Check that the min_depth options lets us ignore files in the starting directory.
function testOptionMinDepth() {
$files = file_scan_directory($this->path, '/^javascript-/', array(
'min_depth' => 0,
));
$this
->assertEqual(2, count($files), 'No minimum-depth gets files in current directory.');
$files = file_scan_directory($this->path, '/^javascript-/', array(
'min_depth' => 1,
));
$this
->assertTrue(empty($files), 'Minimum-depth of 1 successfully excludes files from current directory.');
}