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annotate src/testdir/test_signals.vim @ 17437:5f71f12bdb8c

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Added tag v8.1.1716 for changeset e1b5c15f5fee70aaa68aa8286030cf713a403aee
author Bram Moolenaar <Bram@vim.org>
date Fri, 19 Jul 2019 23:30:05 +0200
parents 8e9e9124c7a2
children 0da9bc55c31a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Test signal handling.
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2
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3 if !has('unix')
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4 throw 'Skipped: not on Unix'
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5 endif
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6
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7 source shared.vim
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8
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9 " Check whether a signal is available on this system.
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10 func HasSignal(signal)
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11 let signals = system('kill -l')
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12 return signals =~# '\<' .. a:signal .. '\>'
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13 endfunc
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14
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15 " Test signal WINCH (window resize signal)
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16 func Test_signal_WINCH()
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17 if has('gui_running') || !HasSignal('WINCH')
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18 return
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19 endif
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20
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21 " We do not actually want to change the size of the terminal.
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22 let old_WS = ''
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23 if exists('&t_WS')
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24 let old_WS = &t_WS
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25 let &t_WS = ''
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26 endif
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27
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28 let old_lines = &lines
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29 let old_columns = &columns
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30 let new_lines = &lines - 2
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31 let new_columns = &columns - 2
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32
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33 exe 'set lines=' .. new_lines
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34 exe 'set columns=' .. new_columns
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35 call assert_equal(new_lines, &lines)
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36 call assert_equal(new_columns, &columns)
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37
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38 " Send signal and wait for signal to be processed.
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39 " 'lines' and 'columns' should have been restored
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40 " after handing signal WINCH.
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41 exe 'silent !kill -s WINCH ' .. getpid()
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42 call WaitForAssert({-> assert_equal(old_lines, &lines)})
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43 call assert_equal(old_columns, &columns)
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44
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45 if old_WS != ''
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46 let &t_WS = old_WS
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47 endif
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48 endfunc
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49
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50 " Test signal PWR, which should update the swap file.
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51 func Test_signal_PWR()
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52 if !HasSignal('PWR')
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53 return
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54 endif
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55
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56 " Set a very large 'updatetime' and 'updatecount', so that we can be sure
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57 " that swap file is updated as a result of sending PWR signal, and not
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58 " because of exceeding 'updatetime' or 'updatecount' when changing buffer.
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59 set updatetime=100000 updatecount=100000
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60 new Xtest_signal_PWR
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61 let swap_name = swapname('%')
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62 call setline(1, '123')
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63 preserve
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64 let swap_content = readfile(swap_name, 'b')
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65
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66 " Update the buffer and check that the swap file is not yet updated,
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67 " since we set 'updatetime' and 'updatecount' to large values.
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68 call setline(1, 'abc')
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69 call assert_equal(swap_content, readfile(swap_name, 'b'))
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70
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71 " Sending PWR signal should update the swap file.
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72 exe 'silent !kill -s PWR ' .. getpid()
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73 call WaitForAssert({-> assert_notequal(swap_content, readfile(swap_name, 'b'))})
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74
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75 bwipe!
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76 set updatetime& updatecount&
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77 endfunc