public function test_removeAccess()
{
$x = new Bitwise();
$pRead = $x->nextBit();
$pWrite = $x->nextBit();
$pExecute = $x->nextBit();
$pDelete = $x->nextBit();
$all = null;
$all = $x->addAccess($all, $pRead);
$all = $x->addAccess($all, $pWrite);
$all = $x->addAccess($all, $pExecute);
$all = $x->addAccess($all, $pDelete);
//make sure what we did is valid
$this->assertEquals($all, $pRead + $pWrite + $pExecute + $pDelete);
$noRead = $x->removeAccess($all, $pRead);
$this->assertFalse($x->canAccess($noRead, $pRead));
$this->assertTrue($x->canAccess($noRead, $pWrite));
$this->assertTrue($x->canAccess($noRead, $pExecute));
$this->assertTrue($x->canAccess($noRead, $pDelete));
$noReadOrWrite = $x->removeAccess($noRead, $pWrite);
$this->assertFalse($x->canAccess($noReadOrWrite, $pWrite));
$this->assertFalse($x->canAccess($noReadOrWrite, $pRead));
$this->assertTrue($x->canAccess($noReadOrWrite, $pExecute));
$this->assertTrue($x->canAccess($noReadOrWrite, $pDelete));
}
public static function canExecute($perm)
{
return Bitwise::canAccess(intval($perm), self::EXECUTE);
}
