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|
use strict;
use warnings;
BEGIN {
use Config;
if (! $Config{'useithreads'}) {
print("1..0 # SKIP Perl not compiled with 'useithreads'\n");
exit(0);
}
}
use threads;
use threads::shared;
use Thread::Queue;
if ($] == 5.008) {
require 't/test.pl'; # Test::More work-alike for Perl 5.8.0
} else {
require Test::More;
}
Test::More->import();
plan('tests' => 46);
# Regular array
my @ary1 = qw/foo bar baz/;
push(@ary1, [ 1..3 ], { 'qux' => 99 });
# Shared array
my @ary2 :shared = (99, 21, 86);
# Regular hash-based object
my $obj1 = {
'foo' => 'bar',
'qux' => 99,
'biff' => [ qw/fee fi fo/ ],
'boff' => { 'bork' => 'true' },
};
bless($obj1, 'Foo');
# Shared hash-based object
my $obj2 = &share({});
$$obj2{'bar'} = 86;
$$obj2{'key'} = 'foo';
bless($obj2, 'Bar');
# Scalar ref
my $sref1 = \do{ my $scalar = 'foo'; };
# Shared scalar ref object
my $sref2 = \do{ my $scalar = 69; };
share($sref2);
bless($sref2, 'Baz');
# Ref of ref
my $foo = [ 5, 'bork', { 'now' => 123 } ];
my $bar = \$foo;
my $baz = \$bar;
my $qux = \$baz;
is_deeply($$$$qux, $foo, 'Ref of ref');
# Circular refs
my $cir1;
$cir1 = \$cir1;
my $cir1s : shared;
$cir1s = \$cir1s;
my $cir2;
$cir2 = [ \$cir2, { 'ref' => \$cir2 } ];
my $cir3 :shared = &share({});
$cir3->{'self'} = \$cir3;
bless($cir3, 'Circular');
# Queue up items
my $q = Thread::Queue->new(\@ary1, \@ary2);
ok($q, 'New queue');
is($q->pending(), 2, 'Queue count');
$q->enqueue($obj1, $obj2);
is($q->pending(), 4, 'Queue count');
$q->enqueue($sref1, $sref2, $foo, $qux);
is($q->pending(), 8, 'Queue count');
$q->enqueue($cir1, $cir1s, $cir2, $cir3);
is($q->pending(), 12, 'Queue count');
# Process items in thread
threads->create(sub {
is($q->pending(), 12, 'Queue count in thread');
my $tary1 = $q->dequeue();
ok($tary1, 'Thread got item');
is(ref($tary1), 'ARRAY', 'Item is array ref');
is_deeply($tary1, \@ary1, 'Complex array');
$$tary1[1] = 123;
my $tary2 = $q->dequeue();
ok($tary2, 'Thread got item');
is(ref($tary2), 'ARRAY', 'Item is array ref');
for (my $ii=0; $ii < @ary2; $ii++) {
is($$tary2[$ii], $ary2[$ii], 'Shared array element check');
}
$$tary2[1] = 444;
my $tobj1 = $q->dequeue();
ok($tobj1, 'Thread got item');
is(ref($tobj1), 'Foo', 'Item is object');
is_deeply($tobj1, $obj1, 'Object comparison');
$$tobj1{'foo'} = '.|.';
$$tobj1{'smiley'} = ':)';
my $tobj2 = $q->dequeue();
ok($tobj2, 'Thread got item');
is(ref($tobj2), 'Bar', 'Item is object');
is($$tobj2{'bar'}, 86, 'Shared object element check');
is($$tobj2{'key'}, 'foo', 'Shared object element check');
$$tobj2{'tick'} = 'tock';
$$tobj2{'frowny'} = ':(';
my $tsref1 = $q->dequeue();
ok($tsref1, 'Thread got item');
is(ref($tsref1), 'SCALAR', 'Item is scalar ref');
is($$tsref1, 'foo', 'Scalar ref contents');
$$tsref1 = 0;
my $tsref2 = $q->dequeue();
ok($tsref2, 'Thread got item');
is(ref($tsref2), 'Baz', 'Item is object');
is($$tsref2, 69, 'Shared scalar ref contents');
$$tsref2 = 'zzz';
my $myfoo = $q->dequeue();
is_deeply($myfoo, $foo, 'Array ref');
my $qux = $q->dequeue();
is_deeply($$$$qux, $foo, 'Ref of ref');
my ($c1, $c1s, $c2, $c3) = $q->dequeue(4);
SKIP: {
skip("Needs threads::shared >= 1.19", 5)
if ($threads::shared::VERSION < 1.19);
is(threads::shared::_id($$c1),
threads::shared::_id($c1),
'Circular ref - scalar');
is(threads::shared::_id($$c1s),
threads::shared::_id($c1s),
'Circular ref - shared scalar');
is(threads::shared::_id(${$c2->[0]}),
threads::shared::_id($c2),
'Circular ref - array');
is(threads::shared::_id(${$c2->[1]->{'ref'}}),
threads::shared::_id($c2),
'Circular ref - mixed');
is(threads::shared::_id(${$c3->{'self'}}),
threads::shared::_id($c3),
'Circular ref - hash');
}
is($q->pending(), 0, 'Empty queue');
my $nothing = $q->dequeue_nb();
ok(! defined($nothing), 'Nothing on queue');
})->join();
# Check results of thread's activities
is($q->pending(), 0, 'Empty queue');
is($ary1[1], 'bar', 'Array unchanged');
is($ary2[1], 444, 'Shared array changed');
is($$obj1{'foo'}, 'bar', 'Object unchanged');
ok(! exists($$obj1{'smiley'}), 'Object unchanged');
is($$obj2{'tick'}, 'tock', 'Shared object changed');
is($$obj2{'frowny'}, ':(', 'Shared object changed');
is($$sref1, 'foo', 'Scalar ref unchanged');
is($$sref2, 'zzz', 'Shared scalar ref changed');
exit(0);
# EOF
|
