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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: @_" } ;
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, 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 warning 'untie';
local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
EXPECT
########
# strict behaviour, with 1 extra references generating an error
#use warning 'untie';
local $^W = 1 ;
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 warning 'untie';
local $^W = 1 ;
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 warning 'untie';
local $^W = 1 ;
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 warning 'untie';
local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
$a = 0 ;
untie %h;
EXPECT
########
# strict error behaviour, with 2 extra references
#use warning 'untie';
local $^W = 1 ;
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 warning 'untie';
local $^W = 0 ;
use Tie::Hash ;
$A = tie %H, Tie::StdHash;
$C = $B = tied %H ;
{
#use warning 'untie';
local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
}
untie %H;
EXPECT
########
# verify no leak when underlying object is selfsame tied variable
my ($a, $b);
sub Self::TIEHASH { bless $_[1], $_[0] }
sub Self::DESTROY { $b = $_[0] + 0; }
{
my %b5;
$a = \%b5 + 0;
tie %b5, 'Self', \%b5;
}
die unless $a == $b;
EXPECT
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