EVOLUTION-MANAGER

Edit File: tied.t

#!/usr/bin/perl -w use strict; use Test qw(plan ok); use Data::Dump qw(dump); plan tests => 4; { package MyTie; sub TIE { my $class = shift; bless {}, $class; } use vars qw(*TIEHASH *TIEARRAY *TIESCALAR); *TIEHASH = \&TIE; *TIEARRAY = \&TIE; *TIESCALAR = \&TIE; sub FIRSTKEY { return "a"; } sub NEXTKEY { my($self, $lastkey) = @_; return if $lastkey eq "d"; return ++$lastkey; } sub FETCHSIZE { return 4; } sub FETCH { my($self, $key) = @_; return "v$key" if defined $key; return "v"; } } my(%hash, @array, $scalar); tie %hash, "MyTie"; tie @array, "MyTie"; tie $scalar, "MyTie"; ok(nl(dump(\%hash)), <<EOT); { # tied MyTie a => "va", b => "vb", c => "vc", d => "vd", } EOT ok(nl(dump(\@array)), <<EOT); [ # tied MyTie "v0" .. "v3", ] EOT ok(nl(dump($scalar)), <<EOT); "v" EOT ok(nl(dump($scalar, $scalar, $scalar)), <<EOT); ("v", "v", "v") EOT sub nl { shift(@_) . "\n" }