1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
use Test::More;
use strict; use warnings FATAL => 'all';
use Lowu;
my $arr = [ 1, 2, 1, 1, 3, 4, 1 ];
my $deleted = $arr->delete_when(sub { $_ == 1 });
is_deeply [ $deleted->all ], [ (1) x 4 ],
'boxed delete_when returned correct values';
is_deeply [ $arr->all ], [ 2, 3, 4 ],
'boxed delete_when deleted correct values';
$arr->delete_when(sub { $_[0] == 2 });
is_deeply [ $arr->all ], [ 3, 4 ],
'boxed delete_when using @_ ok';
$deleted = $arr->delete_when(sub { $_ == 10 });
is_deeply [ $arr->all ], [ 3, 4 ],
'boxed delete_when deleted nothing ok';
is_deeply [ $deleted->all ], [],
'boxed delete_when deleted nothing ok';
$arr = [];
$deleted = $arr->delete_when(sub { $_ == 2 });
ok $deleted->is_empty, 'boxed delete_when on empty list ok';
ok $arr->is_empty, 'boxed delete_when on empty list left list alone';
done_testing;
|
