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annotate src/testdir/test_signals.vim @ 19754:c9cc9e5c87e0 v8.2.0433

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patch 8.2.0433: INT signal not properly tested Commit: https://github.com/vim/vim/commit/bad8804cdd739a5a7321b8411ad7fd4f45741b54 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 23 20:54:32 2020 +0100 patch 8.2.0433: INT signal not properly tested Problem: INT signal not properly tested. Solution: Add a test. Also clean up some unnecessary lines. (Dominique Pelle, closes #5828)
author Bram Moolenaar <Bram@vim.org>
date Mon, 23 Mar 2020 21:00:04 +0100
parents 0da9bc55c31a
children f8835e16c34e
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 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 if !HasSignal('INT')
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84 throw 'Skipped: INT signal not supported'
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85 endif
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86
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87 " Skip the rest of the test when running with valgrind as signal INT is not
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88 " received somehow by Vim when running with valgrind.
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89 let cmd = GetVimCommand()
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90 if cmd =~ 'valgrind'
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91 throw 'Skipped: cannot test signal INT with valgrind'
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92 endif
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93
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94 if !CanRunVimInTerminal()
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95 throw 'Skipped: cannot run vim in terminal'
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96 endif
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97 let buf = RunVimInTerminal('', {'rows': 6})
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98 let pid_vim = term_getjob(buf)->job_info().process
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99
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100 " Check that an endless loop in Vim is interrupted by signal INT.
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101 call term_sendkeys(buf, ":while 1 | endwhile\n")
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102 call WaitForAssert({-> assert_equal(':while 1 | endwhile', term_getline(buf, 6))})
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103 exe 'silent !kill -s INT ' .. pid_vim
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104 call term_sendkeys(buf, ":call setline(1, 'INTERUPTED')\n")
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105 call WaitForAssert({-> assert_equal('INTERUPTED', term_getline(buf, 1))})
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106
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107 call StopVimInTerminal(buf)
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108 endfunc