use strict;
use warnings;
BEGIN {
use Config;
if (! $Config{'useithreads'}) {
print("1..0 # SKIP Perl not compiled with 'useithreads'\n");
exit(0);
}
}
use ExtUtils::testlib;
use threads;
BEGIN {
if (! eval 'use threads::shared; 1') {
print("1..0 # SKIP threads::shared not available\n");
exit(0);
}
$| = 1;
print("1..31\n"); ### Number of tests that will be run ###
};
my $TEST;
BEGIN {
share($TEST);
$TEST = 1;
}
ok(1, 'Loaded');
sub ok {
my ($ok, $name) = @_;
lock($TEST);
my $id = $TEST++;
# You have to do it this way or VMS will get confused.
if ($ok) {
print("ok $id - $name\n");
} else {
print("not ok $id - $name\n");
printf("# Failed test at line %d\n", (caller)[2]);
}
return ($ok);
}
### Start of Testing ###
sub foo
{
my $context = shift;
my $wantarray = wantarray();
if ($wantarray) {
ok($context eq 'array', 'Array/list context');
return ('array');
} elsif (defined($wantarray)) {
ok($context eq 'scalar', 'Scalar context');
return 'scalar';
} else {
ok($context eq 'void', 'Void context');
return;
}
}
my ($thr) = threads->create('foo', 'array');
my ($res) = $thr->join();
ok($res eq 'array', 'Implicit array context');
$thr = threads->create('foo', 'scalar');
$res = $thr->join();
ok($res eq 'scalar', 'Implicit scalar context');
threads->create('foo', 'void');
($thr) = threads->list();
$res = $thr->join();
ok(! defined($res), 'Implicit void context');
$thr = threads->create({'context' => 'array'}, 'foo', 'array');
($res) = $thr->join();
ok($res eq 'array', 'Explicit array context');
($thr) = threads->create({'scalar' => 'scalar'}, 'foo', 'scalar');
$res = $thr->join();
ok($res eq 'scalar', 'Explicit scalar context');
$thr = threads->create({'void' => 1}, 'foo', 'void');
$res = $thr->join();
ok(! defined($res), 'Explicit void context');
sub bar
{
my $context = shift;
my $wantarray = threads->wantarray();
if ($wantarray) {
ok($context eq 'list', 'Array/list context');
return ('list');
} elsif (defined($wantarray)) {
ok($context eq 'scalar', 'Scalar context');
return 'scalar';
} else {
ok($context eq 'void', 'Void context');
return;
}
}
($thr) = threads->create('bar', 'list');
my $ctx = $thr->wantarray();
ok($ctx, 'Implicit array context');
($res) = $thr->join();
ok($res eq 'list', 'Implicit array context');
$thr = threads->create('bar', 'scalar');
$ctx = $thr->wantarray();
ok(defined($ctx) && !$ctx, 'Implicit scalar context');
$res = $thr->join();
ok($res eq 'scalar', 'Implicit scalar context');
threads->create('bar', 'void');
($thr) = threads->list();
$ctx = $thr->wantarray();
ok(! defined($ctx), 'Implicit void context');
$res = $thr->join();
ok(! defined($res), 'Implicit void context');
$thr = threads->create({'context' => 'list'}, 'bar', 'list');
$ctx = $thr->wantarray();
ok($ctx, 'Explicit array context');
($res) = $thr->join();
ok($res eq 'list', 'Explicit array context');
($thr) = threads->create({'scalar' => 'scalar'}, 'bar', 'scalar');
$ctx = $thr->wantarray();
ok(defined($ctx) && !$ctx, 'Explicit scalar context');
$res = $thr->join();
ok($res eq 'scalar', 'Explicit scalar context');
$thr = threads->create({'void' => 1}, 'bar', 'void');
$ctx = $thr->wantarray();
ok(! defined($ctx), 'Explicit void context');
$res = $thr->join();
ok(! defined($res), 'Explicit void context');
exit(0);
# EOF