public function testDecrementNonIntegerValue()
{
$time = strtotime('+1 minute') - time();
$key = 'non_integer';
$value = 'no';
$result = xcache_set($key, $value, $time);
$this->assertTrue($result);
$this->XCache->decrement($key);
$result = xcache_get($key);
$this->assertEqual(-1, $result);
$this->XCache->decrement($key);
$result = xcache_get($key);
$this->assertEqual(-2, $result);
$result = xcache_unset($key);
$this->assertTrue($result);
}