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#!/usr/bin/env perl
# Test lower cased hash
use strict;
use warnings;
use Test::More;
BEGIN {plan tests => 31}
use Hash::Case::Lower;
my %h;
tie %h, 'Hash::Case::Lower';
cmp_ok(keys %h, '==', 0);
$h{abc} = 3;
cmp_ok($h{abc}, '==', 3);
cmp_ok($h{ABC}, '==', 3);
cmp_ok($h{AbC}, '==', 3);
cmp_ok(keys %h, '==', 1);
my @h = keys %h;
cmp_ok(@h, '==', 1);
is($h[0], 'abc');
$h{dEf} = 4;
cmp_ok($h{def}, '==', 4);
cmp_ok($h{dEf}, '==', 4);
cmp_ok(keys %h, '==', 2);
my (@k, @v);
while(my ($k, $v) = each %h)
{ push @k, $k;
push @v, $v;
}
cmp_ok(@k, '==', 2);
@k = sort @k;
is($k[0], 'abc');
is($k[1], 'def');
ok(@v==2);
@v = sort {$a <=> $b} @v;
cmp_ok($v[0], '==', 3);
cmp_ok($v[1], '==', 4);
ok(exists $h{ABC});
cmp_ok(delete $h{ABC}, '==', 3);
cmp_ok(keys %h, '==', 1);
%h = ();
cmp_ok(keys %h, '==', 0);
ok(tied %h);
my %a;
tie %a, 'Hash::Case::Lower', [ AbC => 3, dEf => 4 ];
ok(tied %a);
cmp_ok(keys %a, '==', 2);
ok(defined $a{abc});
cmp_ok($a{ABC}, '==', 3);
cmp_ok($a{DeF}, '==', 4);
my %b;
tie %b, 'Hash::Case::Lower', { AbC => 3, dEf => 4 };
ok(tied %b);
cmp_ok(keys %b, '==', 2);
ok(defined $b{abc});
cmp_ok($b{ABC}, '==', 3);
cmp_ok($b{DeF}, '==', 4);
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