libvariable-magic-perl/t/40-threads.t

128 lines
2.8 KiB
Perl

#!perl
use strict;
use warnings;
use lib 't/lib';
use VPIT::TestHelpers (
threads => [ 'Variable::Magic' => 'Variable::Magic::VMG_THREADSAFE()' ],
);
use Test::Leaner 'no_plan';
my $destroyed : shared = 0;
sub try {
my ($dispell, $op_info) = @_;
my $tid = threads->tid;
my $c = 0;
my $wiz;
{
local $@;
eval { require Variable::Magic; 1 } or return;
}
{
local $@;
$wiz = eval {
Variable::Magic::wizard(
data => sub { $_[1] + $tid },
get => sub { ++$c; 0 },
set => sub {
my $op = $_[-1];
if ($op_info eq '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 eq 'object' ? Variable::Magic::VMG_OP_INFO_OBJECT()
: Variable::Magic::VMG_OP_INFO_NAME()
);
};
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;
{
local $@;
my $res = eval { &Variable::Magic::cast(\$a, $wiz, sub { 5 }->()) };
is $@, '', "cast in thread $tid doesn't croak";
is $c, 0, "cast in thread $tid doesn't trigger magic";
}
{
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";
is $c, 1, "get in thread $tid triggers magic";
}
{
local $@;
my $d = eval { &Variable::Magic::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";
}
{
local $@;
eval { $a = 9 };
is $@, '', "set in thread $tid (check opname) doesn't croak";
}
if ($dispell) {
{
local $@;
my $res = eval { &Variable::Magic::dispell(\$a, $wiz) };
is $@, '', "dispell in thread $tid doesn't croak";
is $c, 1, "dispell in thread $tid doesn't trigger magic";
}
{
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";
is $c, 1, "get in thread $tid after dispell doesn't trigger magic";
}
}
return 1;
}
for my $dispell (1, 0) {
{
lock $destroyed;
$destroyed = 0;
}
my $completed = 0;
my @threads = map spawn(\&try, $dispell, $_), ('name') x 2, ('object') x 2;
for my $thr (@threads) {
my $res = $thr->join;
$completed += $res if defined $res;
}
{
lock $destroyed;
is $destroyed, (1 - $dispell) * $completed, 'destructors';
}
}