5 if ($ENV{'PERL_CORE'}){
7 unshift(@INC, '../lib');
10 if (! $Config{'useithreads'}) {
11 print("1..0 # SKIP Perl not compiled with 'useithreads'\n");
20 require 't/test.pl'; # Test::More work-alike for Perl 5.8.0
27 my $q = Thread::Queue->new(1..10);
32 is($q->extract(), 1, 'No args'); # 2..10 left
33 is($q->extract(0), 2, 'Head'); # 3..10 left
34 is($q->extract(5), 8, 'Pos index'); # 3..7,9,10 left
35 is($q->extract(-3), 7, 'Neg index'); # 3..6,9,10 left
36 my $x = $q->extract(20); # unchanged
37 ok(! defined($x), 'Big index');
38 $x = $q->extract(-20); # unchanged
39 ok(! defined($x), 'Big neg index');
42 $q = Thread::Queue->new(1..10);
46 my @x = $q->extract(0, 2); # 3..10 left
47 is_deeply(\@x, [1,2], '2 from head');
48 @x = $q->extract(6, 2); # 3..8 left
49 is_deeply(\@x, [9,10], '2 from tail');
50 @x = $q->extract(2, 2); # 3,4,7,8 left
51 is_deeply(\@x, [5,6], '2 from middle');
52 @x = $q->extract(2, 4); # 3,4 left
53 is_deeply(\@x, [7,8], 'Lots from tail');
54 @x = $q->extract(3, 4); # unchanged
55 is_deeply(\@x, [], 'Too far');
58 $q = Thread::Queue->new(1..10);
62 my @x = $q->extract(-4, 2); # 1..6,9,10 left
63 is_deeply(\@x, [7,8], 'Neg index');
64 @x = $q->extract(-2, 4); # 1..6 left
65 is_deeply(\@x, [9,10], 'Lots from tail');
66 @x = $q->extract(-6, 2); # 3..6 left
67 is_deeply(\@x, [1,2], 'Max neg index');
68 @x = $q->extract(-10, 3); # unchanged
69 is_deeply(\@x, [], 'Too far');
70 @x = $q->extract(-6, 3); # 4..6 left
71 is_deeply(\@x, [3], 'Neg overlap');
72 @x = $q->extract(-5, 10); # empty
73 is_deeply(\@x, [4..6], 'Neg big overlap');