1b39c5158Smillertuse strict; 2b39c5158Smillertuse warnings; 3b39c5158Smillert 4b39c5158SmillertBEGIN { 5b39c5158Smillert use Config; 6b39c5158Smillert if (! $Config{'useithreads'}) { 7b39c5158Smillert print("1..0 # SKIP Perl not compiled with 'useithreads'\n"); 8b39c5158Smillert exit(0); 9b39c5158Smillert } 10b39c5158Smillert} 11b39c5158Smillert 12b39c5158Smillertuse threads; 13b39c5158Smillertuse Thread::Queue; 14b39c5158Smillert 15*f3efcd01Safresh1BEGIN { # perl RT 133382 16b39c5158Smillertif ($] == 5.008) { 17b39c5158Smillert require 't/test.pl'; # Test::More work-alike for Perl 5.8.0 18b39c5158Smillert} else { 19b39c5158Smillert require Test::More; 20b39c5158Smillert} 21b39c5158SmillertTest::More->import(); 22*f3efcd01Safresh1} # end BEGIN 23b39c5158Smillertplan('tests' => 20); 24b39c5158Smillert 25b39c5158Smillertmy $q = Thread::Queue->new(1..10); 26b39c5158Smillertok($q, 'New queue'); 27b39c5158Smillert 28b39c5158Smillertthreads->create(sub { 29b39c5158Smillert # Default count = 1 30b39c5158Smillert is($q->extract(), 1, 'No args'); # 2..10 left 31b39c5158Smillert is($q->extract(0), 2, 'Head'); # 3..10 left 32b39c5158Smillert is($q->extract(5), 8, 'Pos index'); # 3..7,9,10 left 33b39c5158Smillert is($q->extract(-3), 7, 'Neg index'); # 3..6,9,10 left 34b39c5158Smillert my $x = $q->extract(20); # unchanged 35b39c5158Smillert ok(! defined($x), 'Big index'); 36b39c5158Smillert $x = $q->extract(-20); # unchanged 37b39c5158Smillert ok(! defined($x), 'Big neg index'); 38b39c5158Smillert})->join(); 39b39c5158Smillert 40b39c5158Smillert$q = Thread::Queue->new(1..10); 41b39c5158Smillertok($q, 'New queue'); 42b39c5158Smillert 43b39c5158Smillertthreads->create(sub { 44b39c5158Smillert my @x = $q->extract(0, 2); # 3..10 left 45b39c5158Smillert is_deeply(\@x, [1,2], '2 from head'); 46b39c5158Smillert @x = $q->extract(6, 2); # 3..8 left 47b39c5158Smillert is_deeply(\@x, [9,10], '2 from tail'); 48b39c5158Smillert @x = $q->extract(2, 2); # 3,4,7,8 left 49b39c5158Smillert is_deeply(\@x, [5,6], '2 from middle'); 50b39c5158Smillert @x = $q->extract(2, 4); # 3,4 left 51b39c5158Smillert is_deeply(\@x, [7,8], 'Lots from tail'); 52b39c5158Smillert @x = $q->extract(3, 4); # unchanged 53b39c5158Smillert is_deeply(\@x, [], 'Too far'); 54b39c5158Smillert})->join(); 55b39c5158Smillert 56b39c5158Smillert$q = Thread::Queue->new(1..10); 57b39c5158Smillertok($q, 'New queue'); 58b39c5158Smillert 59b39c5158Smillertthreads->create(sub { 60b39c5158Smillert my @x = $q->extract(-4, 2); # 1..6,9,10 left 61b39c5158Smillert is_deeply(\@x, [7,8], 'Neg index'); 62b39c5158Smillert @x = $q->extract(-2, 4); # 1..6 left 63b39c5158Smillert is_deeply(\@x, [9,10], 'Lots from tail'); 64b39c5158Smillert @x = $q->extract(-6, 2); # 3..6 left 65b39c5158Smillert is_deeply(\@x, [1,2], 'Max neg index'); 66b39c5158Smillert @x = $q->extract(-10, 3); # unchanged 67b39c5158Smillert is_deeply(\@x, [], 'Too far'); 68b39c5158Smillert @x = $q->extract(-6, 3); # 4..6 left 69b39c5158Smillert is_deeply(\@x, [3], 'Neg overlap'); 70b39c5158Smillert @x = $q->extract(-5, 10); # empty 71b39c5158Smillert is_deeply(\@x, [4..6], 'Neg big overlap'); 72b39c5158Smillert})->join(); 73b39c5158Smillert 74b39c5158Smillertexit(0); 75b39c5158Smillert 76b39c5158Smillert# EOF 77