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package Stacker;
use strict;
use warnings;
use TestHelpers qw(eq_or_diff);
use parent 'Collector';
sub _stack
{
my $self = shift;
if (@_)
{
$self->{_stack} = shift;
}
return $self->{_stack};
}
sub _push
{
my $self = shift;
my $item = shift;
push @{$self->_stack()}, $item;
return;
}
sub _reset
{
my $self = shift;
$self->_stack([]);
return;
}
sub _calc_op_callback {
my $self = shift;
return sub {
my $item = shift;
return $self->_push($item);
};
}
sub test
{
my ($self, $value, $blurb) = @_;
local $Test::Builder::Level = $Test::Builder::Level + 1;
eq_or_diff ($self->_stack(), $value, $blurb);
$self->_reset;
return;
}
1;
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