use Set::Scalar;
print "1..3\n";
{
# Malcolm Purvis <malcolm.purvis@alcatel.com.au>
my $s1 = Set::Scalar->new("A");
my $s1_again = Set::Scalar->new("A");
my $s2 = $s1->union($s1_again);
my $s3 = Set::Scalar->new("C");
my $s4 = $s2->difference($s3);
print "not " unless $s4 eq "(A)";
print "ok 1\n";
}
{
# Malcolm Purvis <malcolm.purvis@alcatel.com.au>
my $s1 = Set::Scalar->new(("A", "B"));
my $s1_again = Set::Scalar->new(("A", "B"));
my $s2 = $s1->union($s1_again);
my $s3 = Set::Scalar->new("C");
my $s4 = $s2->difference($s3);
print "not " unless $s4 eq "(A B)";
print "ok 2\n";
}
{
# Josh@allDucky.com
use Set::Scalar;
my $x = new Set::Scalar( [] );
my @m = $x->members;
print "not " unless $m[0] =~ /^ARRAY\(0x[0-9a-fA-F]+\)$/;
print "ok 3\n";
}