public function testSetPrecision()
{
$eur = new Currency("EUR", 2);
$this->assertSame(2, $eur->getPrecision());
$eur->setPrecision(3);
$this->assertSame(3, $eur->getPrecision());
}
/**
* Sets the amount considering precision of the currency.
*
* @param numeric $amount
*/
protected function setAmount($amount)
{
if (!is_numeric($amount)) {
throw new InvalidArgumentException("Amount must be a numeric value");
}
$precision = $this->currency->getPrecision();
$amount = round($amount, $precision);
if (0 === $precision) {
$amount = (int) $amount;
}
$this->amount = $amount;
}
