public function testWorldPermissionsAreCalculatedCorrectly()
{
$file = new File('file');
$ph = new PermissionHelper();
$ph->setNode($file);
$file->chmod(00);
$this->assertFalse($ph->worldCanRead(), 'world can\'t read with 0000');
$this->assertFalse($ph->worldCanWrite(), 'world can\'t write with 0000');
$file->chmod(01);
$this->assertFalse($ph->worldCanRead(), 'world can\'t read with 0001');
$this->assertFalse($ph->worldCanWrite(), 'world can\'t write with 0001');
$file->chmod(02);
$this->assertFalse($ph->worldCanRead(), 'world can\'t read with 0002');
$this->assertTrue($ph->worldCanWrite(), 'world can write with 0002');
$file->chmod(04);
$this->assertTrue($ph->worldCanRead(), 'world can read with 0004');
$this->assertFalse($ph->worldCanWrite(), 'world can\'t write with 0004');
$file->chmod(05);
$this->assertTrue($ph->worldCanRead(), 'world can read with 0005');
$this->assertFalse($ph->worldCanWrite(), 'world can\'t write with 0005');
$file->chmod(06);
$this->assertTrue($ph->worldCanRead(), 'world can read with 0006');
$this->assertTrue($ph->worldCanWrite(), 'world can read with 0006');
}
