function testDirpath()
{
$this->assertEqual(lmbFs::dirpath('/wow/test.txt'), lmbFs::normalizePath('/wow'));
$this->assertEqual(lmbFs::dirpath('wow/hey/test.txt'), lmbFs::normalizePath('wow/hey'));
$this->assertEqual(lmbFs::dirpath('test.txt'), 'test.txt');
$this->assertEqual(lmbFs::dirpath('/'), '');
}