4 unless(grep /blib/, @INC) {
6 @INC = '../lib' if -d '../lib';
15 if(-d "lib" && -f "TEST") {
16 if ($Config{'extensions'} !~ /\bDB_File\b/ ) {
17 print "1..0 # Skip: DB_File was not built\n";
25 our ($dbh, $Dfile, $bad_ones, $FA);
27 # full tied array support started in Perl 5.004_57
28 # Double check to see if it is available.
31 sub try::TIEARRAY { bless [], "try" }
32 sub try::FETCHSIZE { $FA = 1 }
45 print "not " unless $result ;
58 my $filename = shift ;
60 open ($fh, ">$filename") || die "Cannot open $filename: $!" ;
61 my $real_stdout = select($fh) ;
62 return bless [$fh, $real_stdout ] ;
77 open(CAT,$file) || die "Cannot open $file:$!";
87 my $result = docat($file);
96 local $SIG{__WARN__} = sub {-- $no_inner } ;
103 unless ($bad_ones++) {
106 # Some older versions of Berkeley DB version 1 will fail db-recno
107 # tests 61, 63 and 65.
110 && $Config{db_version_major} == 1
111 && $Config{db_version_minor} == 0
112 && $Config{db_version_patch} == 0) {
115 # For example Mac OS X 10.2 (or earlier) has such an old
116 # version of Berkeley DB.
122 # You can safely ignore the errors if you're never going to use the
123 # broken functionality (recno databases with a modified bval).
124 # Otherwise you'll have to upgrade your DB library.
126 # If you want to use Berkeley DB version 1, then 1.85 and 1.86 are the
127 # last versions that were released. Berkeley DB version 2 is continually
128 # being updated -- Check out http://www.sleepycat.com/ for more details.
136 return unless $^O eq 'cygwin' ;
144 local $SIG{__DIE__} ;
145 eval { require Data::Dumper ; import Data::Dumper } ;
149 *Dumper = sub { my $a = shift; return "[ @{ $a } ]" } ;
153 my $splice_tests = 10 + 12 + 1; # ten regressions, plus the randoms
154 my $total_tests = 158 ;
155 $total_tests += $splice_tests if $FA ;
156 print "1..$total_tests\n";
158 $Dfile = "recno.tmp";
163 # Check the interface to RECNOINFO
165 $dbh = new DB_File::RECNOINFO ;
166 ok(1, ! defined $dbh->{bval}) ;
167 ok(2, ! defined $dbh->{cachesize}) ;
168 ok(3, ! defined $dbh->{psize}) ;
169 ok(4, ! defined $dbh->{flags}) ;
170 ok(5, ! defined $dbh->{lorder}) ;
171 ok(6, ! defined $dbh->{reclen}) ;
172 ok(7, ! defined $dbh->{bfname}) ;
174 $dbh->{bval} = 3000 ;
175 ok(8, $dbh->{bval} == 3000 );
177 $dbh->{cachesize} = 9000 ;
178 ok(9, $dbh->{cachesize} == 9000 );
180 $dbh->{psize} = 400 ;
181 ok(10, $dbh->{psize} == 400 );
184 ok(11, $dbh->{flags} == 65 );
186 $dbh->{lorder} = 123 ;
187 ok(12, $dbh->{lorder} == 123 );
189 $dbh->{reclen} = 1234 ;
190 ok(13, $dbh->{reclen} == 1234 );
192 $dbh->{bfname} = 1234 ;
193 ok(14, $dbh->{bfname} == 1234 );
196 # Check that an invalid entry is caught both for store & fetch
197 eval '$dbh->{fred} = 1234' ;
198 ok(15, $@ =~ /^DB_File::RECNOINFO::STORE - Unknown element 'fred' at/ );
199 eval 'my $q = $dbh->{fred}' ;
200 ok(16, $@ =~ /^DB_File::RECNOINFO::FETCH - Unknown element 'fred' at/ );
202 # Now check the interface to RECNOINFO
206 ok(17, $X = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ;
208 my %noMode = map { $_, 1} qw( amigaos MSWin32 NetWare cygwin ) ;
210 ok(18, ((stat($Dfile))[2] & 0777) == (($^O eq 'os2' || $^O eq 'MacOS') ? 0666 : 0640)
215 ok(19, ($FA ? @h == 0 : !$l) );
217 my @data = qw( a b c d ever f g h i j k longername m n o p) ;
219 $h[0] = shift @data ;
220 ok(20, $h[0] eq 'a' );
226 unshift (@data, 'a') ;
228 ok(21, defined $h[1] );
229 ok(22, ! defined $h[16] );
230 ok(23, $FA ? @h == @data : $X->length == @data );
233 # Overwrite an entry & check fetch it
235 $data[3] = 'replaced' ;
236 ok(24, $h[3] eq 'replaced' );
239 my @push_data = qw(added to the end) ;
240 ($FA ? push(@h, @push_data) : $X->push(@push_data)) ;
241 push (@data, @push_data) ;
242 ok(25, $h[++$i] eq 'added' );
243 ok(26, $h[++$i] eq 'to' );
244 ok(27, $h[++$i] eq 'the' );
245 ok(28, $h[++$i] eq 'end' );
248 my $popped = pop (@data) ;
249 my $value = ($FA ? pop @h : $X->pop) ;
250 ok(29, $value eq $popped) ;
253 $value = ($FA ? shift @h : $X->shift) ;
254 my $shifted = shift @data ;
255 ok(30, $value eq $shifted );
260 ($FA ? unshift @h,() : $X->unshift) ;
261 ok(31, ($FA ? @h == @data : $X->length == @data ));
263 my @new_data = qw(add this to the start of the array) ;
264 $FA ? unshift (@h, @new_data) : $X->unshift (@new_data) ;
265 unshift (@data, @new_data) ;
266 ok(32, $FA ? @h == @data : $X->length == @data );
267 ok(33, $h[0] eq "add") ;
268 ok(34, $h[1] eq "this") ;
269 ok(35, $h[2] eq "to") ;
270 ok(36, $h[3] eq "the") ;
271 ok(37, $h[4] eq "start") ;
272 ok(38, $h[5] eq "of") ;
273 ok(39, $h[6] eq "the") ;
274 ok(40, $h[7] eq "array") ;
275 ok(41, $h[8] eq $data[8]) ;
277 # Brief test for SPLICE - more thorough 'soak test' is later.
280 @old = splice(@h, 1, 2, qw(bananas just before));
283 @old = $X->splice(1, 2, qw(bananas just before));
285 ok(42, $h[0] eq "add") ;
286 ok(43, $h[1] eq "bananas") ;
287 ok(44, $h[2] eq "just") ;
288 ok(45, $h[3] eq "before") ;
289 ok(46, $h[4] eq "the") ;
290 ok(47, $h[5] eq "start") ;
291 ok(48, $h[6] eq "of") ;
292 ok(49, $h[7] eq "the") ;
293 ok(50, $h[8] eq "array") ;
294 ok(51, $h[9] eq $data[8]) ;
295 $FA ? splice(@h, 1, 3, @old) : $X->splice(1, 3, @old);
297 # Now both arrays should be identical
303 $ok = 0, last if $_ ne $h[$j ++] ;
307 # Neagtive subscripts
309 # get the last element of the array
310 ok(53, $h[-1] eq $data[-1] );
311 ok(54, $h[-1] eq $h[ ($FA ? @h : $X->length) -1] );
313 # get the first element using a negative subscript
314 eval '$h[ - ( $FA ? @h : $X->length)] = "abcd"' ;
316 ok(56, $h[0] eq "abcd" );
318 # now try to read before the start of the array
319 eval '$h[ - (1 + ($FA ? @h : $X->length))] = 1234' ;
320 ok(57, $@ =~ '^Modification of non-creatable array value attempted' );
322 # IMPORTANT - $X must be undefined before the untie otherwise the
323 # underlying DB close routine will not get called.
325 ok(58, safeUntie \@h);
331 # Check bval defaults to \n
334 my $dbh = new DB_File::RECNOINFO ;
335 ok(59, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ;
339 ok(60, safeUntie \@h);
340 my $x = docat($Dfile) ;
342 ok(61, $x eq "abc\ndef\n\nghi\n") ;
349 my $dbh = new DB_File::RECNOINFO ;
351 ok(62, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ;
355 ok(63, safeUntie \@h);
356 my $x = docat($Dfile) ;
358 my $ok = ($x eq "abc-def--ghi-") ;
359 bad_one() unless $ok ;
364 # Check R_FIXEDLEN with default bval (space)
367 my $dbh = new DB_File::RECNOINFO ;
368 $dbh->{flags} = R_FIXEDLEN ;
370 ok(65, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ;
374 ok(66, safeUntie \@h);
375 my $x = docat($Dfile) ;
377 my $ok = ($x eq "abc def ghi ") ;
378 bad_one() unless $ok ;
383 # Check R_FIXEDLEN with user-defined bval
386 my $dbh = new DB_File::RECNOINFO ;
387 $dbh->{flags} = R_FIXEDLEN ;
390 ok(68, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ;
394 ok(69, safeUntie \@h);
395 my $x = docat($Dfile) ;
397 my $ok = ($x eq "abc--def-------ghi--") ;
398 bad_one() unless $ok ;
403 # check that attempting to tie an associative array to a DB_RECNO will fail
405 my $filename = "xyz" ;
407 eval { tie %x, 'DB_File', $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO ; } ;
408 ok(71, $@ =~ /^DB_File can only tie an array to a DB_RECNO database/) ;
420 open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ;
432 @EXPORT = @DB_File::EXPORT ;
438 $self->SUPER::STORE($key, $value * 2) ;
444 $self->SUPER::FETCH($key) - 1 ;
451 $self->SUPER::put($key, $value * 3) ;
456 $self->SUPER::get($_[0], $_[1]) ;
464 my $value = $self->FETCH($key) ;
465 return "[[$value]]" ;
471 close FILE or die "Could not close: $!";
473 BEGIN { push @INC, '.'; }
475 main::ok(72, $@ eq "") ;
479 $X = tie(@h, "SubDB","recno.tmp", O_RDWR|O_CREAT, 0640, $DB_RECNO );
481 die "Could not tie: $!" unless $X;
483 main::ok(73, $@ eq "") ;
485 my $ret = eval '$h[3] = 3 ; return $h[3] ' ;
486 main::ok(74, $@ eq "") ;
487 main::ok(75, $ret == 5) ;
490 $ret = eval '$X->put(1, 4) ; $X->get(1, $value) ; return $value' ;
491 main::ok(76, $@ eq "") ;
492 main::ok(77, $ret == 10) ;
494 $ret = eval ' R_NEXT eq main::R_NEXT ' ;
495 main::ok(78, $@ eq "" ) ;
496 main::ok(79, $ret == 1) ;
498 $ret = eval '$X->A_new_method(1) ' ;
499 main::ok(80, $@ eq "") ;
500 main::ok(81, $ret eq "[[11]]") ;
503 main::ok(82, main::safeUntie \@h);
504 unlink "SubDB.pm", "recno.tmp" ;
513 ok(83, $self = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ;
518 ok(84, $FA ? $#h == 3 : $self->length() == 4) ;
520 ok(85, safeUntie \@h);
521 my $x = docat($Dfile) ;
522 ok(86, $x eq "abc\ndef\nghi\njkl\n") ;
524 # $# sets array to same length
525 ok(87, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
529 { $self->STORESIZE(4) }
530 ok(88, $FA ? $#h == 3 : $self->length() == 4) ;
532 ok(89, safeUntie \@h);
534 ok(90, $x eq "abc\ndef\nghi\njkl\n") ;
536 # $# sets array to bigger
537 ok(91, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
541 { $self->STORESIZE(7) }
542 ok(92, $FA ? $#h == 6 : $self->length() == 7) ;
544 ok(93, safeUntie \@h);
546 ok(94, $x eq "abc\ndef\nghi\njkl\n\n\n\n") ;
548 # $# sets array smaller
549 ok(95, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
553 { $self->STORESIZE(3) }
554 ok(96, $FA ? $#h == 2 : $self->length() == 3) ;
556 ok(97, safeUntie \@h);
558 ok(98, $x eq "abc\ndef\nghi\n") ;
570 my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
575 my($fk, $sk, $fv, $sv) = @_ ;
577 print "# Fetch Key : expected '$fk' got '$fetch_key'\n"
578 if $fetch_key ne $fk ;
579 print "# Fetch Value : expected '$fv' got '$fetch_value'\n"
580 if $fetch_value ne $fv ;
581 print "# Store Key : expected '$sk' got '$store_key'\n"
582 if $store_key ne $sk ;
583 print "# Store Value : expected '$sv' got '$store_value'\n"
584 if $store_value ne $sv ;
585 print "# \$_ : expected 'original' got '$_'\n"
586 if $_ ne 'original' ;
589 $fetch_key eq $fk && $store_key eq $sk &&
590 $fetch_value eq $fv && $store_value eq $sv &&
594 ok(99, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) );
596 $db->filter_fetch_key (sub { $fetch_key = $_ }) ;
597 $db->filter_store_key (sub { $store_key = $_ }) ;
598 $db->filter_fetch_value (sub { $fetch_value = $_}) ;
599 $db->filter_store_value (sub { $store_value = $_ }) ;
605 ok(100, checkOutput( "", 0, "", "joe")) ;
607 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
608 ok(101, $h[0] eq "joe");
610 ok(102, checkOutput( "", 0, "joe", "")) ;
612 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
613 ok(103, $db->FIRSTKEY() == 0) ;
615 ok(104, checkOutput( 0, "", "", "")) ;
617 # replace the filters, but remember the previous set
618 my ($old_fk) = $db->filter_fetch_key
619 (sub { ++ $_ ; $fetch_key = $_ }) ;
620 my ($old_sk) = $db->filter_store_key
621 (sub { $_ *= 2 ; $store_key = $_ }) ;
622 my ($old_fv) = $db->filter_fetch_value
623 (sub { $_ = "[$_]"; $fetch_value = $_ }) ;
624 my ($old_sv) = $db->filter_store_value
625 (sub { s/o/x/g; $store_value = $_ }) ;
627 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
630 ok(105, checkOutput( "", 2, "", "Jxe")) ;
632 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
633 ok(106, $h[1] eq "[Jxe]");
635 ok(107, checkOutput( "", 2, "[Jxe]", "")) ;
637 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
638 ok(108, $db->FIRSTKEY() == 1) ;
640 ok(109, checkOutput( 1, "", "", "")) ;
642 # put the original filters back
643 $db->filter_fetch_key ($old_fk);
644 $db->filter_store_key ($old_sk);
645 $db->filter_fetch_value ($old_fv);
646 $db->filter_store_value ($old_sv);
648 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
650 ok(110, checkOutput( "", 0, "", "joe")) ;
652 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
653 ok(111, $h[0] eq "joe");
654 ok(112, checkOutput( "", 0, "joe", "")) ;
656 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
657 ok(113, $db->FIRSTKEY() == 0) ;
658 ok(114, checkOutput( 0, "", "", "")) ;
661 $db->filter_fetch_key (undef);
662 $db->filter_store_key (undef);
663 $db->filter_fetch_value (undef);
664 $db->filter_store_value (undef);
666 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
668 ok(115, checkOutput( "", "", "", "")) ;
670 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
671 ok(116, $h[0] eq "joe");
672 ok(117, checkOutput( "", "", "", "")) ;
674 ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
675 ok(118, $db->FIRSTKEY() == 0) ;
676 ok(119, checkOutput( "", "", "", "")) ;
679 ok(120, safeUntie \@h);
684 # DBM Filter with a closure
691 ok(121, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) );
701 return sub { ++$count ;
703 $result{$name} = "$name - $count: [@kept]" ;
707 $db->filter_store_key(Closure("store key")) ;
708 $db->filter_store_value(Closure("store value")) ;
709 $db->filter_fetch_key(Closure("fetch key")) ;
710 $db->filter_fetch_value(Closure("fetch value")) ;
715 ok(122, $result{"store key"} eq "store key - 1: [0]");
716 ok(123, $result{"store value"} eq "store value - 1: [joe]");
717 ok(124, ! defined $result{"fetch key"} );
718 ok(125, ! defined $result{"fetch value"} );
719 ok(126, $_ eq "original") ;
721 ok(127, $db->FIRSTKEY() == 0 ) ;
722 ok(128, $result{"store key"} eq "store key - 1: [0]");
723 ok(129, $result{"store value"} eq "store value - 1: [joe]");
724 ok(130, $result{"fetch key"} eq "fetch key - 1: [0]");
725 ok(131, ! defined $result{"fetch value"} );
726 ok(132, $_ eq "original") ;
729 ok(133, $result{"store key"} eq "store key - 2: [0 7]");
730 ok(134, $result{"store value"} eq "store value - 2: [joe john]");
731 ok(135, $result{"fetch key"} eq "fetch key - 1: [0]");
732 ok(136, ! defined $result{"fetch value"} );
733 ok(137, $_ eq "original") ;
735 ok(138, $h[0] eq "joe");
736 ok(139, $result{"store key"} eq "store key - 3: [0 7 0]");
737 ok(140, $result{"store value"} eq "store value - 2: [joe john]");
738 ok(141, $result{"fetch key"} eq "fetch key - 1: [0]");
739 ok(142, $result{"fetch value"} eq "fetch value - 1: [joe]");
740 ok(143, $_ eq "original") ;
743 ok(144, safeUntie \@h);
748 # DBM Filter recursion detection
754 ok(145, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) );
756 $db->filter_store_key (sub { $_ = $h[0] }) ;
758 eval '$h[1] = 1234' ;
759 ok(146, $@ =~ /^recursion detected in filter_store_key at/ );
762 ok(147, safeUntie \@h);
768 # Examples from the POD
772 my $redirect = new Redirect $file ;
774 use warnings FATAL => qw(all);
778 my $filename = "text" ;
782 my $x = tie @h, "DB_File", $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO
783 or die "Cannot open file 'text': $!\n" ;
785 # Add a few key/value pairs to the file
790 $FA ? push @h, "green", "black"
791 : $x->push("green", "black") ;
793 my $elements = $FA ? scalar @h : $x->length ;
794 print "The array contains $elements entries\n" ;
796 my $last = $FA ? pop @h : $x->pop ;
797 print "popped $last\n" ;
799 $FA ? unshift @h, "white"
800 : $x->unshift("white") ;
801 my $first = $FA ? shift @h : $x->shift ;
802 print "shifted $first\n" ;
804 # Check for existence of a key
805 print "Element 1 Exists with value $h[1]\n" if $h[1] ;
807 # use a negative index
808 print "The last element is $h[-1]\n" ;
809 print "The 2nd last element is $h[-2]\n" ;
817 ok(148, docat_del($file) eq <<'EOM') ;
818 The array contains 5 entries
821 Element 1 Exists with value blue
822 The last element is green
823 The 2nd last element is yellow
826 my $save_output = "xyzt" ;
828 my $redirect = new Redirect $save_output ;
830 use warnings FATAL => qw(all);
832 our (@h, $H, $file, $i);
840 $H = tie @h, "DB_File", $file, O_RDWR|O_CREAT, 0640, $DB_RECNO
841 or die "Cannot open file $file: $!\n" ;
843 # first create a text file to play with
851 # Print the records in order.
853 # The length method is needed here because evaluating a tied
854 # array in a scalar context does not return the number of
855 # elements in the array.
857 print "\nORIGINAL\n" ;
858 foreach $i (0 .. $H->length - 1) {
859 print "$i: $h[$i]\n" ;
862 # use the push & pop methods
865 print "\nThe last record was [$a]\n" ;
867 # and the shift & unshift methods
869 $H->unshift("first") ;
870 print "The first record was [$a]\n" ;
872 # Use the API to add a new record after record 2.
874 $H->put($i, "Newbie", R_IAFTER) ;
876 # and a new record before record 1.
878 $H->put($i, "New One", R_IBEFORE) ;
883 # now print the records in reverse order
884 print "\nREVERSE\n" ;
885 for ($i = $H->length - 1 ; $i >= 0 ; -- $i)
886 { print "$i: $h[$i]\n" }
888 # same again, but use the API functions instead
889 print "\nREVERSE again\n" ;
890 my ($s, $k, $v) = (0, 0, 0) ;
891 for ($s = $H->seq($k, $v, R_LAST) ;
893 $s = $H->seq($k, $v, R_PREV))
902 ok(149, docat_del($save_output) eq <<'EOM') ;
911 The last record was [four]
912 The first record was [zero]
934 # Bug ID 20001013.009
936 # test that $hash{KEY} = undef doesn't produce the warning
937 # Use of uninitialized value in null operation
945 local $SIG{__WARN__} = sub {$a = $_[0]} ;
947 tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO
948 or die "Can't open file: $!\n" ;
951 ok(151, safeUntie \@h);
956 # test that %hash = () doesn't produce the warning
957 # Argument "" isn't numeric in entersub
962 local $SIG{__WARN__} = sub {$a = $_[0]} ;
967 tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO
968 or die "Can't open file: $!\n" ;
971 ok(153, safeUntie \@h);
976 # Check that DBM Filter can cope with read-only $_
983 ok(154, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) );
985 $db->filter_fetch_key (sub { }) ;
986 $db->filter_store_key (sub { }) ;
987 $db->filter_fetch_value (sub { }) ;
988 $db->filter_store_value (sub { }) ;
993 ok(155, $h[0] eq "joe");
995 eval { grep { $h[$_] } (1, 2, 3) };
1000 $db->filter_fetch_key (undef);
1001 $db->filter_store_key (undef);
1002 $db->filter_fetch_value (undef);
1003 $db->filter_store_value (undef);
1007 ok(157, $h[1] eq "joe");
1009 eval { grep { $h[$_] } (1, 2, 3) };
1017 # Only test splice if this is a newish version of Perl
1023 # check that the splice warnings are under the same lexical control
1024 # as their non-tied counterparts.
1031 local $SIG{__WARN__} = sub {$a = $_[0]} ;
1036 tie @tied, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO
1037 or die "Can't open file: $!\n" ;
1039 # uninitialized offset
1043 splice(@a, $offset);
1044 ok(159, $a =~ /^Use of uninitialized value /);
1046 splice(@tied, $offset);
1047 ok(160, $a =~ /^Use of uninitialized value in splice/);
1049 no warnings 'uninitialized';
1051 splice(@a, $offset);
1054 splice(@tied, $offset);
1057 # uninitialized length
1061 splice(@a, 0, $length);
1062 ok(163, $a =~ /^Use of uninitialized value /);
1064 splice(@tied, 0, $length);
1065 ok(164, $a =~ /^Use of uninitialized value in splice/);
1067 no warnings 'uninitialized';
1069 splice(@a, 0, $length);
1072 splice(@tied, 0, $length);
1075 # offset past end of array
1079 my $splice_end_array = ($a =~ /^splice\(\) offset past end of array/);
1082 ok(167, !$splice_end_array || $a =~ /^splice\(\) offset past end of array/);
1092 ok(170, safeUntie \@tied);
1097 # These are a few regression tests: bundles of five arguments to pass
1098 # to test_splice(). The first four arguments correspond to those
1099 # given to splice(), and the last says which context to call it in
1100 # (scalar, list or void).
1102 # The expected result is not needed because we get that by running
1103 # Perl's built-in splice().
1105 my @tests = ([ [ 'falsely', 'dinosaur', 'remedy', 'commotion',
1106 'rarely', 'paleness' ],
1108 [ 'redoubled', 'Taylorize', 'Zoe', 'halogen' ],
1111 [ [ 'a' ], -2, 1, [ 'B' ], 'void' ],
1113 [ [ 'Hartley', 'Islandia', 'assents', 'wishful' ],
1118 [ [ 'visibility', 'pocketful', 'rectangles' ],
1123 [ [ 'sleeplessly' ],
1125 [ 'Margery', 'clearing', 'repercussion', 'clubs',
1129 [ [ 'chastises', 'recalculates' ],
1131 [ 'momentariness', 'mediates', 'accents', 'toils',
1137 [ 'otrb', 'stje', 'ixrpw', 'vxfx', 'lhhf' ],
1142 [ 'otrb', 'stje', 'ixrpw', 'vxfx', 'lhhf' ],
1145 [ [ 'riheb' ], -8, undef, [], 'void' ],
1147 [ [ 'uft', 'qnxs', '' ],
1149 [ 'znp', 'mhnkh', 'bn' ],
1155 require POSIX; my $tmp = POSIX::tmpnam();
1156 foreach my $test (@tests) {
1157 my $err = test_splice(@$test);
1159 print STDERR "# failed: ", Dumper($test);
1160 print STDERR "# error: $err\n";
1164 else { ok($testnum++, 1) }
1168 # Not worth running the random ones
1169 print STDERR '# skipping ', $testnum++, "\n";
1172 # A thousand randomly-generated tests
1175 foreach (0 .. 1000 - 1) {
1176 my $test = rand_test();
1177 my $err = test_splice(@$test);
1179 print STDERR "# failed: ", Dumper($test);
1180 print STDERR "# error: $err\n";
1182 print STDERR "# skipping any remaining random tests\n";
1187 ok($testnum++, not $failed);
1190 die "testnum ($testnum) != total_tests ($total_tests) + 1"
1191 if $testnum != $total_tests + 1;
1195 # Subroutines for SPLICE testing
1199 # Test the new splice() against Perl's built-in one. The first four
1200 # parameters are those passed to splice(), except that the lists must
1201 # be (explicitly) passed by reference, and are not actually modified.
1202 # (It's just a test!) The last argument specifies the context in
1203 # which to call the functions: 'list', 'scalar', or 'void'.
1206 # undef, if the two splices give the same results for the given
1207 # arguments and context;
1209 # an error message showing the difference, otherwise.
1211 # Reads global variable $tmp.
1214 die 'usage: test_splice(array, offset, length, list, context)' if @_ != 5;
1215 my ($array, $offset, $length, $list, $context) = @_;
1216 my @array = @$array;
1222 my $H = tie @h, 'DB_File', $tmp, O_CREAT|O_RDWR, 0644, $DB_RECNO
1223 or die "cannot open $tmp: $!";
1226 foreach ( @array ) { $h[$i++] = $_ }
1228 return "basic DB_File sanity check failed"
1229 if list_diff(\@array, \@h);
1231 # Output from splice():
1232 # Returned value (munged a bit), error msg, warnings
1234 my ($s_r, $s_error, @s_warnings);
1236 my $gather_warning = sub { push @s_warnings, $_[0] };
1237 if ($context eq 'list') {
1240 local $SIG{__WARN__} = $gather_warning;
1241 @r = splice @array, $offset, $length, @list;
1246 elsif ($context eq 'scalar') {
1249 local $SIG{__WARN__} = $gather_warning;
1250 $r = splice @array, $offset, $length, @list;
1255 elsif ($context eq 'void') {
1257 local $SIG{__WARN__} = $gather_warning;
1258 splice @array, $offset, $length, @list;
1264 die "bad context $context";
1267 foreach ($s_error, @s_warnings) {
1269 s/ at \S+ line \d+\.$//;
1272 # Now do the same for DB_File's version of splice
1273 my ($ms_r, $ms_error, @ms_warnings);
1274 $gather_warning = sub { push @ms_warnings, $_[0] };
1275 if ($context eq 'list') {
1278 local $SIG{__WARN__} = $gather_warning;
1279 @r = splice @h, $offset, $length, @list;
1284 elsif ($context eq 'scalar') {
1287 local $SIG{__WARN__} = $gather_warning;
1288 $r = splice @h, $offset, $length, @list;
1293 elsif ($context eq 'void') {
1295 local $SIG{__WARN__} = $gather_warning;
1296 splice @h, $offset, $length, @list;
1302 die "bad context $context";
1305 foreach ($ms_error, @ms_warnings) {
1307 s/ at \S+ line \d+\.?.*//s;
1310 return "different errors: '$s_error' vs '$ms_error'"
1311 if $s_error ne $ms_error;
1312 return('different return values: ' . Dumper($s_r) . ' vs ' . Dumper($ms_r))
1313 if list_diff($s_r, $ms_r);
1314 return('different changed list: ' . Dumper(\@array) . ' vs ' . Dumper(\@h))
1315 if list_diff(\@array, \@h);
1317 if ((scalar @s_warnings) != (scalar @ms_warnings)) {
1318 return 'different number of warnings';
1321 while (@s_warnings) {
1322 my $sw = shift @s_warnings;
1323 my $msw = shift @ms_warnings;
1325 if (defined $sw and defined $msw) {
1326 $msw =~ s/ \(.+\)$//;
1327 $msw =~ s/ in splice$// if $] < 5.006;
1329 return "different warning: '$sw' vs '$msw'";
1332 elsif (not defined $sw and not defined $msw) {
1336 return "one warning defined, another undef";
1343 open(TEXT, $tmp) or die "cannot open $tmp: $!";
1344 @h = <TEXT>; normalise @h; chomp @h;
1345 close TEXT or die "cannot close $tmp: $!";
1346 return('list is different when re-read from disk: '
1347 . Dumper(\@array) . ' vs ' . Dumper(\@h))
1348 if list_diff(\@array, \@h);
1352 return undef; # success
1358 # Do two lists differ?
1361 # reference to first list
1362 # reference to second list
1364 # Returns true iff they differ. Only works for lists of (string or
1367 # Surely there is a better way to do this?
1370 die 'usage: list_diff(ref to first list, ref to second list)'
1373 my @a = @$a; my @b = @$b;
1374 return 1 if (scalar @a) != (scalar @b);
1375 for (my $i = 0; $i < @a; $i++) {
1376 my ($ae, $be) = ($a[$i], $b[$i]);
1377 if (defined $ae and defined $be) {
1378 return 1 if $ae ne $be;
1380 elsif (not defined $ae and not defined $be) {
1381 # Two undefined values are 'equal'
1393 # Think up a random ARRAY, OFFSET, LENGTH, LIST, and context.
1394 # ARRAY or LIST might be empty, and OFFSET or LENGTH might be
1395 # undefined. Return a 'test' - a listref of these five things.
1398 die 'usage: rand_test()' if @_;
1399 my @contexts = qw<list scalar void>;
1400 my $context = $contexts[int(rand @contexts)];
1401 return [ rand_list(),
1402 (rand() < 0.5) ? (int(rand(20)) - 10) : undef,
1403 (rand() < 0.5) ? (int(rand(20)) - 10) : undef,
1410 die 'usage: rand_list()' if @_;
1413 while (rand() > 0.1 * (scalar @r + 1)) {
1414 push @r, rand_word();
1421 die 'usage: rand_word()' if @_;
1423 my @chars = qw<a b c d e f g h i j k l m n o p q r s t u v w x y z>;
1424 while (rand() > 0.1 * (length($r) + 1)) {
1425 $r .= $chars[int(rand(scalar @chars))];