patch 8.2.3941: SIGTSTP is not handled
Problem: SIGTSTP is not handled.
Solution: Handle SIGTSTP like pressing CTRL-Z. (closes #9422)
diff --git a/src/testdir/test_signals.vim b/src/testdir/test_signals.vim
index 72fd024..d3a4d89 100644
--- a/src/testdir/test_signals.vim
+++ b/src/testdir/test_signals.vim
@@ -105,6 +105,58 @@
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
+
+ " Skip the test when running with valgrind as signal TSTP is not received
+ " somehow by Vim when running with valgrind.
+ let cmd = GetVimCommand()
+ if cmd =~ 'valgrind'
+ throw 'Skipped: cannot test signal TSTP with valgrind'
+ 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('XautoOut')
+ let lines =<< trim END
+ au VimSuspend * call writefile(["VimSuspend triggered"], "XautoOut", "as")
+ au VimResume * call writefile(["VimResume triggered"], "XautoOut", "as")
+ END
+ call writefile(lines, 'XsetupAucmd')
+
+ 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'))})
+
+ " We resume after the suspend
+ exe 'silent !kill -s CONT ' .. pid_vim
+ exe 'silent !sleep 0.006'
+
+ call StopVimInTerminal(buf)
+
+ let result = readfile('XautoOut')
+ call assert_equal(["VimSuspend triggered", "VimResume triggered"], result)
+
+ %bwipe!
+ call delete('.Xsig_TERM.swp')
+ call delete('XsetupAucmd')
+ call delete('XautoOut')
+endfunc
+
" Test a deadly signal.
"
" There are several deadly signals: SISEGV, SIBUS, SIGTERM...