1#!./perl -w
2
3#
4# Verify that C<die> return the return code
5#	-- Robin Barker
6#
7
8BEGIN {
9    chdir 't' if -d 't';
10    require './test.pl';
11    set_up_inc('../lib');
12}
13
14use strict;
15
16$| = 1;
17
18my @tests = (
19	[   0,   0],
20	[   0,   1],
21	[   0, 127],
22	[   0, 128],
23	[   0, 255],
24	[   0, 256],
25	[   0, 512],
26	[   1,   0],
27	[   1,   1],
28	[   1, 256],
29	[ 128,   0],
30	[ 128,   1],
31	[ 128, 256],
32	[ 255,   0],
33	[ 255,   1],
34	[ 255, 256],
35	# see if implicit close preserves $?
36	[  0,  512, '{ local *F; open F, q[TEST]; close F; $!=0 } die;'],
37);
38
39plan(tests => scalar @tests);
40
41my $vms_exit_mode = 0;
42
43if ($^O eq 'VMS') {
44    if (eval 'require VMS::Feature') {
45        $vms_exit_mode = !(VMS::Feature::current("posix_exit"));
46    } else {
47        my $env_unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
48        my $env_posix_ex = $ENV{'PERL_VMS_POSIX_EXIT'} || '';
49        my $unix_rpt = $env_unix_rpt =~ /^[ET1]/i;
50        my $posix_ex = $env_posix_ex =~ /^[ET1]/i;
51        if (($unix_rpt || $posix_ex) ) {
52            $vms_exit_mode = 0;
53        } else {
54            $vms_exit_mode = 1;
55        }
56    }
57}
58
59# Dump any error messages from the dying processes off to a temp file.
60my $tempfile = tempfile();
61open STDERR, '>', $tempfile or die "Can't open temp error file $tempfile:  $!";
62
63foreach my $test (@tests) {
64    my($bang, $query, $code) = @$test;
65    $code ||= 'die;';
66    if ($^O eq 'MSWin32' || $^O eq 'NetWare' || $^O eq 'VMS') {
67        system(qq{$^X -e "\$! = $bang; \$? = $query; $code"});
68    }
69    else {
70        system(qq{$^X -e '\$! = $bang; \$? = $query; $code'});
71    }
72    my $exit = $?;
73
74    # The legacy VMS exit code 44 (SS$_ABORT) is returned if a program dies.
75    # We only get the severity bits, which boils down to 4.  See L<perlvms/$?>.
76    $bang = 4 if $vms_exit_mode;
77
78    is($exit, (($bang || ($query >> 8) || 255) << 8),
79       sprintf "exit = 0x%04x bang = 0x%04x query = 0x%04x", $exit, $bang, $query);
80}
81
82close STDERR;
83