lithium\tests\cases\storage\cache\adapter\MemoryTest::testIncrement PHP Method

    public function testIncrement()
    {
        $key = 'incremental';
        $data = 5;
        $keys = array($key => $data);
        $expiry = null;
        $result = $this->Memory->write($keys, $expiry);
        $this->assertTrue($result);
        $this->assertEqual($this->Memory->cache, $result);
        $result = $this->Memory->increment($key);
        $this->assertEqual($data + 1, $result);
        $result = $this->Memory->increment($key, 2);
        $this->assertEqual($data + 3, $result);
    }