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