Jamm\Memory\Tests\TestMemoryObject::test_get_keys PHP Method

    public function test_get_keys()
    {
        $this->mem->del($this->mem->get_keys());
        $this->mem->save(__METHOD__ . ':1', 1);
        $this->mem->save(__METHOD__ . ':2', 1);
        $this->mem->save(__METHOD__ . ':3', 1);
        $arr = array(__METHOD__ . ':1', __METHOD__ . ':2', __METHOD__ . ':3');
        $call = $this->mem->get_keys();
        sort($call);
        sort($arr);
        if (is_array($call)) {
            $c = count($call);
        } else {
            $c = 0;
        }
        $this->assertEquals($call, $arr);
        $this->mem->del($call);
        $check = $this->mem->get_keys();
        $this->assertTrue(empty($check))->addCommentary('not all keys was deleted, Left: ' . count($check) . ' from ' . $c);
    }