BEGIN {
chdir 't' if -d 't';
+ @INC = '../lib';
+ require './test.pl';
}
-print "1..10\n";
+plan(tests => 47 + 27*14);
-print "not " unless -d 'op';
-print "ok 1\n";
+ok( -d 'op' );
+ok( -f 'TEST' );
+ok( !-f 'op' );
+ok( !-d 'TEST' );
+ok( -r 'TEST' );
-print "not " unless -f 'TEST';
-print "ok 2\n";
+# Make a read only file
+my $ro_file = tempfile();
-print "not " if -f 'op';
-print "ok 3\n";
+{
+ 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: $!";
+
+SKIP: {
+ my $restore_root;
+ if ($> == 0) {
+ # root can read and write anything, so switch uid (may not be
+ # implemented)
+ eval '$> = 1';
+
+ skip("Can't drop root privs to test read-only files") if $> == 0;
+ note("Dropped root privs to test read-only files. \$> == $>");
+ ++$restore_root;
+ }
+
+ ok( !-w $ro_file );
+
+ if ($restore_root) {
+ # If the previous assignment to $> worked, so should this:
+ $> = 0;
+ note("Restored root privs after testing read-only files. \$> == $>");
+ }
+}
-print "not " if -d 'TEST';
-print "ok 4\n";
+# these would fail for the euid 1
+# (unless we have unpacked the source code as uid 1...)
+ok( -r 'op' );
+ok( -w 'op' );
+ok( -x 'op' ); # Hohum. Are directories -x everywhere?
-print "not " unless -r 'TEST';
-print "ok 5\n";
+is( "@{[grep -r, qw(foo io noo op zoo)]}", "io op" );
-# make sure TEST is r-x
-eval { chmod 0555, 'TEST' };
-$bad_chmod = $@;
+# Test stackability of filetest operators
-$oldeuid = $>; # root can read and write anything
-eval '$> = 1'; # so switch uid (may not be implemented)
+ok( defined( -f -d 'TEST' ) && ! -f -d _ );
+ok( !defined( -e 'zoo' ) );
+ok( !defined( -e -d 'zoo' ) );
+ok( !defined( -f -e 'zoo' ) );
+ok( -f -e 'TEST' );
+ok( -e -f 'TEST' );
+ok( defined(-d -e 'TEST') );
+ok( defined(-e -d 'TEST') );
+ok( ! -f -d 'op' );
+ok( -x -d -x 'op' );
+ok( (-s -f 'TEST' > 1), "-s returns real size" );
+ok( -f -s 'TEST' == 1 );
-print "# oldeuid = $oldeuid, euid = $>\n";
+# now with an empty file
+my $tempfile = tempfile();
+open my $fh, ">", $tempfile;
+close $fh;
+ok( -f $tempfile );
+is( -s $tempfile, 0 );
+is( -f -s $tempfile, 0 );
+is( -s -f $tempfile, 0 );
+unlink_all $tempfile;
-if ($bad_chmod) {
- print "#[$@]\nok 6 #skipped\n";
+# stacked -l
+eval { -l -e "TEST" };
+like $@, qr/^The stat preceding -l _ wasn't an lstat at /,
+ 'stacked -l non-lstat error with warnings off';
+{
+ local $^W = 1;
+ eval { -l -e "TEST" };
+ like $@, qr/^The stat preceding -l _ wasn't an lstat at /,
+ 'stacked -l non-lstat error with warnings on';
}
-else {
- print "not " if -w 'TEST';
- print "ok 6\n";
+# Make sure -l is using the previous stat buffer, and not using the previ-
+# ous op’s return value as a file name.
+SKIP: {
+ use Perl::OSType 'os_type';
+ if (os_type ne 'Unix') { skip "Not Unix", 2 }
+ if (-l "TEST") { skip "TEST is a symlink", 2 }
+ chomp(my $ln = `which ln`);
+ if ( ! -e $ln ) { skip "No ln" , 2 }
+ lstat "TEST";
+ `ln -s TEST 1`;
+ ok ! -l -e _, 'stacked -l uses previous stat, not previous retval';
+ unlink 1;
+
+ # Since we already have our skip block set up, we might as well put this
+ # test here, too:
+ # -l always treats a non-bareword argument as a file name
+ system qw "ln -s TEST", \*foo;
+ local $^W = 1;
+ ok -l \*foo, '-l \*foo is a file name';
+ unlink \*foo;
}
-# Scripts are not -x everywhere so cannot test that.
+# test that _ is a bareword after filetest operators
-print "not " unless -r 'op';
-print "ok 7\n";
+-f 'TEST';
+ok( -f _ );
+sub _ { "this is not a file name" }
+ok( -f _ );
-eval '$> = $oldeuid'; # switch uid back (may not be implemented)
+my $over;
+{
+ package OverFtest;
-# this would fail for the euid 1
-# (unless we have unpacked the source code as uid 1...)
-print "not " unless -w 'op';
-print "ok 8\n";
+ 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" );
+}
+
+# -l stack corruption: this bug occurred from 5.8 to 5.14
+{
+ push my @foo, "bar", -l baz;
+ is $foo[0], "bar", '-l bareword does not corrupt the stack';
+}
+
+# -l and fatal warnings
+stat "test.pl";
+eval { use warnings FATAL => io; -l cradd };
+ok !stat _,
+ 'fatal warnings do not prevent -l HANDLE from setting stat status';
+
+# File test ops should not call get-magic on the topmost SV on the stack if
+# it belongs to another op.
+{
+ my $w;
+ sub oon::TIESCALAR{bless[],'oon'}
+ sub oon::FETCH{$w++}
+ tie my $t, 'oon';
+ push my @a, $t, -t;
+ is $w, 1, 'file test does not call FETCH on stack item not its own';
+}
+
+# -T and -B
+
+my $Perl = which_perl();
+
+SKIP: {
+ skip "no -T on filehandles", 8 unless eval { -T STDERR; 1 };
+
+ # Test that -T HANDLE sets the last stat type
+ -l "perl.c"; # last stat type is now lstat
+ -T STDERR; # should set it to stat, since -T does a stat
+ eval { -l _ }; # should die, because the last stat type is not lstat
+ like $@, qr/^The stat preceding -l _ wasn't an lstat at /,
+ '-T HANDLE sets the stat type';
+
+ # statgv should be cleared when freed
+ fresh_perl_is
+ 'open my $fh, "test.pl"; -r $fh; undef $fh; open my $fh2, '
+ . "q\0$Perl\0; print -B _",
+ '',
+ { switches => ['-l'] },
+ 'PL_statgv should not point to freed-and-reused SV';
+
+ # or coerced into a non-glob
+ fresh_perl_is
+ 'open Fh, "test.pl"; -r($h{i} = *Fh); $h{i} = 3; undef %h;'
+ . 'open my $fh2, ' . "q\0" . which_perl() . "\0; print -B _",
+ '',
+ { switches => ['-l'] },
+ 'PL_statgv should not point to coerced-freed-and-reused GV';
+
+ # -T _ should work after stat $ioref
+ open my $fh, 'test.pl';
+ stat $Perl; # a binary file
+ stat *$fh{IO};
+ ok -T _, '-T _ works after stat $ioref';
+
+ # and after -r $ioref
+ -r *$fh{IO};
+ ok -T _, '-T _ works after -r $ioref';
+
+ # -T _ on closed filehandle should still reset stat info
+ stat $fh;
+ close $fh;
+ -T _;
+ ok !stat _, '-T _ on closed filehandle resets stat info';
+
+ lstat "test.pl";
+ -T $fh; # closed
+ eval { lstat _ };
+ like $@, qr/^The stat preceding lstat\(\) wasn't an lstat at /,
+ '-T on closed handle resets last stat type';
+
+ # Fatal warnings should not affect the setting of errno.
+ $! = 7;
+ -T cradd;
+ my $errno = $!;
+ $! = 7;
+ eval { use warnings FATAL => unopened; -T cradd };
+ my $errno2 = $!;
+ is $errno2, $errno,
+ 'fatal warnings do not affect errno after -T BADHADNLE';
+}
+
+is runperl(prog => '-T _', switches => ['-w'], stderr => 1), "",
+ 'no uninit warnings from -T with no preceding stat';
+
+SKIP: {
+ my $rand_file_name = 'filetest-' . rand =~ y/.//dr;
+ if (-e $rand_file_name) { skip "File $rand_file_name exists", 1 }
+ stat 'test.pl';
+ -T $rand_file_name;
+ ok !stat _, '-T "nonexistent" resets stat success status';
+}
+
+# Unsuccessful filetests on filehandles should leave stat buffers in the
+# same state whether fatal warnings are on or off.
+{
+ stat "test.pl";
+ # This GV has no IO
+ -r *phlon;
+ my $failed_stat1 = stat _;
+
+ stat "test.pl";
+ eval { use warnings FATAL => unopened; -r *phlon };
+ my $failed_stat2 = stat _;
+
+ is $failed_stat2, $failed_stat1,
+ 'failed -r($gv_without_io) with and w/out fatal warnings';
-print "not " unless -x 'op'; # Hohum. Are directories -x everywhere?
-print "ok 9\n";
+ stat "test.pl";
+ -r cength; # at compile time autovivifies IO, but with no fp
+ $failed_stat1 = stat _;
-print "not " unless "@{[grep -r, qw(foo io noo op zoo)]}" eq "io op";
-print "ok 10\n";
+ stat "test.pl";
+ eval { use warnings FATAL => unopened; -r cength };
+ $failed_stat2 = stat _;
+
+ is $failed_stat2, $failed_stat1,
+ 'failed -r($gv_with_io_but_no_fp) with and w/out fatal warnings';
+}
https://perl5.git.perl.org / perl5.git / blobdiff