public function testPurgeEmptySubdirsHasRightReturn()
{
// To test the return values, disable conversion of errors into exceptions
$warningEnabledOrig = PHPUnit_Framework_Error_Warning::$enabled;
PHPUnit_Framework_Error_Warning::$enabled = false;
$this->assertEquals(0, $this->stub->purgeEmptySubdirs(null));
mkdir(__DIR__ . "/testPurgeEmptySubdirs");
mkdir(__DIR__ . "/testPurgeEmptySubdirs/emptysub1");
mkdir(__DIR__ . "/testPurgeEmptySubdirs/emptysub2");
$this->assertEquals(3, $this->stub->purgeEmptySubdirs(__DIR__ . "/testPurgeEmptySubdirs"));
PHPUnit_Framework_Error_Warning::$enabled = $warningEnabledOrig;
}
