Current File : /home/opti/optisoftcom/.cpanm/work/1544535425.21555/Variable-Magic-0.62/t/41-clone.t
#!perl
use strict;
use warnings;
use Variable::Magic qw<
wizard cast dispell getdata
VMG_OP_INFO_NAME VMG_OP_INFO_OBJECT
>;
use lib 't/lib';
use VPIT::TestHelpers (
threads => [ 'Variable::Magic' => 'Variable::Magic::VMG_THREADSAFE()' ],
);
use Test::Leaner 'no_plan';
my $destroyed : shared = 0;
my $c : shared = 0;
sub spawn_wiz {
my ($op_info) = @_;
my $desc = "wizard with op_info $op_info in main thread";
local $@;
my $wiz = eval {
wizard(
data => sub { $_[1] + threads->tid() },
get => sub { lock $c; ++$c; 0 },
set => sub {
my $op = $_[-1];
my $tid = threads->tid();
if ($op_info == VMG_OP_INFO_OBJECT) {
is_deeply { class => ref($op), name => $op->name },
{ class => 'B::BINOP', name => 'sassign' },
"op object in thread $tid is correct";
} else {
is $op, 'sassign', "op name in thread $tid is correct";
}
return 0
},
free => sub { lock $destroyed; ++$destroyed; 0 },
op_info => $op_info,
);
};
is $@, '', "$desc doesn't croak";
isnt $wiz, undef, "$desc is defined";
is $c, 0, "$desc doesn't trigger magic";
return $wiz;
}
sub try {
my ($dispell, $wiz) = @_;
my $tid = threads->tid;
my $a = 3;
{
local $@;
my $res = eval { cast $a, $wiz, sub { 5 }->() };
is $@, '', "cast in thread $tid doesn't croak";
}
{
local $@;
my $b;
eval { $b = $a };
is $@, '', "get in thread $tid doesn't croak";
is $b, 3, "get in thread $tid returns the right thing";
}
{
local $@;
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";
}
{
local $@;
eval { $a = 9 };
is $@, '', "set in thread $tid (check opname) doesn't croak";
}
if ($dispell) {
{
local $@;
my $res = eval { dispell $a, $wiz };
is $@, '', "dispell in thread $tid doesn't croak";
}
{
local $@;
my $b;
eval { $b = $a };
is $@, '', "get in thread $tid after dispell doesn't croak";
is $b, 9, "get in thread $tid after dispell returns the right thing";
}
}
return 1;
}
my $wiz_name = spawn_wiz VMG_OP_INFO_NAME;
my $wiz_obj = spawn_wiz VMG_OP_INFO_OBJECT;
for my $dispell (1, 0) {
for my $wiz ($wiz_name, $wiz_obj) {
{
lock $c;
$c = 0;
}
{
lock $destroyed;
$destroyed = 0;
}
my $completed = 0;
my @threads = map spawn(\&try, $dispell, $wiz), 1 .. 2;
for my $thr (@threads) {
my $res = $thr->join;
$completed += $res if defined $res;
}
{
lock $c;
is $c, $completed, "get triggered twice";
}
{
lock $destroyed;
is $destroyed, (1 - $dispell) * $completed, 'destructors';
}
}
}
{
my @threads;
my $flag : shared = 0;
my $destroyed;
{
my $wiz = wizard(
set => sub {
my $tid = threads->tid;
pass "set callback called in thread $tid"
},
free => sub { ++$destroyed },
);
my $var = 123;
cast $var, $wiz;
@threads = map spawn(
sub {
my $tid = threads->tid;
my $exp = 456 + $tid;
{
lock $flag;
threads::shared::cond_wait($flag) until $flag;
}
$var = $exp;
is $var, $exp, "\$var could be assigned to in thread $tid";
}
), 1 .. 5;
}
is $destroyed, 1, 'wizard is destroyed';
{
lock $flag;
$flag = 1;
threads::shared::cond_broadcast($flag);
}
$_->join for @threads;
}
Mini Shell