_equal('what?', s:unletResponse)
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366 endfunc
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367
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368 func Test_close_handle()
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369 call s:run_server('s:close_handle')
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370 endfunc
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371
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372 """"""""""
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373
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374 func Test_open_fail()
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375 silent! let ch = ch_open("noserver")
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376 echo ch
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377 let d = ch
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378 endfunc