| 1 | #!./perl |
| 2 | |
| 3 | # There are few filetest operators that are portable enough to test. |
| 4 | # See pod/perlport.pod for details. |
| 5 | |
| 6 | BEGIN { |
| 7 | chdir 't' if -d 't'; |
| 8 | require './test.pl'; |
| 9 | set_up_inc(qw '../lib ../cpan/Perl-OSType/lib'); |
| 10 | } |
| 11 | |
| 12 | plan(tests => 53 + 27*14); |
| 13 | |
| 14 | if ($^O =~ /MSWin32|cygwin|msys/ && !is_miniperl) { |
| 15 | require Win32; # for IsAdminUser() |
| 16 | } |
| 17 | |
| 18 | # Tests presume we are in t/op directory and that file 'TEST' is found |
| 19 | # therein. |
| 20 | is(-d 'op', 1, "-d: directory correctly identified"); |
| 21 | is(-f 'TEST', 1, "-f: plain file correctly identified"); |
| 22 | isnt(-f 'op', 1, "-f: directory is not a plain file"); |
| 23 | isnt(-d 'TEST', 1, "-d: plain file is not a directory"); |
| 24 | is(-r 'TEST', 1, "-r: file readable by effective uid/gid not found"); |
| 25 | |
| 26 | # Make a read only file. This happens to be empty, so we also use it later. |
| 27 | my $ro_empty_file = tempfile(); |
| 28 | |
| 29 | { |
| 30 | open my $fh, '>', $ro_empty_file or die "open $fh: $!"; |
| 31 | close $fh or die "close $fh: $!"; |
| 32 | } |
| 33 | |
| 34 | chmod 0555, $ro_empty_file or die "chmod 0555, '$ro_empty_file' failed: $!"; |
| 35 | |
| 36 | SKIP: { |
| 37 | my $restore_root; |
| 38 | skip "Need Win32::IsAdminUser() on $^O", 1 |
| 39 | if $^O =~ /MSWin32|cygwin|msys/ && is_miniperl(); |
| 40 | my $Is_WinAdminUser = ($^O =~ /MSWin32|cygwin|msys/ and Win32::IsAdminUser()) ? 1 : 0; |
| 41 | # TODO: skip("On an ACL filesystem like $^O we cannot rely on -w via uid/gid"); |
| 42 | # We have no filesystem check for ACL in core |
| 43 | if ($Is_WinAdminUser) { |
| 44 | skip("As Windows Administrator we cannot rely on -w via uid/gid"); |
| 45 | } |
| 46 | elsif ($> == 0) { |
| 47 | # root can read and write anything, so switch uid (may not be |
| 48 | # implemented) |
| 49 | eval '$> = 1'; |
| 50 | |
| 51 | skip("Can't drop root privs to test read-only files") if $> == 0; |
| 52 | note("Dropped root privs to test read-only files. \$> == $>"); |
| 53 | ++$restore_root; |
| 54 | } |
| 55 | |
| 56 | isnt(-w $ro_empty_file, 1, "-w: file writable by effective uid/gid"); |
| 57 | |
| 58 | if ($restore_root) { |
| 59 | # If the previous assignment to $> worked, so should this: |
| 60 | $> = 0; |
| 61 | note("Restored root privs after testing read-only files. \$> == $>"); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | # these would fail for the euid 1 |
| 66 | # (unless we have unpacked the source code as uid 1...) |
| 67 | is(-r 'op', 1, "-r: directory readable by effective uid/gid"); |
| 68 | is(-w 'op', 1, "-w: directory writable by effective uid/gid"); |
| 69 | is(-x 'op', 1, "-x: executable by effective uid/gid"); # Hohum. Are directories -x everywhere? |
| 70 | |
| 71 | is( "@{[grep -r, qw(foo io noo op zoo)]}", "io op", |
| 72 | "-r: found directories readable by effective uid/gid" ); |
| 73 | |
| 74 | # Test stackability of filetest operators |
| 75 | |
| 76 | is(defined( -f -d 'TEST' ), 1, "-f and -d stackable: plain file found"); |
| 77 | isnt(-f -d _, 1, "-f and -d stackable: no plain file found"); |
| 78 | isnt(defined( -e 'zoo' ), 1, "-e: file does not exist"); |
| 79 | isnt(defined( -e -d 'zoo' ), 1, "-e and -d: neither file nor directory exists"); |
| 80 | isnt(defined( -f -e 'zoo' ), 1, "-f and -e: not a plain file and does not exist"); |
| 81 | is(-f -e 'TEST', 1, "-f and -e: plain file and exists"); |
| 82 | is(-e -f 'TEST', 1, "-e and -f: exists and is plain file"); |
| 83 | is(defined(-d -e 'TEST'), 1, "-d and -e: file at least exists"); |
| 84 | is(defined(-e -d 'TEST'), 1, "-e and -d: file at least exists"); |
| 85 | isnt( -f -d 'op', 1, "-f and -d: directory found but is not a plain file"); |
| 86 | is(-x -d -x 'op', 1, "-x, -d and -x again: directory exists and is executable"); |
| 87 | my ($size) = (stat 'TEST')[7]; |
| 88 | cmp_ok($size, '>', 1, 'TEST is longer than 1 byte'); |
| 89 | is( (-s -f 'TEST'), $size, "-s returns real size" ); |
| 90 | is(-f -s 'TEST', 1, "-f and -s: plain file with non-zero size"); |
| 91 | |
| 92 | # now with an empty file |
| 93 | is(-f $ro_empty_file, 1, "-f: plain file found"); |
| 94 | is(-s $ro_empty_file, 0, "-s: file has 0 bytes"); |
| 95 | is(-f -s $ro_empty_file, 0, "-f and -s: plain file with 0 bytes"); |
| 96 | is(-s -f $ro_empty_file, 0, "-s and -f: file with 0 bytes is plain file"); |
| 97 | |
| 98 | # stacked -l |
| 99 | eval { -l -e "TEST" }; |
| 100 | like $@, qr/^The stat preceding -l _ wasn't an lstat at /, |
| 101 | 'stacked -l non-lstat error with warnings off'; |
| 102 | { |
| 103 | local $^W = 1; |
| 104 | eval { -l -e "TEST" }; |
| 105 | like $@, qr/^The stat preceding -l _ wasn't an lstat at /, |
| 106 | 'stacked -l non-lstat error with warnings on'; |
| 107 | } |
| 108 | # Make sure -l is using the previous stat buffer, and not using the previ- |
| 109 | # ous op’s return value as a file name. |
| 110 | # t/TEST can be a symlink under -Dmksymlinks, so use our temporary file. |
| 111 | SKIP: { |
| 112 | use Perl::OSType 'os_type'; |
| 113 | if (os_type ne 'Unix') { skip "Not Unix", 3 } |
| 114 | if ( $^O =~ /android/ ) { |
| 115 | # Even the most basic toolbox in android provides ln, |
| 116 | # but not which. |
| 117 | $ln = "ln"; |
| 118 | } |
| 119 | else { |
| 120 | chomp(my $ln = `which ln`); |
| 121 | if ( ! -e $ln ) { skip "No ln" , 3 } |
| 122 | } |
| 123 | lstat $ro_empty_file; |
| 124 | `ln -s $ro_empty_file 1`; |
| 125 | isnt(-l -e _, 1, 'stacked -l uses previous stat, not previous retval'); |
| 126 | unlink 1; |
| 127 | |
| 128 | # Since we already have our skip block set up, we might as well put this |
| 129 | # test here, too: |
| 130 | # -l always treats a non-bareword argument as a file name |
| 131 | system 'ln', '-s', $ro_empty_file, \*foo; |
| 132 | local $^W = 1; |
| 133 | my @warnings; |
| 134 | local $SIG{__WARN__} = sub { push @warnings, @_ }; |
| 135 | is(-l \*foo, 1, '-l \*foo is a file name'); |
| 136 | ok($warnings[0] =~ /-l on filehandle foo/, 'warning for -l $handle'); |
| 137 | unlink \*foo; |
| 138 | } |
| 139 | # More -l $handle warning tests |
| 140 | { |
| 141 | local $^W = 1; |
| 142 | my @warnings; |
| 143 | local $SIG{__WARN__} = sub { push @warnings, @_ }; |
| 144 | () = -l \*{"\x{3c6}oo"}; |
| 145 | like($warnings[0], qr/-l on filehandle \x{3c6}oo/, |
| 146 | '-l $handle warning is utf8-clean'); |
| 147 | () = -l *foo; |
| 148 | like($warnings[1], qr/-l on filehandle foo/, |
| 149 | '-l $handle warning occurs for globs, not just globrefs'); |
| 150 | tell foo; # vivify the IO slot |
| 151 | () = -l *foo{IO}; |
| 152 | # (element [3] because tell also warns) |
| 153 | like($warnings[3], qr/-l on filehandle at/, |
| 154 | '-l $handle warning occurs for iorefs as well'); |
| 155 | } |
| 156 | |
| 157 | # test that _ is a bareword after filetest operators |
| 158 | |
| 159 | -f 'TEST'; |
| 160 | is(-f _, 1, "_ is bareword after filetest operator"); |
| 161 | sub _ { "this is not a file name" } |
| 162 | is(-f _, 1, "_ is bareword after filetest operator"); |
| 163 | |
| 164 | my $over; |
| 165 | { |
| 166 | package OverFtest; |
| 167 | |
| 168 | use overload |
| 169 | fallback => 1, |
| 170 | -X => sub { |
| 171 | $over = [qq($_[0]), $_[1]]; |
| 172 | "-$_[1]"; |
| 173 | }; |
| 174 | } |
| 175 | { |
| 176 | package OverString; |
| 177 | |
| 178 | # No fallback. -X should fall back to string overload even without |
| 179 | # it. |
| 180 | use overload q/""/ => sub { $over = 1; "TEST" }; |
| 181 | } |
| 182 | { |
| 183 | package OverBoth; |
| 184 | |
| 185 | use overload |
| 186 | q/""/ => sub { "TEST" }, |
| 187 | -X => sub { "-$_[1]" }; |
| 188 | } |
| 189 | { |
| 190 | package OverNeither; |
| 191 | |
| 192 | # Need fallback. Previous versions of perl required 'fallback' to do |
| 193 | # -X operations on an object with no "" overload. |
| 194 | use overload |
| 195 | '+' => sub { 1 }, |
| 196 | fallback => 1; |
| 197 | } |
| 198 | |
| 199 | my $ft = bless [], "OverFtest"; |
| 200 | my $ftstr = qq($ft); |
| 201 | my $str = bless [], "OverString"; |
| 202 | my $both = bless [], "OverBoth"; |
| 203 | my $neither = bless [], "OverNeither"; |
| 204 | my $nstr = qq($neither); |
| 205 | |
| 206 | open my $gv, "<", "TEST"; |
| 207 | bless $gv, "OverString"; |
| 208 | open my $io, "<", "TEST"; |
| 209 | $io = *{$io}{IO}; |
| 210 | bless $io, "OverString"; |
| 211 | |
| 212 | my $fcntl_not_available; |
| 213 | eval { require Fcntl } or $fcntl_not_available = 1; |
| 214 | |
| 215 | for my $op (split //, "rwxoRWXOezsfdlpSbctugkTMBAC") { |
| 216 | $over = []; |
| 217 | my $rv = eval "-$op \$ft"; |
| 218 | isnt( $rv, undef, "overloaded -$op succeeds" ) |
| 219 | or diag( $@ ); |
| 220 | is( $over->[0], $ftstr, "correct object for overloaded -$op" ); |
| 221 | is( $over->[1], $op, "correct op for overloaded -$op" ); |
| 222 | is( $rv, "-$op", "correct return value for overloaded -$op"); |
| 223 | |
| 224 | my ($exp, $is) = (1, "is"); |
| 225 | if ( |
| 226 | ( |
| 227 | !$fcntl_not_available and |
| 228 | ( |
| 229 | $op eq "u" and not eval { Fcntl::S_ISUID() } or |
| 230 | $op eq "g" and not eval { Fcntl::S_ISGID() } or |
| 231 | $op eq "k" and not eval { Fcntl::S_ISVTX() } |
| 232 | ) |
| 233 | ) |
| 234 | || |
| 235 | # the Fcntl test is meaningless in miniperl and |
| 236 | # S_ISVTX isn't available on Win32 |
| 237 | ( $^O eq 'MSWin32' && $op eq 'k' && is_miniperl ) |
| 238 | ) { |
| 239 | ($exp, $is) = (0, "not"); |
| 240 | } |
| 241 | |
| 242 | $over = 0; |
| 243 | $rv = eval "-$op \$str"; |
| 244 | is($@, "", "-$op succeeds with string overloading"); |
| 245 | is( $rv, eval "-$op 'TEST'", "correct -$op on string overload" ); |
| 246 | is( $over, $exp, "string overload $is called for -$op" ); |
| 247 | |
| 248 | ($exp, $is) = $op eq "l" ? (1, "is") : (0, "not"); |
| 249 | |
| 250 | $over = 0; |
| 251 | eval "-$op \$gv"; |
| 252 | is( $over, $exp, "string overload $is called for -$op on GLOB" ); |
| 253 | |
| 254 | # IO refs always get string overload called. This might be a bug. |
| 255 | $op eq "t" || $op eq "T" || $op eq "B" |
| 256 | and ($exp, $is) = (1, "is"); |
| 257 | |
| 258 | $over = 0; |
| 259 | eval "-$op \$io"; |
| 260 | is( $over, $exp, "string overload $is called for -$op on IO"); |
| 261 | |
| 262 | $rv = eval "-$op \$both"; |
| 263 | is( $rv, "-$op", "correct -$op on string/-X overload" ); |
| 264 | |
| 265 | $rv = eval "-$op \$neither"; |
| 266 | is($@, "", "-$op succeeds with random overloading"); |
| 267 | is( $rv, eval "-$op \$nstr", "correct -$op with random overloading" ); |
| 268 | |
| 269 | is( eval "-r -$op \$ft", "-r", "stacked overloaded -$op" ); |
| 270 | is( eval "-$op -r \$ft", "-$op", "overloaded stacked -$op" ); |
| 271 | } |
| 272 | |
| 273 | # -l stack corruption: this bug occurred from 5.8 to 5.14 |
| 274 | { |
| 275 | push my @foo, "bar", -l baz; |
| 276 | is $foo[0], "bar", '-l bareword does not corrupt the stack'; |
| 277 | } |
| 278 | |
| 279 | # -l and fatal warnings |
| 280 | stat "test.pl"; |
| 281 | eval { use warnings FATAL => io; -l cradd }; |
| 282 | isnt(stat _, 1, |
| 283 | 'fatal warnings do not prevent -l HANDLE from setting stat status'); |
| 284 | |
| 285 | # File test ops should not call get-magic on the topmost SV on the stack if |
| 286 | # it belongs to another op. |
| 287 | { |
| 288 | my $w; |
| 289 | sub oon::TIESCALAR{bless[],'oon'} |
| 290 | sub oon::FETCH{$w++} |
| 291 | tie my $t, 'oon'; |
| 292 | push my @a, $t, -t; |
| 293 | is $w, 1, 'file test does not call FETCH on stack item not its own'; |
| 294 | } |
| 295 | |
| 296 | # -T and -B |
| 297 | |
| 298 | my $Perl = which_perl(); |
| 299 | |
| 300 | SKIP: { |
| 301 | skip "no -T on filehandles", 8 unless eval { -T STDERR; 1 }; |
| 302 | |
| 303 | # Test that -T HANDLE sets the last stat type |
| 304 | -l "perl.c"; # last stat type is now lstat |
| 305 | -T STDERR; # should set it to stat, since -T does a stat |
| 306 | eval { -l _ }; # should die, because the last stat type is not lstat |
| 307 | like $@, qr/^The stat preceding -l _ wasn't an lstat at /, |
| 308 | '-T HANDLE sets the stat type'; |
| 309 | |
| 310 | # statgv should be cleared when freed |
| 311 | fresh_perl_is |
| 312 | 'open my $fh, "test.pl"; -r $fh; undef $fh; open my $fh2, ' |
| 313 | . "q\0$Perl\0; print -B _", |
| 314 | '', |
| 315 | { switches => ['-l'] }, |
| 316 | 'PL_statgv should not point to freed-and-reused SV'; |
| 317 | |
| 318 | # or coerced into a non-glob |
| 319 | fresh_perl_is |
| 320 | 'open Fh, "test.pl"; -r($h{i} = *Fh); $h{i} = 3; undef %h;' |
| 321 | . 'open my $fh2, ' . "q\0" . which_perl() . "\0; print -B _", |
| 322 | '', |
| 323 | { switches => ['-l'] }, |
| 324 | 'PL_statgv should not point to coerced-freed-and-reused GV'; |
| 325 | |
| 326 | # -T _ should work after stat $ioref |
| 327 | open my $fh, 'test.pl'; |
| 328 | stat $Perl; # a binary file |
| 329 | stat *$fh{IO}; |
| 330 | is(-T _, 1, '-T _ works after stat $ioref'); |
| 331 | |
| 332 | # and after -r $ioref |
| 333 | -r *$fh{IO}; |
| 334 | is(-T _, 1, '-T _ works after -r $ioref'); |
| 335 | |
| 336 | # -T _ on closed filehandle should still reset stat info |
| 337 | stat $fh; |
| 338 | close $fh; |
| 339 | -T _; |
| 340 | isnt(stat _, 1, '-T _ on closed filehandle resets stat info'); |
| 341 | |
| 342 | lstat "test.pl"; |
| 343 | -T $fh; # closed |
| 344 | eval { lstat _ }; |
| 345 | like $@, qr/^The stat preceding lstat\(\) wasn't an lstat at /, |
| 346 | '-T on closed handle resets last stat type'; |
| 347 | |
| 348 | # Fatal warnings should not affect the setting of errno. |
| 349 | $! = 7; |
| 350 | -T cradd; |
| 351 | my $errno = $!; |
| 352 | $! = 7; |
| 353 | eval { use warnings FATAL => unopened; -T cradd }; |
| 354 | my $errno2 = $!; |
| 355 | is $errno2, $errno, |
| 356 | 'fatal warnings do not affect errno after -T BADHADNLE'; |
| 357 | } |
| 358 | |
| 359 | is runperl(prog => '-T _', switches => ['-w'], stderr => 1), "", |
| 360 | 'no uninit warnings from -T with no preceding stat'; |
| 361 | |
| 362 | SKIP: { |
| 363 | my $rand_file_name = 'filetest-' . rand =~ y/.//dr; |
| 364 | if (-e $rand_file_name) { skip "File $rand_file_name exists", 1 } |
| 365 | stat 'test.pl'; |
| 366 | -T $rand_file_name; |
| 367 | isnt(stat _, 1, '-T "nonexistent" resets stat success status'); |
| 368 | } |
| 369 | |
| 370 | # Unsuccessful filetests on filehandles should leave stat buffers in the |
| 371 | # same state whether fatal warnings are on or off. |
| 372 | { |
| 373 | stat "test.pl"; |
| 374 | # This GV has no IO |
| 375 | -r *phlon; |
| 376 | my $failed_stat1 = stat _; |
| 377 | |
| 378 | stat "test.pl"; |
| 379 | eval { use warnings FATAL => unopened; -r *phlon }; |
| 380 | my $failed_stat2 = stat _; |
| 381 | |
| 382 | is $failed_stat2, $failed_stat1, |
| 383 | 'failed -r($gv_without_io) with and w/out fatal warnings'; |
| 384 | |
| 385 | stat "test.pl"; |
| 386 | -r cength; # at compile time autovivifies IO, but with no fp |
| 387 | $failed_stat1 = stat _; |
| 388 | |
| 389 | stat "test.pl"; |
| 390 | eval { use warnings FATAL => unopened; -r cength }; |
| 391 | $failed_stat2 = stat _; |
| 392 | |
| 393 | is $failed_stat2, $failed_stat1, |
| 394 | 'failed -r($gv_with_io_but_no_fp) with and w/out fatal warnings'; |
| 395 | } |