| " Test signal handling. |
| |
| CheckUnix |
| |
| " Check whether a signal is available on this system. |
| func HasSignal(signal) |
| let signals = system('kill -l') |
| return signals =~# '\<' .. a:signal .. '\>' |
| endfunc |
| |
| " Test signal WINCH (window resize signal) |
| func Test_signal_WINCH() |
| CheckNotGui |
| if !HasSignal('WINCH') |
| throw 'Skipped: WINCH signal not supported' |
| endif |
| |
| " We do not actually want to change the size of the terminal. |
| let old_WS = '' |
| if exists('&t_WS') |
| let old_WS = &t_WS |
| let &t_WS = '' |
| endif |
| |
| let old_lines = &lines |
| let old_columns = &columns |
| let new_lines = &lines - 2 |
| let new_columns = &columns - 2 |
| |
| exe 'set lines=' .. new_lines |
| exe 'set columns=' .. new_columns |
| call assert_equal(new_lines, &lines) |
| call assert_equal(new_columns, &columns) |
| |
| " Send signal and wait for signal to be processed. |
| " 'lines' and 'columns' should have been restored |
| " after handing signal WINCH. |
| exe 'silent !kill -s WINCH ' .. getpid() |
| call WaitForAssert({-> assert_equal(old_lines, &lines)}) |
| call assert_equal(old_columns, &columns) |
| |
| if old_WS != '' |
| let &t_WS = old_WS |
| endif |
| endfunc |
| |
| " Test signal PWR, which should update the swap file. |
| func Test_signal_PWR() |
| if !HasSignal('PWR') |
| throw 'Skipped: PWR signal not supported' |
| endif |
| |
| " Set a very large 'updatetime' and 'updatecount', so that we can be sure |
| " that swap file is updated as a result of sending PWR signal, and not |
| " because of exceeding 'updatetime' or 'updatecount' when changing buffer. |
| set updatetime=100000 updatecount=100000 |
| new Xtest_signal_PWR |
| let swap_name = swapname('%') |
| call setline(1, '123') |
| preserve |
| let swap_content = readfile(swap_name, 'b') |
| |
| " Update the buffer and check that the swap file is not yet updated, |
| " since we set 'updatetime' and 'updatecount' to large values. |
| call setline(1, 'abc') |
| call assert_equal(swap_content, readfile(swap_name, 'b')) |
| |
| " Sending PWR signal should update the swap file. |
| exe 'silent !kill -s PWR ' .. getpid() |
| call WaitForAssert({-> assert_notequal(swap_content, readfile(swap_name, 'b'))}) |
| |
| bwipe! |
| set updatetime& updatecount& |
| endfunc |
| |
| " Test signal INT. Handler sets got_int. It should be like typing CTRL-C. |
| func Test_signal_INT() |
| CheckRunVimInTerminal |
| if !HasSignal('INT') |
| throw 'Skipped: INT signal not supported' |
| endif |
| |
| let buf = RunVimInTerminal('', {'rows': 6}) |
| let pid_vim = term_getjob(buf)->job_info().process |
| |
| " Check that an endless loop in Vim is interrupted by signal INT. |
| call term_sendkeys(buf, ":call setline(1, 'running')\n") |
| call term_sendkeys(buf, ":while 1 | endwhile\n") |
| call WaitForAssert({-> assert_equal(':while 1 | endwhile', term_getline(buf, 6))}) |
| exe 'silent !kill -s INT ' .. pid_vim |
| sleep 50m |
| call term_sendkeys(buf, ":call setline(1, 'INTERRUPTED')\n") |
| call WaitForAssert({-> assert_equal('INTERRUPTED', term_getline(buf, 1))}) |
| |
| call StopVimInTerminal(buf) |
| endfunc |
| |
| " Test signal TSTP. Handler sets got_tstp. |
| func Test_signal_TSTP() |
| CheckRunVimInTerminal |
| if !HasSignal('TSTP') |
| throw 'Skipped: TSTP signal not supported' |
| endif |
| |
| " If test fails once, it can leave temporary files and trying to rerun |
| " the test would then fail again if they are not deleted first. |
| call delete('.Xsig_TERM.swp') |
| call delete('XsetupAucmd') |
| call delete('XautoOut1') |
| call delete('XautoOut2') |
| let lines =<< trim END |
| au VimSuspend * call writefile(["VimSuspend triggered"], "XautoOut1", "as") |
| au VimResume * call writefile(["VimResume triggered"], "XautoOut2", "as") |
| END |
| call writefile(lines, 'XsetupAucmd', 'D') |
| |
| let buf = RunVimInTerminal('-S XsetupAucmd Xsig_TERM', {'rows': 6}) |
| let pid_vim = term_getjob(buf)->job_info().process |
| |
| call term_sendkeys(buf, ":call setline(1, 'foo')\n") |
| call WaitForAssert({-> assert_equal('foo', term_getline(buf, 1))}) |
| |
| call assert_false(filereadable('Xsig_TERM')) |
| |
| " After TSTP the file is not saved (same function as ^Z) |
| exe 'silent !kill -s TSTP ' .. pid_vim |
| call WaitForAssert({-> assert_true(filereadable('.Xsig_TERM.swp'))}) |
| sleep 100m |
| |
| " We resume after the suspend. Sleep a bit for the signal to take effect, |
| " also when running under valgrind. |
| exe 'silent !kill -s CONT ' .. pid_vim |
| call WaitForAssert({-> assert_true(filereadable('XautoOut2'))}) |
| sleep 10m |
| |
| call StopVimInTerminal(buf) |
| |
| let result = readfile('XautoOut1') |
| call assert_equal(["VimSuspend triggered"], result) |
| let result = readfile('XautoOut2') |
| call assert_equal(["VimResume triggered"], result) |
| |
| %bwipe! |
| call delete('.Xsig_TERM.swp') |
| call delete('XautoOut1') |
| call delete('XautoOut2') |
| endfunc |
| |
| " Test a deadly signal. |
| " |
| " There are several deadly signals: SISEGV, SIBUS, SIGTERM... |
| " Test uses signal SIGTERM as it does not create a core |
| " dump file unlike SIGSEGV, SIGBUS, etc. See "man 7 signals. |
| " |
| " Vim should exit with a deadly signal and unsaved changes |
| " should be recoverable from the swap file preserved as a |
| " result of the deadly signal handler. |
| func Test_deadly_signal_TERM() |
| if !HasSignal('TERM') |
| throw 'Skipped: TERM signal not supported' |
| endif |
| CheckRunVimInTerminal |
| |
| " If test fails once, it can leave temporary files and trying to rerun |
| " the test would then fail again if they are not deleted first. |
| call delete('.Xsig_TERM.swp') |
| call delete('XsetupAucmd') |
| call delete('XautoOut') |
| let lines =<< trim END |
| au VimLeave * call writefile(["VimLeave triggered"], "XautoOut", "as") |
| au VimLeavePre * call writefile(["VimLeavePre triggered"], "XautoOut", "as") |
| END |
| call writefile(lines, 'XsetupAucmd', 'D') |
| |
| let buf = RunVimInTerminal('-S XsetupAucmd Xsig_TERM', {'rows': 6}) |
| let pid_vim = term_getjob(buf)->job_info().process |
| |
| call term_sendkeys(buf, ":call setline(1, 'foo')\n") |
| call WaitForAssert({-> assert_equal('foo', term_getline(buf, 1))}) |
| |
| call assert_false(filereadable('Xsig_TERM')) |
| exe 'silent !kill -s TERM ' .. pid_vim |
| call WaitForAssert({-> assert_true(filereadable('.Xsig_TERM.swp'))}) |
| |
| " Don't call StopVimInTerminal() as it expects job to be still running. |
| call WaitForAssert({-> assert_equal("finished", term_getstatus(buf))}) |
| |
| new |
| silent recover .Xsig_TERM.swp |
| call assert_equal(['foo'], getline(1, '$')) |
| |
| let result = readfile('XautoOut') |
| call assert_equal(["VimLeavePre triggered", "VimLeave triggered"], result) |
| |
| %bwipe! |
| call delete('.Xsig_TERM.swp') |
| call delete('XautoOut') |
| endfunc |
| |
| " vim: ts=8 sw=2 sts=2 tw=80 fdm=marker |