lithium\tests\cases\data\EntityTest::testIncrement PHP Method

    public function testIncrement()
    {
        $entity = new Entity(array('data' => array('counter' => 0)));
        $this->assertEqual(0, $entity->counter);
        $entity->increment('counter');
        $this->assertEqual(1, $entity->counter);
        $entity->decrement('counter', 5);
        $this->assertEqual(-4, $entity->counter);
        $this->assertNull($entity->increment);
        $entity->increment('foo');
        $this->assertEqual(1, $entity->foo);
        $this->assertFalse(isset($entity->bar));
        $entity->bar = 'blah';
        $entity->sync();
        $this->assertException("/^Field 'bar' cannot be incremented.\$/", function () use($entity) {
            $entity->increment('bar');
        });
    }