#!./perl # # Tests for perl exit codes, playing with $?, etc... BEGIN { chdir 't' if -d 't'; @INC = '../lib'; } # VMS and Windows need -e "...", most everything else works better with ' my $quote = $^O =~ /^(VMS|MSWin\d+)$/ ? q{"} : q{'}; # Run some code, return its wait status. sub run { my($code) = shift; my $cmd = "$^X -e "; return system($cmd.$quote.$code.$quote); } use Test::More tests => 3; my $exit; $exit = run('exit'); is( $exit >> 8, 0, 'Normal exit' ); $exit = run('exit 42'); is( $exit >> 8, 42, 'Non-zero exit' ); $exit = run('END { $? = 42 }'); is( $exit >> 8, 42, 'Changing $? in END block' );