}
use Config;
-plan(tests => 28);
+plan(tests => 28 + 27*14);
ok( -d 'op' );
ok( -f 'TEST' );
ok( !-d 'TEST' );
ok( -r 'TEST' );
-# make sure TEST is r-x
-eval { chmod 0555, 'TEST' or die "chmod 0555, 'TEST' failed: $!" };
-chomp ($bad_chmod = $@);
+# Make a read only file
+my $ro_file = tempfile();
+
+{
+ open my $fh, '>', $ro_file or die "open $fh: $!";
+ close $fh or die "close $fh: $!";
+}
+
+chmod 0555, $ro_file or die "chmod 0555, '$ro_file' failed: $!";
$oldeuid = $>; # root can read and write anything
eval '$> = 1'; # so switch uid (may not be implemented)
if (!$Config{d_seteuid}) {
skip('no seteuid');
}
- elsif ($Config{config_args} =~/Dmksymlinks/) {
- skip('we cannot chmod symlinks');
- }
- elsif ($bad_chmod) {
- skip( $bad_chmod );
- }
else {
- ok( !-w 'TEST' );
+ ok( !-w $ro_file );
}
}
ok( -f _ );
sub _ { "this is not a file name" }
ok( -f _ );
+
+my $over;
+{
+ package OverFtest;
+
+ use overload
+ fallback => 1,
+ -X => sub {
+ $over = [qq($_[0]), $_[1]];
+ "-$_[1]";
+ };
+}
+{
+ package OverString;
+
+ # No fallback. -X should fall back to string overload even without
+ # it.
+ use overload q/""/ => sub { $over = 1; "TEST" };
+}
+{
+ package OverBoth;
+
+ use overload
+ q/""/ => sub { "TEST" },
+ -X => sub { "-$_[1]" };
+}
+{
+ package OverNeither;
+
+ # Need fallback. Previous versions of perl required 'fallback' to do
+ # -X operations on an object with no "" overload.
+ use overload
+ '+' => sub { 1 },
+ fallback => 1;
+}
+
+my $ft = bless [], "OverFtest";
+my $ftstr = qq($ft);
+my $str = bless [], "OverString";
+my $both = bless [], "OverBoth";
+my $neither = bless [], "OverNeither";
+my $nstr = qq($neither);
+
+open my $gv, "<", "TEST";
+bless $gv, "OverString";
+open my $io, "<", "TEST";
+$io = *{$io}{IO};
+bless $io, "OverString";
+
+my $fcntl_not_available;
+eval { require Fcntl } or $fcntl_not_available = 1;
+
+for my $op (split //, "rwxoRWXOezsfdlpSbctugkTMBAC") {
+ $over = [];
+ ok( my $rv = eval "-$op \$ft", "overloaded -$op succeeds" )
+ or diag( $@ );
+ is( $over->[0], $ftstr, "correct object for overloaded -$op" );
+ is( $over->[1], $op, "correct op for overloaded -$op" );
+ is( $rv, "-$op", "correct return value for overloaded -$op");
+
+ my ($exp, $is) = (1, "is");
+ if (
+ !$fcntl_not_available and (
+ $op eq "u" and not eval { Fcntl::S_ISUID() } or
+ $op eq "g" and not eval { Fcntl::S_ISGID() } or
+ $op eq "k" and not eval { Fcntl::S_ISVTX() }
+ )
+ ) {
+ ($exp, $is) = (0, "not");
+ }
+
+ $over = 0;
+ $rv = eval "-$op \$str";
+ ok( !$@, "-$op succeeds with string overloading" )
+ or diag( $@ );
+ is( $rv, eval "-$op 'TEST'", "correct -$op on string overload" );
+ is( $over, $exp, "string overload $is called for -$op" );
+
+ ($exp, $is) = $op eq "l" ? (1, "is") : (0, "not");
+
+ $over = 0;
+ eval "-$op \$gv";
+ is( $over, $exp, "string overload $is called for -$op on GLOB" );
+
+ # IO refs always get string overload called. This might be a bug.
+ $op eq "t" || $op eq "T" || $op eq "B"
+ and ($exp, $is) = (1, "is");
+
+ $over = 0;
+ eval "-$op \$io";
+ is( $over, $exp, "string overload $is called for -$op on IO");
+
+ $rv = eval "-$op \$both";
+ is( $rv, "-$op", "correct -$op on string/-X overload" );
+
+ $rv = eval "-$op \$neither";
+ ok( !$@, "-$op succeeds with random overloading" )
+ or diag( $@ );
+ is( $rv, eval "-$op \$nstr", "correct -$op with random overloading" );
+
+ is( eval "-r -$op \$ft", "-r", "stacked overloaded -$op" );
+ is( eval "-$op -r \$ft", "-$op", "overloaded stacked -$op" );
+}