public function testSimple()
{
// SI
$vol = $this->val('1 m3');
isBatch(array(array('1 m3', $vol->dump(false)), array('1000000 ml', $vol->convert('ml')->dump(false)), array('10000 cm3', $vol->convert('cm3')->dump(false)), array('1000 lit', $vol->convert('lit')->dump(false))));
// other
isBatch(array(array('0.946352946 lit', $this->val('1qt')->convert('lit')->dump(false)), array('0.56826125 lit', $this->val('1pt')->convert('lit')->dump(false)), array('3.785411784 lit', $this->val('1gal')->convert('lit')->dump(false)), array('119.240471196 lit', $this->val('1bbl')->convert('lit')->dump(false))));
}