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|
#!./perl
# This test harness will (eventually) test the "tie" functionality
# without the need for a *DBM* implementation.
# Currently it only tests the untie warning
chdir 't' if -d 't';
@INC = '../lib';
$ENV{PERL5LIB} = "../lib";
$|=1;
# catch warnings into fatal errors
$SIG{__WARN__} = sub { die "WARNING: @_" } ;
$SIG{__DIE__} = sub { die @_ };
undef $/;
@prgs = split "\n########\n", <DATA>;
print "1..", scalar @prgs, "\n";
for (@prgs){
my($prog,$expected) = split(/\nEXPECT\n/, $_);
eval "$prog" ;
$status = $?;
$results = $@ ;
$results =~ s/\n+$//;
$expected =~ s/\n+$//;
if ( $status or $results and $results !~ /^(WARNING: )?$expected/){
print STDERR "STATUS: $status\n";
print STDERR "PROG: $prog\n";
print STDERR "EXPECTED:\n$expected\n";
print STDERR "GOT:\n$results\n";
print "not ";
}
print "ok ", ++$i, "\n";
}
__END__
# standard behaviour, without any extra references
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
EXPECT
########
# standard behaviour, without any extra references
use Tie::Hash ;
{package Tie::HashUntie;
use base 'Tie::StdHash';
sub UNTIE
{
warn "Untied\n";
}
}
tie %h, Tie::HashUntie;
untie %h;
EXPECT
Untied
########
# standard behaviour, with 1 extra reference
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
untie %h;
EXPECT
########
# standard behaviour, with 1 extra reference via tied
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
untie %h;
EXPECT
########
# standard behaviour, with 1 extra reference which is destroyed
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
$a = 0 ;
untie %h;
EXPECT
########
# standard behaviour, with 1 extra reference via tied which is destroyed
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
$a = 0 ;
untie %h;
EXPECT
########
# strict behaviour, without any extra references
use warnings 'untie';
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
EXPECT
########
# strict behaviour, with 1 extra references generating an error
use warnings 'untie';
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
untie %h;
EXPECT
untie attempted while 1 inner references still exist
########
# strict behaviour, with 1 extra references via tied generating an error
use warnings 'untie';
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
untie %h;
EXPECT
untie attempted while 1 inner references still exist
########
# strict behaviour, with 1 extra references which are destroyed
use warnings 'untie';
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
$a = 0 ;
untie %h;
EXPECT
########
# strict behaviour, with extra 1 references via tied which are destroyed
use warnings 'untie';
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
$a = 0 ;
untie %h;
EXPECT
########
# strict error behaviour, with 2 extra references
use warnings 'untie';
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
$b = tied %h ;
untie %h;
EXPECT
untie attempted while 2 inner references still exist
########
# strict behaviour, check scope of strictness.
no warnings 'untie';
use Tie::Hash ;
$A = tie %H, Tie::StdHash;
$C = $B = tied %H ;
{
use warnings 'untie';
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
}
untie %H;
EXPECT
########
# Forbidden aggregate self-ties
my ($a, $b) = (0, 0);
sub Self::TIEHASH { bless $_[1], $_[0] }
sub Self::DESTROY { $b = $_[0] + 1; }
{
my %c = 42;
tie %c, 'Self', \%c;
}
EXPECT
Self-ties of arrays and hashes are not supported
########
# Allowed scalar self-ties
my ($a, $b) = (0, 0);
sub Self::TIESCALAR { bless $_[1], $_[0] }
sub Self::DESTROY { $b = $_[0] + 1; }
{
my $c = 42;
$a = $c + 0;
tie $c, 'Self', \$c;
}
die unless $a == 0 && $b == 43;
EXPECT
########
# Interaction of tie and vec
my ($a, $b);
use Tie::Scalar;
tie $a,Tie::StdScalar or die;
vec($b,1,1)=1;
$a = $b;
vec($a,1,1)=0;
vec($b,1,1)=0;
die unless $a eq $b;
EXPECT
########
# An attempt at lvalueable barewords broke this
tie FH, 'main';
EXPECT
|
