#!/usr/bin/perl -w
use strict;

sub report {
    my($desc, $count, $sub) = @_;
    print STDERR "[[ timing ]] $desc\n";
    print STDERR timestr(timeit($count, $sub))."\n";
}

sub mark {
    print STDERR "------\n";
}

my %options = @ARGV;
srand(delete $options{srand}) if exists $options{srand};
defined(my $size   = delete $options{size})   || die "No size option";
defined(my $class  = delete $options{class})  || die "No class option";
defined(my $string = delete $options{string}) || die "No string option";
defined(my $dirty  = delete $options{dirty})  || die "No dirty option";
defined(my $inc    = delete $options{INC})    || die "No INC option";
die "Unknown option ", join(",", keys %options) if %options;
@INC = map { s/%(\d+)/chr($1)/eg; $_ } split /:/, $inc;
eval "
    use Benchmark;
    use $class;
    1" || die $@;

my $order = $string ? "lt" : "<";

my @input;
if ($string) {
    for (1..$size) {
        push @input, {foo => "A" . rand(2*$size)}
    }
} else {
    for (1..$size) {
        push @input, {foo => rand(2*$size)}
    }
}

my $heap = $class->new(elements => [Hash => "foo"], 
                       order => $order, dirty => $dirty);
mark;
report("Insert of $size elements into $class(order => '$order', Hash)",
       $size,
       sub { $heap->insert(pop @input) });
undef @input;
report("Extract $size elements from $class(order => '$order', Hash)",
       $size,
       sub { $heap->extract_top });