public function testMinMaxAvg()
{
$content = db_get('content', 'content_type=page&min=id');
$content_max = db_get('content', 'content_type=page&max=id');
$content_avg = db_get('content', 'content_type=page&avg=id');
$this->assertFalse(is_int($content));
$content = intval($content);
$this->assertFalse(is_int($content_max));
$content_max = intval($content_max);
$this->assertFalse(is_int($content_avg));
$content_avg = intval($content_avg);
$this->assertTrue($content < $content_max, "Content: " . $content . ", Content_max: " . $content_max);
$this->assertTrue($content_avg < $content_max, "Content_avg: " . $content_avg . ", Content_max: " . $content_max);
$this->assertTrue($content <= $content_avg, "Content: " . $content . ", Content_avg: " . $content_avg);
}