# -*- Mode: CPerl -*-

use Test::More 'no_plan';

use Hash::MultiKey;

tie %hmk, 'Hash::MultiKey';

@idxs = 1..4;

@key1 = ("");
@key2 = ("", "", "");
@key3 = ("", "", "", "");
@key4 = ("", "", "", "", "", "");

$val1 = undef;
$val2 = 1;
$val3 = 'string';
$val4 = ['array', 'ref'];

# initialize %hmk
$hmk{join $;, @{"key$_"}} = ${"val$_"} foreach @idxs;

# fetch values
is_deeply($hmk{join $;, @{"key$_"}}, ${"val$_"}, "fetch key $_") foreach @idxs;

# delete all
foreach $i (@idxs) {
    is_deeply(delete $hmk{join $;, @{"key$i"}}, ${"val$i"}, "delete key $i");
    ok(!exists $hmk{join $;, @{"key$i"}}, "! exists key $i");
}

is(scalar(%hmk), 0, 'scalar empty %hmk');