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;

sub ok {
    my ($id, $ok, $name) = @_;

    # 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);
}

BEGIN {
    $| = 1;
    print("1..16\n");   ### Number of tests that will be run ###
};

use threads;
use threads::shared;
ok(1, 1, 'Loaded');

### Start of Testing ###

my %hash;
share(%hash);
$hash{"foo"} = "bar";
ok(2,$hash{"foo"} eq "bar","Check hash get");
threads->create(sub { $hash{"bar"} = "thread1"})->join();
threads->create(sub { ok(3,$hash{"bar"} eq "thread1", "Check thread get and write")})->join();
{
    my $foo = delete($hash{"bar"});
    ok(4, $foo eq "thread1", "Check delete, want 'thread1' got '$foo'");
    $foo = delete($hash{"bar"});
    ok(5, !defined $foo, "Check delete on empty value");
}
ok(6, keys %hash == 1, "Check keys");
$hash{"1"} = 1;
$hash{"2"} = 2;
$hash{"3"} = 3;
ok(7, keys %hash == 4, "Check keys");
ok(8, exists($hash{"1"}), "Exist on existing key");
ok(9, !exists($hash{"4"}), "Exists on non existing key");
my %seen;
foreach my $key ( keys %hash) {
    $seen{$key}++;
}
ok(10, $seen{1} == 1, "Keys..");
ok(11, $seen{2} == 1, "Keys..");
ok(12, $seen{3} == 1, "Keys..");
ok(13, $seen{"foo"} == 1, "Keys..");

# bugid #24407: the stringification of the numeric 1 got allocated to the
# wrong thread memory pool, which crashes on Windows.
ok(14, exists $hash{1}, "Check numeric key");

threads->create(sub { %hash = () })->join();
ok(15, keys %hash == 0, "Check clear");

ok(16, is_shared(%hash), "Check for sharing");

exit(0);

# EOF