use strict;
use warnings;
-use Test::More tests => 33;
+use Test::More tests => 39 + (2 * 2 + 1);
-use Variable::Magic qw/wizard cast VMG_COMPAT_SCALAR_LENGTH_NOLEN/;
+use Variable::Magic qw<wizard cast dispell VMG_COMPAT_SCALAR_LENGTH_NOLEN>;
+
+use lib 't/lib';
+use Variable::Magic::TestValue;
my $c = 0;
my $wiz = wizard len => sub { $d = $_[2]; ++$c; return $n };
is $c, 0, 'len: wizard() doesn\'t trigger magic';
-my @a = qw/a b c/;
+my @a = qw<a b c>;
$c = 0;
cast @a, $wiz;
is $d, 5, 'len: get utf8 scalar length have correct default length';
is $b, $d, 'len: get utf8 scalar length correctly';
}
+
+{
+ our $c;
+ # length magic on scalars needs also get magic to be triggered.
+ my $wiz = wizard get => sub { 0 },
+ len => sub { $d = $_[2]; ++$c; return $_[2] };
+
+ {
+ my $x = "banana";
+ cast $x, $wiz;
+
+ local $c = 0;
+ pos($x) = 2;
+ is $c, 1, 'len: pos scalar triggers magic correctly';
+ is $d, 6, 'len: pos scalar have correct default length';
+ is $x, 'banana', 'len: pos scalar works correctly'
+ }
+
+ {
+ my $x = "hl\x{20AB}gh"; # Force utf8 on string
+ cast $x, $wiz;
+
+ local $c = 0;
+ substr($x, 2, 1) = 'a';
+ is $c, 1, 'len: substr utf8 scalar triggers magic correctly';
+ is $d, 5, 'len: substr utf8 scalar have correct default length';
+ is $x, 'hlagh', 'len: substr utf8 scalar correctly';
+ }
+}
+
+{
+ my @val = (4 .. 6);
+
+ my $wv = init_value @val, 'len', 'len';
+
+ value { $val[-1] = 8 } [ 4, 5, 6 ];
+
+ dispell @val, $wv;
+ is_deeply \@val, [ 4, 5, 8 ], 'len: after value';
+}