+#!perl -T
+
+use strict;
+use warnings;
+
+use threads; # Before Test::More
+use threads::shared;
+
+use Test::More;
+
+use Variable::Magic qw/wizard cast dispell getdata VMG_THREADSAFE/;
+
+if (VMG_THREADSAFE) {
+ plan tests => 2 * 16 + 1;
+} else {
+ plan skip_all => 'This Variable::Magic isn\'t thread safe';
+}
+
+my $destroyed : shared = 0;
+
+sub try {
+ my $tid = threads->tid();
+ my $c = 0;
+ my $wiz = eval {
+ wizard get => sub { ++$c },
+ data => sub { $_[1] + $tid },
+ free => sub { ++$destroyed };
+ };
+ is($@, '', "wizard in thread $tid doesn't croak");
+ isnt($wiz, undef, "wizard in thread $tid is defined");
+ is($c, 0, "wizard in thread $tid doesn't trigger magic");
+ my $a = 3;
+ my $res = eval { cast $a, $wiz, sub { 5 }->() };
+ is($@, '', "cast in thread $tid doesn't croak");
+ is($c, 0, "cast in thread $tid doesn't trigger magic");
+ my $b;
+ eval { $b = $a };
+ is($@, '', "get in thread $tid doesn't croak");
+ is($b, 3, "get in thread $tid returns the right thing");
+ is($c, 1, "get in thread $tid triggers magic");
+ my $d = eval { getdata $a, $wiz };
+ is($@, '', "getdata in thread $tid doesn't croak");
+ is($d, 5 + $tid, "getdata in thread $tid returns the right thing");
+ is($c, 1, "getdata in thread $tid doesn't trigger magic");
+ $res = eval { dispell $a, $wiz };
+ is($@, '', "dispell in thread $tid doesn't croak");
+ is($c, 1, "dispell in thread $tid doesn't trigger magic");
+ undef $b;
+ eval { $b = $a };
+ is($@, '', "get in thread $tid after dispell doesn't croak");
+ is($b, 3, "get in thread $tid after dispell returns the right thing");
+ is($c, 1, "get in thread $tid after dispell doesn't trigger magic");
+ return;
+}
+
+my @t = map { threads->create(\&try) } 1 .. 2;
+$t[0]->join;
+$t[1]->join;
+
+is($destroyed, 0, 'destructors didn\'t fired');