/**
* Compares two lengths, and returns 1 if greater, -1 if less and 0 if equal.
* @param HTMLPurifier_Length $l
* @return int
* @warning If both values are too large or small, this calculation will
* not work properly
*/
public function compareTo($l)
{
if ($l === false) {
return false;
}
if ($l->unit !== $this->unit) {
$converter = new HTMLPurifier_UnitConverter();
$l = $converter->convert($l, $this->unit);
if ($l === false) {
return false;
}
}
return $this->n - $l->n;
}
protected function assertSigFig($n, $sigfigs)
{
$converter = new HTMLPurifier_UnitConverter();
$result = $converter->getSigFigs($n);
$this->assertIdentical($result, $sigfigs);
}
