public function testIsType()
{
$m = new ae_MediaModel();
$m->setType('image/png');
$this->assertTrue($m->isImage());
$this->assertFalse($m->isText());
$this->assertFalse($m->isVideo());
$m->setType('text/plain');
$this->assertFalse($m->isImage());
$this->assertTrue($m->isText());
$this->assertFalse($m->isVideo());
$m->setType('video/ogg');
$this->assertFalse($m->isImage());
$this->assertFalse($m->isText());
$this->assertTrue($m->isVideo());
$m->setType('unknown');
$this->assertFalse($m->isImage());
$this->assertFalse($m->isText());
$this->assertFalse($m->isVideo());
$m->setType(FALSE);
$this->assertFalse($m->isImage());
$this->assertFalse($m->isText());
$this->assertFalse($m->isVideo());
$m->setType(TRUE);
$this->assertFalse($m->isImage());
$this->assertFalse($m->isText());
$this->assertFalse($m->isVideo());
$m->setType(NULL);
$this->assertFalse($m->isImage());
$this->assertFalse($m->isText());
$this->assertFalse($m->isVideo());
}