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Diffstat (limited to 'contrib/perl5/t/lib/db-recno.t')
-rwxr-xr-x | contrib/perl5/t/lib/db-recno.t | 889 |
1 files changed, 0 insertions, 889 deletions
diff --git a/contrib/perl5/t/lib/db-recno.t b/contrib/perl5/t/lib/db-recno.t deleted file mode 100755 index 8b5a88c..0000000 --- a/contrib/perl5/t/lib/db-recno.t +++ /dev/null @@ -1,889 +0,0 @@ -#!./perl -w - -BEGIN { - @INC = '../lib'; - require Config; import Config; - if ($Config{'extensions'} !~ /\bDB_File\b/) { - print "1..0 # Skip: DB_File was not built\n"; - exit 0; - } -} - -use DB_File; -use Fcntl; -use strict ; -use warnings; -use vars qw($dbh $Dfile $bad_ones $FA) ; - -# full tied array support started in Perl 5.004_57 -# Double check to see if it is available. - -{ - sub try::TIEARRAY { bless [], "try" } - sub try::FETCHSIZE { $FA = 1 } - $FA = 0 ; - my @a ; - tie @a, 'try' ; - my $a = @a ; -} - - -sub ok -{ - my $no = shift ; - my $result = shift ; - - print "not " unless $result ; - print "ok $no\n" ; - - return $result ; -} - -{ - package Redirect ; - use Symbol ; - - sub new - { - my $class = shift ; - my $filename = shift ; - my $fh = gensym ; - open ($fh, ">$filename") || die "Cannot open $filename: $!" ; - my $real_stdout = select($fh) ; - return bless [$fh, $real_stdout ] ; - - } - sub DESTROY - { - my $self = shift ; - close $self->[0] ; - select($self->[1]) ; - } -} - -sub docat -{ - my $file = shift; - local $/ = undef; - open(CAT,$file) || die "Cannot open $file:$!"; - my $result = <CAT>; - close(CAT); - return $result; -} - -sub docat_del -{ - my $file = shift; - local $/ = undef; - open(CAT,$file) || die "Cannot open $file: $!"; - my $result = <CAT>; - close(CAT); - unlink $file ; - return $result; -} - -sub bad_one -{ - print STDERR <<EOM unless $bad_ones++ ; -# -# Some older versions of Berkeley DB version 1 will fail tests 51, -# 53 and 55. -# -# You can safely ignore the errors if you're never going to use the -# broken functionality (recno databases with a modified bval). -# Otherwise you'll have to upgrade your DB library. -# -# If you want to use Berkeley DB version 1, then 1.85 and 1.86 are the -# last versions that were released. Berkeley DB version 2 is continually -# being updated -- Check out http://www.sleepycat.com/ for more details. -# -EOM -} - -print "1..128\n"; - -my $Dfile = "recno.tmp"; -unlink $Dfile ; - -umask(0); - -# Check the interface to RECNOINFO - -my $dbh = new DB_File::RECNOINFO ; -ok(1, ! defined $dbh->{bval}) ; -ok(2, ! defined $dbh->{cachesize}) ; -ok(3, ! defined $dbh->{psize}) ; -ok(4, ! defined $dbh->{flags}) ; -ok(5, ! defined $dbh->{lorder}) ; -ok(6, ! defined $dbh->{reclen}) ; -ok(7, ! defined $dbh->{bfname}) ; - -$dbh->{bval} = 3000 ; -ok(8, $dbh->{bval} == 3000 ); - -$dbh->{cachesize} = 9000 ; -ok(9, $dbh->{cachesize} == 9000 ); - -$dbh->{psize} = 400 ; -ok(10, $dbh->{psize} == 400 ); - -$dbh->{flags} = 65 ; -ok(11, $dbh->{flags} == 65 ); - -$dbh->{lorder} = 123 ; -ok(12, $dbh->{lorder} == 123 ); - -$dbh->{reclen} = 1234 ; -ok(13, $dbh->{reclen} == 1234 ); - -$dbh->{bfname} = 1234 ; -ok(14, $dbh->{bfname} == 1234 ); - - -# Check that an invalid entry is caught both for store & fetch -eval '$dbh->{fred} = 1234' ; -ok(15, $@ =~ /^DB_File::RECNOINFO::STORE - Unknown element 'fred' at/ ); -eval 'my $q = $dbh->{fred}' ; -ok(16, $@ =~ /^DB_File::RECNOINFO::FETCH - Unknown element 'fred' at/ ); - -# Now check the interface to RECNOINFO - -my $X ; -my @h ; -ok(17, $X = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ; - -ok(18, ((stat($Dfile))[2] & 0777) == ($^O eq 'os2' ? 0666 : 0640) - || $^O eq 'MSWin32' || $^O eq 'amigaos') ; - -#my $l = @h ; -my $l = $X->length ; -ok(19, ($FA ? @h == 0 : !$l) ); - -my @data = qw( a b c d ever f g h i j k longername m n o p) ; - -$h[0] = shift @data ; -ok(20, $h[0] eq 'a' ); - -my $ i; -foreach (@data) - { $h[++$i] = $_ } - -unshift (@data, 'a') ; - -ok(21, defined $h[1] ); -ok(22, ! defined $h[16] ); -ok(23, $FA ? @h == @data : $X->length == @data ); - - -# Overwrite an entry & check fetch it -$h[3] = 'replaced' ; -$data[3] = 'replaced' ; -ok(24, $h[3] eq 'replaced' ); - -#PUSH -my @push_data = qw(added to the end) ; -($FA ? push(@h, @push_data) : $X->push(@push_data)) ; -push (@data, @push_data) ; -ok(25, $h[++$i] eq 'added' ); -ok(26, $h[++$i] eq 'to' ); -ok(27, $h[++$i] eq 'the' ); -ok(28, $h[++$i] eq 'end' ); - -# POP -my $popped = pop (@data) ; -my $value = ($FA ? pop @h : $X->pop) ; -ok(29, $value eq $popped) ; - -# SHIFT -$value = ($FA ? shift @h : $X->shift) ; -my $shifted = shift @data ; -ok(30, $value eq $shifted ); - -# UNSHIFT - -# empty list -($FA ? unshift @h : $X->unshift) ; -ok(31, ($FA ? @h == @data : $X->length == @data )); - -my @new_data = qw(add this to the start of the array) ; -$FA ? unshift (@h, @new_data) : $X->unshift (@new_data) ; -unshift (@data, @new_data) ; -ok(32, $FA ? @h == @data : $X->length == @data ); -ok(33, $h[0] eq "add") ; -ok(34, $h[1] eq "this") ; -ok(35, $h[2] eq "to") ; -ok(36, $h[3] eq "the") ; -ok(37, $h[4] eq "start") ; -ok(38, $h[5] eq "of") ; -ok(39, $h[6] eq "the") ; -ok(40, $h[7] eq "array") ; -ok(41, $h[8] eq $data[8]) ; - -# SPLICE - -# Now both arrays should be identical - -my $ok = 1 ; -my $j = 0 ; -foreach (@data) -{ - $ok = 0, last if $_ ne $h[$j ++] ; -} -ok(42, $ok ); - -# Neagtive subscripts - -# get the last element of the array -ok(43, $h[-1] eq $data[-1] ); -ok(44, $h[-1] eq $h[ ($FA ? @h : $X->length) -1] ); - -# get the first element using a negative subscript -eval '$h[ - ( $FA ? @h : $X->length)] = "abcd"' ; -ok(45, $@ eq "" ); -ok(46, $h[0] eq "abcd" ); - -# now try to read before the start of the array -eval '$h[ - (1 + ($FA ? @h : $X->length))] = 1234' ; -ok(47, $@ =~ '^Modification of non-creatable array value attempted' ); - -# IMPORTANT - $X must be undefined before the untie otherwise the -# underlying DB close routine will not get called. -undef $X ; -untie(@h); - -unlink $Dfile; - - -{ - # Check bval defaults to \n - - my @h = () ; - my $dbh = new DB_File::RECNOINFO ; - ok(48, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; - $h[0] = "abc" ; - $h[1] = "def" ; - $h[3] = "ghi" ; - untie @h ; - my $x = docat($Dfile) ; - unlink $Dfile; - ok(49, $x eq "abc\ndef\n\nghi\n") ; -} - -{ - # Change bval - - my @h = () ; - my $dbh = new DB_File::RECNOINFO ; - $dbh->{bval} = "-" ; - ok(50, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; - $h[0] = "abc" ; - $h[1] = "def" ; - $h[3] = "ghi" ; - untie @h ; - my $x = docat($Dfile) ; - unlink $Dfile; - my $ok = ($x eq "abc-def--ghi-") ; - bad_one() unless $ok ; - ok(51, $ok) ; -} - -{ - # Check R_FIXEDLEN with default bval (space) - - my @h = () ; - my $dbh = new DB_File::RECNOINFO ; - $dbh->{flags} = R_FIXEDLEN ; - $dbh->{reclen} = 5 ; - ok(52, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; - $h[0] = "abc" ; - $h[1] = "def" ; - $h[3] = "ghi" ; - untie @h ; - my $x = docat($Dfile) ; - unlink $Dfile; - my $ok = ($x eq "abc def ghi ") ; - bad_one() unless $ok ; - ok(53, $ok) ; -} - -{ - # Check R_FIXEDLEN with user-defined bval - - my @h = () ; - my $dbh = new DB_File::RECNOINFO ; - $dbh->{flags} = R_FIXEDLEN ; - $dbh->{bval} = "-" ; - $dbh->{reclen} = 5 ; - ok(54, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; - $h[0] = "abc" ; - $h[1] = "def" ; - $h[3] = "ghi" ; - untie @h ; - my $x = docat($Dfile) ; - unlink $Dfile; - my $ok = ($x eq "abc--def-------ghi--") ; - bad_one() unless $ok ; - ok(55, $ok) ; -} - -{ - # check that attempting to tie an associative array to a DB_RECNO will fail - - my $filename = "xyz" ; - my %x ; - eval { tie %x, 'DB_File', $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO ; } ; - ok(56, $@ =~ /^DB_File can only tie an array to a DB_RECNO database/) ; - unlink $filename ; -} - -{ - # sub-class test - - package Another ; - - use warnings ; - use strict ; - - open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ; - print FILE <<'EOM' ; - - package SubDB ; - - use warnings ; - use strict ; - use vars qw( @ISA @EXPORT) ; - - require Exporter ; - use DB_File; - @ISA=qw(DB_File); - @EXPORT = @DB_File::EXPORT ; - - sub STORE { - my $self = shift ; - my $key = shift ; - my $value = shift ; - $self->SUPER::STORE($key, $value * 2) ; - } - - sub FETCH { - my $self = shift ; - my $key = shift ; - $self->SUPER::FETCH($key) - 1 ; - } - - sub put { - my $self = shift ; - my $key = shift ; - my $value = shift ; - $self->SUPER::put($key, $value * 3) ; - } - - sub get { - my $self = shift ; - $self->SUPER::get($_[0], $_[1]) ; - $_[1] -= 2 ; - } - - sub A_new_method - { - my $self = shift ; - my $key = shift ; - my $value = $self->FETCH($key) ; - return "[[$value]]" ; - } - - 1 ; -EOM - - close FILE ; - - BEGIN { push @INC, '.'; } - eval 'use SubDB ; '; - main::ok(57, $@ eq "") ; - my @h ; - my $X ; - eval ' - $X = tie(@h, "SubDB","recno.tmp", O_RDWR|O_CREAT, 0640, $DB_RECNO ); - ' ; - - main::ok(58, $@ eq "") ; - - my $ret = eval '$h[3] = 3 ; return $h[3] ' ; - main::ok(59, $@ eq "") ; - main::ok(60, $ret == 5) ; - - my $value = 0; - $ret = eval '$X->put(1, 4) ; $X->get(1, $value) ; return $value' ; - main::ok(61, $@ eq "") ; - main::ok(62, $ret == 10) ; - - $ret = eval ' R_NEXT eq main::R_NEXT ' ; - main::ok(63, $@ eq "" ) ; - main::ok(64, $ret == 1) ; - - $ret = eval '$X->A_new_method(1) ' ; - main::ok(65, $@ eq "") ; - main::ok(66, $ret eq "[[11]]") ; - - undef $X; - untie(@h); - unlink "SubDB.pm", "recno.tmp" ; - -} - -{ - - # test $# - my $self ; - unlink $Dfile; - ok(67, $self = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ; - $h[0] = "abc" ; - $h[1] = "def" ; - $h[2] = "ghi" ; - $h[3] = "jkl" ; - ok(68, $FA ? $#h == 3 : $self->length() == 4) ; - undef $self ; - untie @h ; - my $x = docat($Dfile) ; - ok(69, $x eq "abc\ndef\nghi\njkl\n") ; - - # $# sets array to same length - ok(70, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; - if ($FA) - { $#h = 3 } - else - { $self->STORESIZE(4) } - ok(71, $FA ? $#h == 3 : $self->length() == 4) ; - undef $self ; - untie @h ; - $x = docat($Dfile) ; - ok(72, $x eq "abc\ndef\nghi\njkl\n") ; - - # $# sets array to bigger - ok(73, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; - if ($FA) - { $#h = 6 } - else - { $self->STORESIZE(7) } - ok(74, $FA ? $#h == 6 : $self->length() == 7) ; - undef $self ; - untie @h ; - $x = docat($Dfile) ; - ok(75, $x eq "abc\ndef\nghi\njkl\n\n\n\n") ; - - # $# sets array smaller - ok(76, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; - if ($FA) - { $#h = 2 } - else - { $self->STORESIZE(3) } - ok(77, $FA ? $#h == 2 : $self->length() == 3) ; - undef $self ; - untie @h ; - $x = docat($Dfile) ; - ok(78, $x eq "abc\ndef\nghi\n") ; - - unlink $Dfile; - - -} - -{ - # DBM Filter tests - use warnings ; - use strict ; - my (@h, $db) ; - my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - unlink $Dfile; - - sub checkOutput - { - my($fk, $sk, $fv, $sv) = @_ ; - return - $fetch_key eq $fk && $store_key eq $sk && - $fetch_value eq $fv && $store_value eq $sv && - $_ eq 'original' ; - } - - ok(79, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); - - $db->filter_fetch_key (sub { $fetch_key = $_ }) ; - $db->filter_store_key (sub { $store_key = $_ }) ; - $db->filter_fetch_value (sub { $fetch_value = $_}) ; - $db->filter_store_value (sub { $store_value = $_ }) ; - - $_ = "original" ; - - $h[0] = "joe" ; - # fk sk fv sv - ok(80, checkOutput( "", 0, "", "joe")) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - ok(81, $h[0] eq "joe"); - # fk sk fv sv - ok(82, checkOutput( "", 0, "joe", "")) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - ok(83, $db->FIRSTKEY() == 0) ; - # fk sk fv sv - ok(84, checkOutput( 0, "", "", "")) ; - - # replace the filters, but remember the previous set - my ($old_fk) = $db->filter_fetch_key - (sub { ++ $_ ; $fetch_key = $_ }) ; - my ($old_sk) = $db->filter_store_key - (sub { $_ *= 2 ; $store_key = $_ }) ; - my ($old_fv) = $db->filter_fetch_value - (sub { $_ = "[$_]"; $fetch_value = $_ }) ; - my ($old_sv) = $db->filter_store_value - (sub { s/o/x/g; $store_value = $_ }) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - $h[1] = "Joe" ; - # fk sk fv sv - ok(85, checkOutput( "", 2, "", "Jxe")) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - ok(86, $h[1] eq "[Jxe]"); - # fk sk fv sv - ok(87, checkOutput( "", 2, "[Jxe]", "")) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - ok(88, $db->FIRSTKEY() == 1) ; - # fk sk fv sv - ok(89, checkOutput( 1, "", "", "")) ; - - # put the original filters back - $db->filter_fetch_key ($old_fk); - $db->filter_store_key ($old_sk); - $db->filter_fetch_value ($old_fv); - $db->filter_store_value ($old_sv); - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - $h[0] = "joe" ; - ok(90, checkOutput( "", 0, "", "joe")) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - ok(91, $h[0] eq "joe"); - ok(92, checkOutput( "", 0, "joe", "")) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - ok(93, $db->FIRSTKEY() == 0) ; - ok(94, checkOutput( 0, "", "", "")) ; - - # delete the filters - $db->filter_fetch_key (undef); - $db->filter_store_key (undef); - $db->filter_fetch_value (undef); - $db->filter_store_value (undef); - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - $h[0] = "joe" ; - ok(95, checkOutput( "", "", "", "")) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - ok(96, $h[0] eq "joe"); - ok(97, checkOutput( "", "", "", "")) ; - - ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; - ok(98, $db->FIRSTKEY() == 0) ; - ok(99, checkOutput( "", "", "", "")) ; - - undef $db ; - untie @h; - unlink $Dfile; -} - -{ - # DBM Filter with a closure - - use warnings ; - use strict ; - my (@h, $db) ; - - unlink $Dfile; - ok(100, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); - - my %result = () ; - - sub Closure - { - my ($name) = @_ ; - my $count = 0 ; - my @kept = () ; - - return sub { ++$count ; - push @kept, $_ ; - $result{$name} = "$name - $count: [@kept]" ; - } - } - - $db->filter_store_key(Closure("store key")) ; - $db->filter_store_value(Closure("store value")) ; - $db->filter_fetch_key(Closure("fetch key")) ; - $db->filter_fetch_value(Closure("fetch value")) ; - - $_ = "original" ; - - $h[0] = "joe" ; - ok(101, $result{"store key"} eq "store key - 1: [0]"); - ok(102, $result{"store value"} eq "store value - 1: [joe]"); - ok(103, ! defined $result{"fetch key"} ); - ok(104, ! defined $result{"fetch value"} ); - ok(105, $_ eq "original") ; - - ok(106, $db->FIRSTKEY() == 0 ) ; - ok(107, $result{"store key"} eq "store key - 1: [0]"); - ok(108, $result{"store value"} eq "store value - 1: [joe]"); - ok(109, $result{"fetch key"} eq "fetch key - 1: [0]"); - ok(110, ! defined $result{"fetch value"} ); - ok(111, $_ eq "original") ; - - $h[7] = "john" ; - ok(112, $result{"store key"} eq "store key - 2: [0 7]"); - ok(113, $result{"store value"} eq "store value - 2: [joe john]"); - ok(114, $result{"fetch key"} eq "fetch key - 1: [0]"); - ok(115, ! defined $result{"fetch value"} ); - ok(116, $_ eq "original") ; - - ok(117, $h[0] eq "joe"); - ok(118, $result{"store key"} eq "store key - 3: [0 7 0]"); - ok(119, $result{"store value"} eq "store value - 2: [joe john]"); - ok(120, $result{"fetch key"} eq "fetch key - 1: [0]"); - ok(121, $result{"fetch value"} eq "fetch value - 1: [joe]"); - ok(122, $_ eq "original") ; - - undef $db ; - untie @h; - unlink $Dfile; -} - -{ - # DBM Filter recursion detection - use warnings ; - use strict ; - my (@h, $db) ; - unlink $Dfile; - - ok(123, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); - - $db->filter_store_key (sub { $_ = $h[0] }) ; - - eval '$h[1] = 1234' ; - ok(124, $@ =~ /^recursion detected in filter_store_key at/ ); - - undef $db ; - untie @h; - unlink $Dfile; -} - - -{ - # Examples from the POD - - my $file = "xyzt" ; - { - my $redirect = new Redirect $file ; - - use warnings FATAL => qw(all); - use strict ; - use DB_File ; - - my $filename = "text" ; - unlink $filename ; - - my @h ; - my $x = tie @h, "DB_File", $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO - or die "Cannot open file 'text': $!\n" ; - - # Add a few key/value pairs to the file - $h[0] = "orange" ; - $h[1] = "blue" ; - $h[2] = "yellow" ; - - $FA ? push @h, "green", "black" - : $x->push("green", "black") ; - - my $elements = $FA ? scalar @h : $x->length ; - print "The array contains $elements entries\n" ; - - my $last = $FA ? pop @h : $x->pop ; - print "popped $last\n" ; - - $FA ? unshift @h, "white" - : $x->unshift("white") ; - my $first = $FA ? shift @h : $x->shift ; - print "shifted $first\n" ; - - # Check for existence of a key - print "Element 1 Exists with value $h[1]\n" if $h[1] ; - - # use a negative index - print "The last element is $h[-1]\n" ; - print "The 2nd last element is $h[-2]\n" ; - - undef $x ; - untie @h ; - - unlink $filename ; - } - - ok(125, docat_del($file) eq <<'EOM') ; -The array contains 5 entries -popped black -shifted white -Element 1 Exists with value blue -The last element is green -The 2nd last element is yellow -EOM - - my $save_output = "xyzt" ; - { - my $redirect = new Redirect $save_output ; - - use warnings FATAL => qw(all); - use strict ; - use vars qw(@h $H $file $i) ; - use DB_File ; - use Fcntl ; - - $file = "text" ; - - unlink $file ; - - $H = tie @h, "DB_File", $file, O_RDWR|O_CREAT, 0640, $DB_RECNO - or die "Cannot open file $file: $!\n" ; - - # first create a text file to play with - $h[0] = "zero" ; - $h[1] = "one" ; - $h[2] = "two" ; - $h[3] = "three" ; - $h[4] = "four" ; - - - # Print the records in order. - # - # The length method is needed here because evaluating a tied - # array in a scalar context does not return the number of - # elements in the array. - - print "\nORIGINAL\n" ; - foreach $i (0 .. $H->length - 1) { - print "$i: $h[$i]\n" ; - } - - # use the push & pop methods - $a = $H->pop ; - $H->push("last") ; - print "\nThe last record was [$a]\n" ; - - # and the shift & unshift methods - $a = $H->shift ; - $H->unshift("first") ; - print "The first record was [$a]\n" ; - - # Use the API to add a new record after record 2. - $i = 2 ; - $H->put($i, "Newbie", R_IAFTER) ; - - # and a new record before record 1. - $i = 1 ; - $H->put($i, "New One", R_IBEFORE) ; - - # delete record 3 - $H->del(3) ; - - # now print the records in reverse order - print "\nREVERSE\n" ; - for ($i = $H->length - 1 ; $i >= 0 ; -- $i) - { print "$i: $h[$i]\n" } - - # same again, but use the API functions instead - print "\nREVERSE again\n" ; - my ($s, $k, $v) = (0, 0, 0) ; - for ($s = $H->seq($k, $v, R_LAST) ; - $s == 0 ; - $s = $H->seq($k, $v, R_PREV)) - { print "$k: $v\n" } - - undef $H ; - untie @h ; - - unlink $file ; - } - - ok(126, docat_del($save_output) eq <<'EOM') ; - -ORIGINAL -0: zero -1: one -2: two -3: three -4: four - -The last record was [four] -The first record was [zero] - -REVERSE -5: last -4: three -3: Newbie -2: one -1: New One -0: first - -REVERSE again -5: last -4: three -3: Newbie -2: one -1: New One -0: first -EOM - -} - -{ - # Bug ID 20001013.009 - # - # test that $hash{KEY} = undef doesn't produce the warning - # Use of uninitialized value in null operation - use warnings ; - use strict ; - use DB_File ; - - unlink $Dfile; - my @h ; - my $a = ""; - local $SIG{__WARN__} = sub {$a = $_[0]} ; - - tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO - or die "Can't open file: $!\n" ; - $h[0] = undef; - ok(127, $a eq "") ; - untie @h ; - unlink $Dfile; -} - -{ - # test that %hash = () doesn't produce the warning - # Argument "" isn't numeric in entersub - use warnings ; - use strict ; - use DB_File ; - my $a = ""; - local $SIG{__WARN__} = sub {$a = $_[0]} ; - - unlink $Dfile; - my @h ; - - tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO - or die "Can't open file: $!\n" ; - @h = (); ; - ok(128, $a eq "") ; - untie @h ; - unlink $Dfile; -} - -exit ; |