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annotate src/testdir/test_timers.vim @ 17159:3fd0765f454f v8.1.1579

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patch 8.1.1579: dict and list could be GC'ed while displaying error commit https://github.com/vim/vim/commit/adc6714aac20f5462a0ecec50ab4806b2f3ab0db Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 22 01:40:42 2019 +0200 patch 8.1.1579: dict and list could be GC'ed while displaying error Problem: Dict and list could be GC'ed while displaying error in a timer. (Yasuhiro Matsumoto) Solution: Block garbage collection when executing a timer. Add test_garbagecollect_soon(). Add "no_wait_return" to test_override(). (closes #4571)
author Bram Moolenaar <Bram@vim.org>
date Sat, 22 Jun 2019 01:45:05 +0200
parents 8e9e9124c7a2
children 7927cf327396
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1 " Test for timers
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3 source check.vim
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4 CheckFeature timers
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6 source shared.vim
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7 source screendump.vim
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8
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9 func MyHandler(timer)
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10 let g:val += 1
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11 endfunc
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12
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13 func MyHandlerWithLists(lists, timer)
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14 let x = string(a:lists)
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15 endfunc
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16
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17 func Test_oneshot()
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18 let g:val = 0
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19 let timer = timer_start(50, 'MyHandler')
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20 let slept = WaitFor('g:val == 1')
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21 call assert_equal(1, g:val)
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22 if has('reltime')
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23 call assert_inrange(49, 100, slept)
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24 else
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25 call assert_inrange(20, 100, slept)
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26 endif
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27 endfunc
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29 func Test_repeat_three()
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30 let g:val = 0
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31 let timer = timer_start(50, 'MyHandler', {'repeat': 3})
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32 let slept = WaitFor('g:val == 3')
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33 call assert_equal(3, g:val)
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34 if has('reltime')
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35 call assert_inrange(149, 250, slept)
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36 else
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37 call assert_inrange(80, 200, slept)
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38 endif
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39 endfunc
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41 func Test_repeat_many()
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42 let g:val = 0
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43 let timer = timer_start(50, 'MyHandler', {'repeat': -1})
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44 sleep 200m
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45 call timer_stop(timer)
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46 call assert_inrange(2, 4, g:val)
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47 endfunc
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49 func Test_with_partial_callback()
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50 let g:val = 0
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51 let meow = {'one': 1}
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52 function meow.bite(...)
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53 let g:val += self.one
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54 endfunction
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55
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56 call timer_start(50, meow.bite)
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57 let slept = WaitFor('g:val == 1')
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58 call assert_equal(1, g:val)
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59 if has('reltime')
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60 call assert_inrange(49, 130, slept)
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61 else
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62 call assert_inrange(20, 100, slept)
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63 endif
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64 endfunc
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66 func Test_retain_partial()
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67 call timer_start(50, function('MyHandlerWithLists', [['a']]))
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68 call test_garbagecollect_now()
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69 sleep 100m
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70 endfunc
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71
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72 func Test_info()
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73 let id = timer_start(1000, 'MyHandler')
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74 let info = timer_info(id)
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75 call assert_equal(id, info[0]['id'])
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76 call assert_equal(1000, info[0]['time'])
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77 call assert_true(info[0]['remaining'] > 500)
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78 call assert_true(info[0]['remaining'] <= 1000)
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79 call assert_equal(1, info[0]['repeat'])
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80 call assert_equal("function('MyHandler')", string(info[0]['callback']))
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81
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82 let found = 0
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83 for info in timer_info()
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84 if info['id'] == id
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85 let found += 1
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86 endif
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87 endfor
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88 call assert_equal(1, found)
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89
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90 call timer_stop(id)
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91 call assert_equal([], timer_info(id))
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92 endfunc
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93
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94 func Test_stopall()
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95 let id1 = timer_start(1000, 'MyHandler')
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96 let id2 = timer_start(2000, 'MyHandler')
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97 let info = timer_info()
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98 call assert_equal(2, len(info))
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99
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100 call timer_stopall()
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101 let info = timer_info()
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102 call assert_equal(0, len(info))
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103 endfunc
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104
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105 func Test_paused()
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106 let g:val = 0
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107
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108 let id = timer_start(50, 'MyHandler')
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109 let info = timer_info(id)
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110 call assert_equal(0, info[0]['paused'])
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111
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112 call timer_pause(id, 1)
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113 let info = timer_info(id)
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114 call assert_equal(1, info[0]['paused'])
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115 sleep 100m
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116 call assert_equal(0, g:val)
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117
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118 call timer_pause(id, 0)
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119 let info = timer_info(id)
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120 call assert_equal(0, info[0]['paused'])
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121
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122 let slept = WaitFor('g:val == 1')
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123 call assert_equal(1, g:val)
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124 if has('reltime')
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125 if has('mac')
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126 " The travis Mac machines appear to be very busy.
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127 call assert_inrange(0, 50, slept)
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128 else
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129 call assert_inrange(0, 30, slept)
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130 endif
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131 else
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132 call assert_inrange(0, 10, slept)
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133 endif
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134 endfunc
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135
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136 func StopMyself(timer)
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137 let g:called += 1
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138 if g:called == 2
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139 call timer_stop(a:timer)
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140 endif
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141 endfunc
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142
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143 func Test_delete_myself()
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144 let g:called = 0
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145 let t = timer_start(10, 'StopMyself', {'repeat': -1})
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146 call WaitForAssert({-> assert_equal(2, g:called)})
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147 call assert_equal(2, g:called)
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148 call assert_equal([], timer_info(t))
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149 endfunc
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150
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151 func StopTimer1(timer)
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152 let g:timer2 = timer_start(10, 'StopTimer2')
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153 " avoid maxfuncdepth error
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154 call timer_pause(g:timer1, 1)
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155 sleep 40m
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156 endfunc
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157
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158 func StopTimer2(timer)
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159 call timer_stop(g:timer1)
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160 endfunc
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161
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162 func Test_stop_in_callback()
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163 let g:timer1 = timer_start(10, 'StopTimer1')
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164 sleep 40m
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165 endfunc
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166
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167 func StopTimerAll(timer)
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168 call timer_stopall()
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169 endfunc
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170
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171 func Test_stop_all_in_callback()
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172 let g:timer1 = timer_start(10, 'StopTimerAll')
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173 let info = timer_info()
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174 call assert_equal(1, len(info))
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175 sleep 40m
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176 let info = timer_info()
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177 call assert_equal(0, len(info))
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178 endfunc
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179
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180 func FeedkeysCb(timer)
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181 call feedkeys("hello\<CR>", 'nt')
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182 endfunc
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183
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184 func InputCb(timer)
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185 call timer_start(10, 'FeedkeysCb')
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186 let g:val = input('?')
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187 call Resume()
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188 endfunc
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189
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190 func Test_input_in_timer()
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191 let g:val = ''
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192 call timer_start(10, 'InputCb')
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193 call Standby(1000)
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194 call assert_equal('hello', g:val)
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195 endfunc
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196
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197 func FuncWithError(timer)
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198 let g:call_count += 1
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199 if g:call_count == 4
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200 return
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201 endif
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202 doesnotexist
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203 endfunc
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204
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205 func Test_timer_errors()
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206 let g:call_count = 0
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207 let timer = timer_start(10, 'FuncWithError', {'repeat': -1})
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208 " Timer will be stopped after failing 3 out of 3 times.
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209 call WaitForAssert({-> assert_equal(3, g:call_count)})
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210 sleep 50m
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211 call assert_equal(3, g:call_count)
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212 endfunc
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213
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214 func FuncWithCaughtError(timer)
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215 let g:call_count += 1
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216 try
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217 doesnotexist
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218 catch
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219 " nop
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220 endtry
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221 endfunc
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222
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223 func Test_timer_catch_error()
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224 let g:call_count = 0
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225 let timer = timer_start(10, 'FuncWithCaughtError', {'repeat': 4})
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226 " Timer will not be stopped.
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227 call WaitForAssert({-> assert_equal(4, g:call_count)})
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228 sleep 50m
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229 call assert_equal(4, g:call_count)
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230 endfunc
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231
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232 func FeedAndPeek(timer)
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233 call test_feedinput('a')
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234 call getchar(1)
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235 endfunc
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236
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237 func Interrupt(timer)
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238 call test_feedinput("\<C-C>")
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239 endfunc
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240
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241 func Test_peek_and_get_char()
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242 if !has('unix') && !has('gui_running')
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243 return
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244 endif
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245 call timer_start(0, 'FeedAndPeek')
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246 let intr = timer_start(100, 'Interrupt')
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247 let c = getchar()
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248 call assert_equal(char2nr('a'), c)
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249 call timer_stop(intr)
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250 endfunc
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251
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252 func Test_getchar_zero()
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253 if has('win32') && !has('gui_running')
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254 " Console: no low-level input
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255 return
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256 endif
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257
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258 " Measure the elapsed time to avoid a hang when it fails.
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259 let start = reltime()
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260 let id = timer_start(20, {-> feedkeys('x', 'L')})
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261 let c = 0
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262 while c == 0 && reltimefloat(reltime(start)) < 0.2
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263 let c = getchar(0)
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264 sleep 10m
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265 endwhile
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266 call assert_equal('x', nr2char(c))
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267 call timer_stop(id)
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268 endfunc
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269
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270 func Test_ex_mode()
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271 " Function with an empty line.
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272 func Foo(...)
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273
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274 endfunc
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275 let timer = timer_start(40, function('g:Foo'), {'repeat':-1})
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276 " This used to throw error E749.
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277 exe "normal Qsleep 100m\rvi\r"
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278 call timer_stop(timer)
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279 endfunc
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280
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281 func Test_restore_count()
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282 if !CanRunVimInTerminal()
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283 throw 'Skipped: cannot run Vim in a terminal window'
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284 endif
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285 " Check that v:count is saved and restored, not changed by a timer.
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286 call writefile([
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287 \ 'nnoremap <expr><silent> L v:count ? v:count . "l" : "l"',
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288 \ 'func Doit(id)',
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289 \ ' normal 3j',
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290 \ 'endfunc',
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291 \ 'call timer_start(100, "Doit")',
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292 \ ], 'Xtrcscript')
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293 call writefile([
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294 \ '1-1234',
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295 \ '2-1234',
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296 \ '3-1234',
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297 \ ], 'Xtrctext')
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298 let buf = RunVimInTerminal('-S Xtrcscript Xtrctext', {})
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299
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300 " Wait for the timer to move the cursor to the third line.
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301 call WaitForAssert({-> assert_equal(3, term_getcursor(buf)[0])})
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302 call assert_equal(1, term_getcursor(buf)[1])
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303 " Now check that v:count has not been set to 3
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304 call term_sendkeys(buf, 'L')
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305 call WaitForAssert({-> assert_equal(2, term_getcursor(buf)[1])})
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diff changeset
306
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307 call StopVimInTerminal(buf)
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308 call delete('Xtrcscript')
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diff changeset
309 call delete('Xtrctext')
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310 endfunc
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311
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312 " Test that the garbage collector isn't triggered if a timer callback invokes
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diff changeset
313 " vgetc().
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diff changeset
314 func Test_nocatch_garbage_collect()
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315 " 'uptimetime. must be bigger than the timer timeout
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diff changeset
316 set ut=200
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317 call test_garbagecollect_soon()
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318 call test_override('no_wait_return', 0)
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diff changeset
319 func CauseAnError(id)
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diff changeset
320 " This will show an error and wait for Enter.
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diff changeset
321 let a = {'foo', 'bar'}
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diff changeset
322 endfunc
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323 func FeedChar(id)
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diff changeset
324 call feedkeys('x', 't')
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325 endfunc
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diff changeset
326 call timer_start(300, 'FeedChar')
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diff changeset
327 call timer_start(100, 'CauseAnError')
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diff changeset
328 let x = getchar()
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diff changeset
329
3fd0765f454f patch 8.1.1579: dict and list could be GC'ed while displaying error
Bram Moolenaar <Bram@vim.org>
parents: 17089
diff changeset
330 set ut&
3fd0765f454f patch 8.1.1579: dict and list could be GC'ed while displaying error
Bram Moolenaar <Bram@vim.org>
parents: 17089
diff changeset
331 call test_override('no_wait_return', 1)
3fd0765f454f patch 8.1.1579: dict and list could be GC'ed while displaying error
Bram Moolenaar <Bram@vim.org>
parents: 17089
diff changeset
332 delfunc CauseAnError
3fd0765f454f patch 8.1.1579: dict and list could be GC'ed while displaying error
Bram Moolenaar <Bram@vim.org>
parents: 17089
diff changeset
333 delfunc FeedChar
3fd0765f454f patch 8.1.1579: dict and list could be GC'ed while displaying error
Bram Moolenaar <Bram@vim.org>
parents: 17089
diff changeset
334 endfunc
3fd0765f454f patch 8.1.1579: dict and list could be GC'ed while displaying error
Bram Moolenaar <Bram@vim.org>
parents: 17089
diff changeset
335
9909
3ee84d270ea7 commit https://github.com/vim/vim/commit/9e4d8215d386100ab660d7d11e6620fd148b605e
Christian Brabandt <cb@256bit.org>
parents: 9822
diff changeset
336 " vim: shiftwidth=2 sts=2 expandtab