1#!./perl 2 3# $RCSfile: dbm.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:43 $ 4 5BEGIN { 6 chdir 't' if -d 't'; 7 @INC = '../lib'; 8 require Config; import Config; 9 if ($Config{'extensions'} !~ /\bNDBM_File\b/) { 10 print "1..0 # Skip: NDBM_File was not built\n"; 11 exit 0; 12 } 13} 14 15use strict; 16use warnings; 17 18sub ok 19{ 20 my $no = shift ; 21 my $result = shift ; 22 23 print "not " unless $result ; 24 print "ok $no\n" ; 25} 26 27require NDBM_File; 28#If Fcntl is not available, try 0x202 or 0x102 for O_RDWR|O_CREAT 29use Fcntl; 30 31print "1..77\n"; 32 33unlink <Op.dbmx*>; 34 35umask(0); 36my %h; 37ok(1, tie(%h,'NDBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)); 38 39my $Dfile = "Op.dbmx.pag"; 40if (! -e $Dfile) { 41 ($Dfile) = <Op.dbmx*>; 42} 43if ($^O eq 'amigaos' || $^O eq 'os2' || $^O eq 'MSWin32' || $^O eq 'NetWare' || $^O eq 'MacOS') { 44 print "ok 2 # Skipped: different file permission semantics\n"; 45} 46else { 47 my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime, 48 $blksize,$blocks) = stat($Dfile); 49 print (($mode & 0777) == 0640 ? "ok 2\n" : "not ok 2\n"); 50} 51my $i = 0; 52while (my ($key,$value) = each(%h)) { 53 $i++; 54} 55print (!$i ? "ok 3\n" : "not ok 3\n"); 56 57$h{'goner1'} = 'snork'; 58 59$h{'abc'} = 'ABC'; 60$h{'def'} = 'DEF'; 61$h{'jkl','mno'} = "JKL\034MNO"; 62$h{'a',2,3,4,5} = join("\034",'A',2,3,4,5); 63$h{'a'} = 'A'; 64$h{'b'} = 'B'; 65$h{'c'} = 'C'; 66$h{'d'} = 'D'; 67$h{'e'} = 'E'; 68$h{'f'} = 'F'; 69$h{'g'} = 'G'; 70$h{'h'} = 'H'; 71$h{'i'} = 'I'; 72 73$h{'goner2'} = 'snork'; 74delete $h{'goner2'}; 75 76untie(%h); 77print (tie(%h,'NDBM_File','Op.dbmx', &O_RDWR, 0640) ? "ok 4\n" : "not ok 4\n"); 78 79$h{'j'} = 'J'; 80$h{'k'} = 'K'; 81$h{'l'} = 'L'; 82$h{'m'} = 'M'; 83$h{'n'} = 'N'; 84$h{'o'} = 'O'; 85$h{'p'} = 'P'; 86$h{'q'} = 'Q'; 87$h{'r'} = 'R'; 88$h{'s'} = 'S'; 89$h{'t'} = 'T'; 90$h{'u'} = 'U'; 91$h{'v'} = 'V'; 92$h{'w'} = 'W'; 93$h{'x'} = 'X'; 94$h{'y'} = 'Y'; 95$h{'z'} = 'Z'; 96 97$h{'goner3'} = 'snork'; 98 99delete $h{'goner1'}; 100delete $h{'goner3'}; 101 102my @keys = keys(%h); 103my @values = values(%h); 104 105if ($#keys == 29 && $#values == 29) {print "ok 5\n";} else {print "not ok 5\n";} 106 107while (my ($key,$value) = each(%h)) { 108 if ($key eq $keys[$i] && $value eq $values[$i] && $key eq lc($value)) { 109 $key =~ y/a-z/A-Z/; 110 $i++ if $key eq $value; 111 } 112} 113 114if ($i == 30) {print "ok 6\n";} else {print "not ok 6\n";} 115 116@keys = ('blurfl', keys(%h), 'dyick'); 117if ($#keys == 31) {print "ok 7\n";} else {print "not ok 7\n";} 118 119$h{'foo'} = ''; 120$h{''} = 'bar'; 121 122# check cache overflow and numeric keys and contents 123my $ok = 1; 124for ($i = 1; $i < 200; $i++) { $h{$i + 0} = $i + 0; } 125for ($i = 1; $i < 200; $i++) { $ok = 0 unless $h{$i} == $i; } 126print ($ok ? "ok 8\n" : "not ok 8\n"); 127 128my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime, 129 $blksize,$blocks) = stat($Dfile); 130print ($size > 0 ? "ok 9\n" : "not ok 9\n"); 131 132@h{0..200} = 200..400; 133my @foo = @h{0..200}; 134print join(':',200..400) eq join(':',@foo) ? "ok 10\n" : "not ok 10\n"; 135 136print ($h{'foo'} eq '' ? "ok 11\n" : "not ok 11\n"); 137print ($h{''} eq 'bar' ? "ok 12\n" : "not ok 12\n"); 138 139untie %h; 140unlink <Op.dbmx*>, $Dfile; 141 142{ 143 # sub-class test 144 145 package Another ; 146 147 use strict ; 148 use warnings ; 149 150 open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ; 151 print FILE <<'EOM' ; 152 153 package SubDB ; 154 155 use strict ; 156 use warnings ; 157 use vars qw(@ISA @EXPORT) ; 158 159 require Exporter ; 160 use NDBM_File; 161 @ISA=qw(NDBM_File); 162 @EXPORT = @NDBM_File::EXPORT if defined @NDBM_File::EXPORT ; 163 164 sub STORE { 165 my $self = shift ; 166 my $key = shift ; 167 my $value = shift ; 168 $self->SUPER::STORE($key, $value * 2) ; 169 } 170 171 sub FETCH { 172 my $self = shift ; 173 my $key = shift ; 174 $self->SUPER::FETCH($key) - 1 ; 175 } 176 177 sub A_new_method 178 { 179 my $self = shift ; 180 my $key = shift ; 181 my $value = $self->FETCH($key) ; 182 return "[[$value]]" ; 183 } 184 185 1 ; 186EOM 187 188 close FILE ; 189 190 BEGIN { push @INC, '.'; } 191 192 eval 'use SubDB ; use Fcntl ; '; 193 main::ok(13, $@ eq "") ; 194 my %h ; 195 my $X ; 196 eval ' 197 $X = tie(%h, "SubDB","dbhash.tmp", O_RDWR|O_CREAT, 0640 ); 198 ' ; 199 200 main::ok(14, $@ eq "") ; 201 202 my $ret = eval '$h{"fred"} = 3 ; return $h{"fred"} ' ; 203 main::ok(15, $@ eq "") ; 204 main::ok(16, $ret == 5) ; 205 206 $ret = eval '$X->A_new_method("fred") ' ; 207 main::ok(17, $@ eq "") ; 208 main::ok(18, $ret eq "[[5]]") ; 209 210 undef $X; 211 untie(%h); 212 unlink "SubDB.pm", <dbhash.tmp*> ; 213 214} 215 216{ 217 # DBM Filter tests 218 use strict ; 219 use warnings ; 220 my (%h, $db) ; 221 my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 222 223 sub checkOutput 224 { 225 my($fk, $sk, $fv, $sv) = @_ ; 226 return 227 $fetch_key eq $fk && $store_key eq $sk && 228 $fetch_value eq $fv && $store_value eq $sv && 229 $_ eq 'original' ; 230 } 231 232 unlink <Op.dbmx*>; 233 ok(19, $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ; 234 235 $db->filter_fetch_key (sub { $fetch_key = $_ }) ; 236 $db->filter_store_key (sub { $store_key = $_ }) ; 237 $db->filter_fetch_value (sub { $fetch_value = $_}) ; 238 $db->filter_store_value (sub { $store_value = $_ }) ; 239 240 $_ = "original" ; 241 242 $h{"fred"} = "joe" ; 243 # fk sk fv sv 244 ok(20, checkOutput( "", "fred", "", "joe")) ; 245 246 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 247 ok(21, $h{"fred"} eq "joe"); 248 # fk sk fv sv 249 ok(22, checkOutput( "", "fred", "joe", "")) ; 250 251 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 252 ok(23, $db->FIRSTKEY() eq "fred") ; 253 # fk sk fv sv 254 ok(24, checkOutput( "fred", "", "", "")) ; 255 256 # replace the filters, but remember the previous set 257 my ($old_fk) = $db->filter_fetch_key 258 (sub { $_ = uc $_ ; $fetch_key = $_ }) ; 259 my ($old_sk) = $db->filter_store_key 260 (sub { $_ = lc $_ ; $store_key = $_ }) ; 261 my ($old_fv) = $db->filter_fetch_value 262 (sub { $_ = "[$_]"; $fetch_value = $_ }) ; 263 my ($old_sv) = $db->filter_store_value 264 (sub { s/o/x/g; $store_value = $_ }) ; 265 266 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 267 $h{"Fred"} = "Joe" ; 268 # fk sk fv sv 269 ok(25, checkOutput( "", "fred", "", "Jxe")) ; 270 271 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 272 ok(26, $h{"Fred"} eq "[Jxe]"); 273 # fk sk fv sv 274 ok(27, checkOutput( "", "fred", "[Jxe]", "")) ; 275 276 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 277 ok(28, $db->FIRSTKEY() eq "FRED") ; 278 # fk sk fv sv 279 ok(29, checkOutput( "FRED", "", "", "")) ; 280 281 # put the original filters back 282 $db->filter_fetch_key ($old_fk); 283 $db->filter_store_key ($old_sk); 284 $db->filter_fetch_value ($old_fv); 285 $db->filter_store_value ($old_sv); 286 287 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 288 $h{"fred"} = "joe" ; 289 ok(30, checkOutput( "", "fred", "", "joe")) ; 290 291 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 292 ok(31, $h{"fred"} eq "joe"); 293 ok(32, checkOutput( "", "fred", "joe", "")) ; 294 295 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 296 ok(33, $db->FIRSTKEY() eq "fred") ; 297 ok(34, checkOutput( "fred", "", "", "")) ; 298 299 # delete the filters 300 $db->filter_fetch_key (undef); 301 $db->filter_store_key (undef); 302 $db->filter_fetch_value (undef); 303 $db->filter_store_value (undef); 304 305 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 306 $h{"fred"} = "joe" ; 307 ok(35, checkOutput( "", "", "", "")) ; 308 309 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 310 ok(36, $h{"fred"} eq "joe"); 311 ok(37, checkOutput( "", "", "", "")) ; 312 313 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; 314 ok(38, $db->FIRSTKEY() eq "fred") ; 315 ok(39, checkOutput( "", "", "", "")) ; 316 317 undef $db ; 318 untie %h; 319 unlink <Op.dbmx*>; 320} 321 322{ 323 # DBM Filter with a closure 324 325 use strict ; 326 use warnings ; 327 my (%h, $db) ; 328 329 unlink <Op.dbmx*>; 330 ok(40, $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ; 331 332 my %result = () ; 333 334 sub Closure 335 { 336 my ($name) = @_ ; 337 my $count = 0 ; 338 my @kept = () ; 339 340 return sub { ++$count ; 341 push @kept, $_ ; 342 $result{$name} = "$name - $count: [@kept]" ; 343 } 344 } 345 346 $db->filter_store_key(Closure("store key")) ; 347 $db->filter_store_value(Closure("store value")) ; 348 $db->filter_fetch_key(Closure("fetch key")) ; 349 $db->filter_fetch_value(Closure("fetch value")) ; 350 351 $_ = "original" ; 352 353 $h{"fred"} = "joe" ; 354 ok(41, $result{"store key"} eq "store key - 1: [fred]"); 355 ok(42, $result{"store value"} eq "store value - 1: [joe]"); 356 ok(43, !defined $result{"fetch key"} ); 357 ok(44, !defined $result{"fetch value"} ); 358 ok(45, $_ eq "original") ; 359 360 ok(46, $db->FIRSTKEY() eq "fred") ; 361 ok(47, $result{"store key"} eq "store key - 1: [fred]"); 362 ok(48, $result{"store value"} eq "store value - 1: [joe]"); 363 ok(49, $result{"fetch key"} eq "fetch key - 1: [fred]"); 364 ok(50, ! defined $result{"fetch value"} ); 365 ok(51, $_ eq "original") ; 366 367 $h{"jim"} = "john" ; 368 ok(52, $result{"store key"} eq "store key - 2: [fred jim]"); 369 ok(53, $result{"store value"} eq "store value - 2: [joe john]"); 370 ok(54, $result{"fetch key"} eq "fetch key - 1: [fred]"); 371 ok(55, ! defined $result{"fetch value"} ); 372 ok(56, $_ eq "original") ; 373 374 ok(57, $h{"fred"} eq "joe"); 375 ok(58, $result{"store key"} eq "store key - 3: [fred jim fred]"); 376 ok(59, $result{"store value"} eq "store value - 2: [joe john]"); 377 ok(60, $result{"fetch key"} eq "fetch key - 1: [fred]"); 378 ok(61, $result{"fetch value"} eq "fetch value - 1: [joe]"); 379 ok(62, $_ eq "original") ; 380 381 undef $db ; 382 untie %h; 383 unlink <Op.dbmx*>; 384} 385 386{ 387 # DBM Filter recursion detection 388 use strict ; 389 use warnings ; 390 my (%h, $db) ; 391 unlink <Op.dbmx*>; 392 393 ok(63, $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ; 394 395 $db->filter_store_key (sub { $_ = $h{$_} }) ; 396 397 eval '$h{1} = 1234' ; 398 ok(64, $@ =~ /^recursion detected in filter_store_key at/ ); 399 400 undef $db ; 401 untie %h; 402 unlink <Op.dbmx*>; 403} 404 405{ 406 # Bug ID 20001013.009 407 # 408 # test that $hash{KEY} = undef doesn't produce the warning 409 # Use of uninitialized value in null operation 410 use warnings ; 411 use strict ; 412 use NDBM_File ; 413 414 unlink <Op.dbmx*>; 415 my %h ; 416 my $a = ""; 417 local $SIG{__WARN__} = sub {$a = $_[0]} ; 418 419 ok(65, tie(%h, 'NDBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ; 420} 421 422{ 423 # When iterating over a tied hash using "each", the key passed to FETCH 424 # will be recycled and passed to NEXTKEY. If a Source Filter modifies the 425 # key in FETCH via a filter_fetch_key method we need to check that the 426 # modified key doesn't get passed to NEXTKEY. 427 # Also Test "keys" & "values" while we are at it. 428 429 use warnings ; 430 use strict ; 431 use NDBM_File ; 432 433 unlink <Op.dbmx*>; 434 my $bad_key = 0 ; 435 my %h = () ; 436 ok(66, my $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ; 437 $db->filter_fetch_key (sub { $_ =~ s/^Beta_/Alpha_/ if defined $_}) ; 438 $db->filter_store_key (sub { $bad_key = 1 if /^Beta_/ ; $_ =~ s/^Alpha_/Beta_/}) ; 439 440 $h{'Alpha_ABC'} = 2 ; 441 $h{'Alpha_DEF'} = 5 ; 442 443 ok(67, $h{'Alpha_ABC'} == 2); 444 ok(68, $h{'Alpha_DEF'} == 5); 445 446 my ($k, $v) = ("",""); 447 while (($k, $v) = each %h) {} 448 ok(69, $bad_key == 0); 449 450 $bad_key = 0 ; 451 foreach $k (keys %h) {} 452 ok(70, $bad_key == 0); 453 454 $bad_key = 0 ; 455 foreach $v (values %h) {} 456 ok(71, $bad_key == 0); 457 458 undef $db ; 459 untie %h ; 460 unlink <Op.dbmx*>; 461} 462 463 464{ 465 # Check that DBM Filter can cope with read-only $_ 466 467 use warnings ; 468 use strict ; 469 my %h ; 470 unlink <Op.dbmx*>; 471 472 ok(72, my $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ; 473 474 $db->filter_fetch_key (sub { }) ; 475 $db->filter_store_key (sub { }) ; 476 $db->filter_fetch_value (sub { }) ; 477 $db->filter_store_value (sub { }) ; 478 479 $_ = "original" ; 480 481 $h{"fred"} = "joe" ; 482 ok(73, $h{"fred"} eq "joe"); 483 484 eval { grep { $h{$_} } (1, 2, 3) }; 485 ok (74, ! $@); 486 487 488 # delete the filters 489 $db->filter_fetch_key (undef); 490 $db->filter_store_key (undef); 491 $db->filter_fetch_value (undef); 492 $db->filter_store_value (undef); 493 494 $h{"fred"} = "joe" ; 495 496 ok(75, $h{"fred"} eq "joe"); 497 498 ok(76, $db->FIRSTKEY() eq "fred") ; 499 500 eval { grep { $h{$_} } (1, 2, 3) }; 501 ok (77, ! $@); 502 503 undef $db ; 504 untie %h; 505 unlink <Op.dbmx*>; 506} 507exit ; 508