/**
* Set test method.
*
* @param object ISet $s1 A set to test.
* @param object ISet $s2 A set to test.
* @param object ISet $s3 A set to test.
*/
public static function test(ISet $s1, ISet $s2, ISet $s3)
{
printf("AbstractSet test program.\n");
for ($i = 0; $i < 4; ++$i) {
$s1->insert(box($i));
}
for ($i = 2; $i < 6; ++$i) {
$s2->insert(box($i));
}
$s3->insert(box(0));
$s3->insert(box(2));
printf("%s\n", str($s1));
printf("%s\n", str($s2));
printf("%s\n", str($s3));
printf("%s\n", str($s1->union($s2)));
# union
printf("%s\n", str($s1->intersection($s3)));
# intersection
printf("%s\n", str($s1->difference($s3)));
# difference
printf("Using foreach\n");
foreach ($s3 as $obj) {
printf("%s\n", str($obj));
}
printf("Using reduce\n");
$s3->reduce(create_function('$sum,$obj', 'printf("%s\\n", str($obj));'), '');
}
