# pp_sys.c [pp_sselect]
use warnings 'misc';
$x = 1;
-select $x, undef, undef, undef;
+select $x, undef, undef, 1;
no warnings 'misc';
-select $x, undef, undef, undef;
+select $x, undef, undef, 1;
EXPECT
Non-string passed as bitmask at - line 4.
+########
+use Config;
+BEGIN {
+ if (!$Config{d_fchdir}) {
+ print <<EOM;
+SKIPPED
+# fchdir not present
+EOM
+ exit;
+ }
+}
+opendir FOO, '.'; closedir FOO;
+open BAR, '.'; close BAR;
+opendir $dh, '.'; closedir $dh;
+open $fh, '.'; close $fh;
+chdir FOO;
+chdir BAR;
+chdir $dh;
+chdir $fh;
+use warnings qw(unopened closed) ;
+chdir FOO;
+chdir BAR;
+chdir $dh;
+chdir $fh;
+EXPECT
+chdir() on unopened filehandle FOO at - line 20.
+chdir() on closed filehandle BAR at - line 21.
+chdir() on unopened filehandle $dh at - line 22.
+chdir() on closed filehandle $fh at - line 23.