Lithium Docs

						public function testIncrement() {
		$config = array('default' => array(
			'adapter' => 'Memory', 'filters' => array()
		));
		Cache::config($config);
		$result = Cache::config();
		$expected = $config;
		$this->assertEqual($expected, $result);

		$result = Cache::increment('does_not_exist', 'inc');
		$this->assertFalse($result);

		$result = Cache::write('default', 'increment', 5, '+1 minute');
		$this->assertTrue($result);

		$result = Cache::increment('default', 'increment');
		$this->assertTrue($result);

		$result = Cache::read('default', 'increment');
		$this->assertEqual(6, $result);
	}