This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Gisle noted an unused variable
[perl5.git] / t / run / exit.t
CommitLineData
14cf881c
MS
1#!./perl
2#
3# Tests for perl exit codes, playing with $?, etc...
4
5
6BEGIN {
7 chdir 't' if -d 't';
69026470 8 @INC = qw(. ../lib);
14cf881c
MS
9}
10
14cf881c
MS
11# Run some code, return its wait status.
12sub run {
13 my($code) = shift;
755bf813 14 return system($^X, "-e", $code);
14cf881c
MS
15}
16
0ab78052 17BEGIN {
dc459aad 18 # MacOS system() doesn't have good return value
6d016528 19 $numtests = ($^O eq 'VMS') ? 9 : ($^O eq 'MacOS') ? 0 : 17;
0ab78052 20}
14cf881c 21
69026470
JH
22require "test.pl";
23plan(tests => $numtests);
55a9fe1d 24
dc459aad 25if ($^O ne 'MacOS') {
55a9fe1d 26my $exit, $exit_arg;
14cf881c
MS
27
28$exit = run('exit');
29is( $exit >> 8, 0, 'Normal exit' );
e5218da5
GA
30is( $exit, $?, 'Normal exit $?' );
31is( ${^CHILD_ERROR_NATIVE}, 0, 'Normal exit ${^CHILD_ERROR_NATIVE}' );
14cf881c 32
55a9fe1d 33if ($^O ne 'VMS') {
e5218da5 34 my $posix_ok = eval { require POSIX; };
55a9fe1d
CB
35
36 $exit = run('exit 42');
37 is( $exit >> 8, 42, 'Non-zero exit' );
e5218da5
GA
38 is( $exit, $?, 'Non-zero exit $?' );
39 isnt( !${^CHILD_ERROR_NATIVE}, 0, 'Non-zero exit ${^CHILD_ERROR_NATIVE}' );
40 SKIP: {
41 skip("No POSIX", 3) unless $posix_ok;
42 ok(POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}), "WIFEXITED");
43 ok(!POSIX::WIFSIGNALED(${^CHILD_ERROR_NATIVE}), "WIFSIGNALED");
44 is(POSIX::WEXITSTATUS(${^CHILD_ERROR_NATIVE}), 42, "WEXITSTATUS");
45 }
46
47 $exit = run('kill 15, $$; sleep(1);');
48
49 is( $exit & 127, 15, 'Term by signal' );
50 ok( !($exit & 128), 'No core dump' );
51 is( $? & 127, 15, 'Term by signal $?' );
52 isnt( ${^CHILD_ERROR_NATIVE}, 0, 'Term by signal ${^CHILD_ERROR_NATIVE}' );
53 SKIP: {
54 skip("No POSIX", 3) unless $posix_ok;
55 ok(!POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}), "WIFEXITED");
56 ok(POSIX::WIFSIGNALED(${^CHILD_ERROR_NATIVE}), "WIFSIGNALED");
57 is(POSIX::WTERMSIG(${^CHILD_ERROR_NATIVE}), 15, "WTERMSIG");
58 }
55a9fe1d
CB
59
60} else {
61
62# On VMS, successful returns from system() are always 0, warnings are 1,
63# errors are 2, and fatal errors are 4.
64
65 $exit = run("exit 196609"); # %CLI-S-NORMAL
66 is( $exit >> 8, 0, 'success exit' );
67
68 $exit = run("exit 196611"); # %CLI-I-NORMAL
69 is( $exit >> 8, 0, 'informational exit' );
70
71 $exit = run("exit 196608"); # %CLI-W-NORMAL
72 is( $exit >> 8, 1, 'warning exit' );
73
74 $exit = run("exit 196610"); # %CLI-E-NORMAL
75 is( $exit >> 8, 2, 'error exit' );
76
77 $exit = run("exit 196612"); # %CLI-F-NORMAL
78 is( $exit >> 8, 4, 'fatal error exit' );
79}
14cf881c 80
412a0271
CB
81$exit_arg = 42;
82$exit = run("END { \$? = $exit_arg }");
83
84# On VMS, in the child process the actual exit status will be SS$_ABORT,
85# which is what you get from any non-zero value of $? that has been
e5218da5 86# dePOSIXified by STATUS_UNIX_SET. In the parent process, all we'll
412a0271
CB
87# see are the severity bits (0-2) shifted left by 8.
88$exit_arg = (44 & 7) if $^O eq 'VMS';
89
90is( $exit >> 8, $exit_arg, 'Changing $? in END block' );
dc459aad 91}