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|
use strict;
use warnings;
BEGIN {
use Config;
if (! $Config{'useithreads'}) {
print("1..0 # SKIP Perl not compiled with 'useithreads'\n");
exit(0);
}
if ($] < 5.010) {
print("1..0 # SKIP Needs Perl 5.10.0 or later\n");
exit(0);
}
}
use ExtUtils::testlib;
BEGIN {
$| = 1;
print("1..28\n"); ### Number of tests that will be run ###
};
use threads;
use threads::shared;
my $TEST;
BEGIN {
share($TEST);
$TEST = 1;
}
sub ok {
my ($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);
}
ok(1, 'Loaded');
### Start of Testing ###
{ package Jar;
my @jar :shared;
sub new
{
bless(&threads::shared::share({}), shift);
}
sub store
{
my ($self, $cookie) = @_;
push(@jar, $cookie);
return $jar[-1]; # Results in destruction of proxy object
}
sub peek
{
return $jar[-1];
}
sub fetch
{
pop(@jar);
}
}
{ package Cookie;
sub new
{
my $self = bless(&threads::shared::share({}), shift);
$self->{'type'} = shift;
return $self;
}
sub DESTROY
{
delete(shift->{'type'});
}
}
my $C1 = 'chocolate chip';
my $C2 = 'oatmeal raisin';
my $C3 = 'vanilla wafer';
my $cookie = Cookie->new($C1);
ok($cookie->{'type'} eq $C1, 'Have cookie');
my $jar = Jar->new();
$jar->store($cookie);
ok($cookie->{'type'} eq $C1, 'Still have cookie');
ok($jar->peek()->{'type'} eq $C1, 'Still have cookie');
ok($cookie->{'type'} eq $C1, 'Still have cookie');
threads->create(sub {
ok($cookie->{'type'} eq $C1, 'Have cookie in thread');
ok($jar->peek()->{'type'} eq $C1, 'Still have cookie in thread');
ok($cookie->{'type'} eq $C1, 'Still have cookie in thread');
$jar->store(Cookie->new($C2));
ok($jar->peek()->{'type'} eq $C2, 'Added cookie in thread');
})->join();
ok($cookie->{'type'} eq $C1, 'Still have original cookie after thread');
ok($jar->peek()->{'type'} eq $C2, 'Still have added cookie after thread');
$cookie = $jar->fetch();
ok($cookie->{'type'} eq $C2, 'Fetched cookie from jar');
ok($jar->peek()->{'type'} eq $C1, 'Cookie still in jar');
$cookie = $jar->fetch();
ok($cookie->{'type'} eq $C1, 'Fetched cookie from jar');
undef($cookie);
share($cookie);
$cookie = $jar->store(Cookie->new($C3));
ok($jar->peek()->{'type'} eq $C3, 'New cookie in jar');
ok($cookie->{'type'} eq $C3, 'Have cookie');
threads->create(sub {
ok($cookie->{'type'} eq $C3, 'Have cookie in thread');
$cookie = Cookie->new($C1);
ok($cookie->{'type'} eq $C1, 'Change cookie in thread');
ok($jar->peek()->{'type'} eq $C3, 'Still have cookie in jar');
})->join();
ok($cookie->{'type'} eq $C1, 'Have changed cookie after thread');
ok($jar->peek()->{'type'} eq $C3, 'Still have cookie in jar');
undef($cookie);
ok($jar->peek()->{'type'} eq $C3, 'Still have cookie in jar');
$cookie = $jar->fetch();
ok($cookie->{'type'} eq $C3, 'Fetched cookie from jar');
{ package Foo;
my $ID = 1;
threads::shared::share($ID);
sub new
{
# Anonymous scalar with an internal ID
my $obj = \do{ my $scalar = $ID++; };
threads::shared::share($obj); # Make it shared
return (bless($obj, 'Foo')); # Make it an object
}
}
my $obj :shared;
$obj = Foo->new();
ok($$obj == 1, "Main: Object ID $$obj");
threads->create( sub {
ok($$obj == 1, "Thread: Object ID $$obj");
$$obj = 10;
ok($$obj == 10, "Thread: Changed object ID $$obj");
$obj = Foo->new();
ok($$obj == 2, "Thread: New object ID $$obj");
} )->join();
ok($$obj == 2, "Main: New object ID $$obj # TODO - should be 2");
exit(0);
# EOF
|
